Author Topic: Old Philips Fluke 97 / 96B (maybe others?)  (Read 82969 times)

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Offline joeqsmithTopic starter

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Old Philips Fluke 97 / 96B (maybe others?)
« on: November 04, 2016, 03:14:35 am »
I have needed a portable scope from time to time.  Even 1MHz would have been fine.   Picked up a couple of these locally complete with all the manuals and probes.   Two different revs, fairly different designs.   

« Last Edit: November 10, 2016, 07:39:44 pm by joeqsmith »
 

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #1 on: November 04, 2016, 04:03:54 am »
The first one is back together.  Needed a few parts and some cleaning.  Other unit looks like it took some damage from a jolt to the front end.  Knew it when I bought it.  So far one of the clamp diodes was blown along with a cap.  Op-amp and one of the 74HC switches looks bad.  Both ELs are a little weak.   

Here's a 60MHz CW wave and a +1 tone wheel for an engine being simulated on the arb.  Not bad for the age of it and how it was used.

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #2 on: November 04, 2016, 04:12:28 am »
With 1MHz 1.40 volt applied.   DSO shows 14.4 but not using the 10X probe. 
 

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #3 on: November 04, 2016, 01:00:00 pm »
Comparing with the BM8869s.  First picture showing AC+DC / AC vs AC / DC.    So the Fluke would be 4.806 AC+DC. It may have the math function for this.  Have not spent a lot of time with the user manual. 

Next picture showing my bench supply set to 50 volts.   

Last showing some of readout functions.   Not too bad.   




 



Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #4 on: November 05, 2016, 01:00:44 am »
The 97 has a built-in signal generator of sorts.   The signal comes out on the two banana jacks.   Shown with it set to ramp along with the highly modified UNI-T UT181A.  The 181 can only log at 1Hz max. 

I ordered up some batteries for the 97 and have some parts ordered from Digikey to attempt to repair the second scope.  Basically all that is left now is the signal generator is not working.  The problem with it being so old is TI op-amp is no longer made.   So more substituting.   

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #5 on: November 09, 2016, 05:38:37 am »
The 97 came with the 80T-150U temperature probe.    Here is the probe attached to the Brymen compared with my Mastech and Fluke K type sensor.  It needed to be repaired but seems to be working fine now. 

Offline Scottjd

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Re: Old Philips Fluke 97
« Reply #6 on: November 09, 2016, 11:23:26 am »
Well,since we both got an old fluke scopemeter about the same time, I figured I would take your suggestion and add to your post. Mine is a 96B series II, 60Mhz scope with multimeter.

I tore mine down tonight. Found a few problems but was easy fixes. Nothing with the  components.

Three out of the four posts that the main board screwed into were broken with the metal nut in case in the plastic. I little glue and all good, maybe dropped one to many times. The old battery leaked, some distilled vinegar and a little scraping and all good.
The power transformer was being held together with one screw and a corner broken off. Not much to it inside. On 26V cap at 2200uf, 4 diodes for the bridge rectifier and the transformer. So some epoxy and it's now tying to set.
The CR2032 battery is dead, I didn't notice any issues when I was playing with it. Maybe it hold the calibration data? But I haven't calibrated it yet, so maybe that's why I didn't notice. I need to buy one, I don't have any good ones currently. So I'll replace it before doing the calibration.
Still need to find the service manual, not sure if the cal is done with software like the auto probe cal feature, or if it has to do with the 8 trim pots on the one board.

I'll add the tear down photos in a later post.
Nothing special, just some cell phone pictures.

It took me a little bit to figure out how to post HiDef photos so every one can enjoy the fine little chips and the writing on the chips. I found out the shared URLs for photobucket and flickr both change the image posted. Now that I have figured it out I will have tear down photos up soon.

For now enjoy the image of the full unit a and everything it came with.




« Last Edit: November 10, 2016, 04:57:37 am by Scottjd »
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #7 on: November 09, 2016, 12:42:07 pm »
Hey Scott, that was great deal you ended up with!  The two 97's I have look a fair amount different in the main control board.  The actual I/O (where the problem is) is one revision apart.  Visibly I did not see the difference and they appear to interchange.  There is no coin battery on mine.   

The charge packs are different as well.  The one in the video looks similar you yours but marked Philips.  My second one has a separate line cord. 

The second 97 is like yours, in there is no mention of Philips on the rear.  I suspect it was made after they acquired Philips.  It's much newer with the later rev I/O.  The control board does not use the separate keypad.  No jumper wires (there was one on the older unit).  It is also marked "FLUKE 97/AUTO SCOPEMETER" rather than "FLUKE 97 50MHZ SCOPEMETER".

I'm interested in seeing how yours differs.
 
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Offline Scottjd

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Re: Old Philips Fluke 97
« Reply #8 on: November 10, 2016, 04:14:18 am »
Hey Scott, that was great deal you ended up with!  The two 97's I have look a fair amount different in the main control board.  The actual I/O (where the problem is) is one revision apart.  Visibly I did not see the difference and they appear to interchange.  There is no coin battery on mine.   

The charge packs are different as well.  The one in the video looks similar you yours but marked Philips.  My second one has a separate line cord. 

The second 97 is like yours, in there is no mention of Philips on the rear.  I suspect it was made after they acquired Philips.  It's much newer with the later rev I/O.  The control board does not use the separate keypad.  No jumper wires (there was one on the older unit).  It is also marked "FLUKE 97/AUTO SCOPEMETER" rather than "FLUKE 97 50MHZ SCOPEMETER".

I'm interested in seeing how yours differs.

Im working on posting them now. I also updated my last post with some basic photos.
Mine is also not marked with philips, and its a 96B series II that is a 60Mhz one also marked as a scopemeter.
So even if mine has a lower number then your 97, it seems to be made after yours. Maybe the series II is the updated 96B that was refreshed after your 97's? But I have not looking it up to find out the release date. I do recall one chip had a date code of 1986, but I didnt check all the dates. Mine also had a lot more shielding plates.

Im working on posting the tear down photos now.
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Offline Scottjd

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Re: Old Philips Fluke 96B Series II Tear Down
« Reply #9 on: November 10, 2016, 04:55:37 am »
As promised, these are the tear down photos in the highest resolution I could post them. You can always save the image locally to zoom in closer. They were not great photos taken with my DSLR and on a tri-pod or anything like that. It was a late night, just some extra lighting and my cell phone but you can still see a lot of the detail and components.

You can even see the extra pads on the chips and how it the components are laid out since it was wave soldered. I think this is the second thing I have tore down that is waved soldered. I probably took apart more waved solder things when I was younger and over the years, but I didn't really know what I was looking at.  :-//

I tried my best to post them in order to the tear down, but the truth is I took the pictures as I was putting it back together. So I hope they are in the correct order.

I am happy to say it still works after tearing it down and putting it back together. This means my friend that gave it to me wont be mad also.  :phew:

To see the full set on Flicker"
https://flic.kr/s/aHskNgtFM3








































































« Last Edit: November 10, 2016, 05:04:24 am by Scottjd »
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #10 on: November 10, 2016, 05:41:40 am »
Very nice!   Yours appears much newer than what I have.  Looks like it has some help menus built in and the display looks much better than mine. 

I received the parts for the second scope today.  As luck would have it the wall supply died while I was trying to debug it.  Tore that apart and it looks like the connector that plugs into the scope opened up the center pin.   |O    The second supply had the same problem that someone had "fixed".   I need to order up some new connectors.   

Changed out all the protection diodes and with the right ones and it appears there is a fractured joint or trace.  Picture of my scope displaying the signal generator's output.  It seems to be working solid now.  All the waveforms work.  Problem is, I have not found the problem!!    :-DD   

Making some progress. 

Offline Scottjd

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Re: Old Philips Fluke 97
« Reply #11 on: November 10, 2016, 06:00:49 am »
Well finding the plug to fit these may be slightly chanlanging because of how deep they seat into the jack.
I'm sure you will find it, or make one.

I still need to clean mine. You mentioned a signal generator on yours, I guess I need to read the manual to see if mine has this also. I know It will out out a standard square wave for the internal software probe calibration, but haven't done this yet.
I think I'm going to go to the service manual first and run all the standard service tests then see if anything need to be changed or fixed. I didn't take it under the microscope, I guess I should have done this when it was apart considering the drops it must have taken for the posts to break.
Well it's not hard to tear down. I may do this again and inspect the joints for any cracks. I forgot the older stuff like this might get cracks in the solder joints over time. But it was also wave soldered, so they are also glued on, maybe that helps preventing so,deer joints from cracking.

I'm assuming yours was also wave soldered?

Sounds like the repairs in the second one are coming along good. It might be done soon after you figure out that intermittent issue.
Scott
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Offline David Hess

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Re: Old Philips Fluke 97
« Reply #12 on: November 10, 2016, 06:28:19 am »
I used a Philips/Fluke scopemeter for many years at work for general design and development although except for battery powered portable operation, in retrospect I could have made better use of a Tektronix 2232 or similar.
 

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #13 on: November 10, 2016, 06:32:31 am »
I don't know how the board was processed. I would guess a wave or selective solder on the I/O board with as many TH parts and how the solder and flux looks.  I did not pay attention to the controller board.  They may have done some sort of reflow and selective solder on it.   

Your I/O board looks very similar to mine.  Marked up your picture.  The signal from the ASIC is fine coming onto the board.   Looks like the first switch array is fine along with the FET.   The output switch, filter and buffer are all fine.  Diodes were shorted.   

It would be interesting to compare the power draw between them. 

Powered up defaults, 17.89V @212mA
With EL active, 304mA
Fastest sample rate with EL active, 326mA

Offline noidea

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Re: Old Philips Fluke 97
« Reply #14 on: November 10, 2016, 06:59:12 am »
Well finding the plug to fit these may be slightly chanlanging because of how deep they seat into the jack.
I'm sure you will find it, or make one.

If its the same connector as the later scopemeters with the extended barrel and O-ring at the end then check this post for details

https://www.eevblog.com/forum/repair/fluke-scopemeter-12v-auxiliar-power-input/
 
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Offline Scottjd

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Re: Old Philips Fluke 97
« Reply #15 on: November 10, 2016, 03:18:51 pm »
I'll check the draw on mine next time I'm up in the lab.

I did find some documentation on mine today, yes you were correct. The 97 was released in 1991, and the 96B along with three others was released in 1997.
The numbering of flukes items messes with me. You would figure the higher number is the newer item. I ran into this when I was looking to buy my first fluke also and ended up with the 289. I guess that's what the "B" or "Series II" is for.

I found the datasheet. Wow, a whole 30K of memory. It did enlighten me to real time sampling rate vs equivalent sample rate and random repetitive wave form capturing. Looking at this datasheet I was wondering how a mobile scope from 1997 claimed to have a higher sample rate of 2.5GS/s when my digital bench scope from Rigol DS1054Z only states 1GS/s. Now I know the differences.

All I need to do now is find that 3.5 floppy disk it originally came with so I can use the optical cable from my 289 with this one. Oh wait, I guess I would also need to find a floppy drive. I think I still have windows 3.1 on floppy disks, lol.
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Offline Scottjd

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Re: Old Philips Fluke 97
« Reply #16 on: November 10, 2016, 03:46:38 pm »
Well finding the plug to fit these may be slightly chanlanging because of how deep they seat into the jack.
I'm sure you will find it, or make one.

If its the same connector as the later scopemeters with the extended barrel and O-ring at the end then check this post for details

https://www.eevblog.com/forum/repair/fluke-scopemeter-12v-auxiliar-power-input/

Thanks, looks like some usefully information in this thread. I'll have to browse though it
This opens my options, I have plenty of 12V switch power supplies over 300mA output, most are 1A and higher. Still I'm sure the charging is done from inside the scopemeter so even with a better power supply this won't change the charge times.

I did find that the unit will run off any voltage from 12V to 20V minimum of 12W output. And the original battery took 21 hours to charge for 4 hours of use, the original battery was also rated at 2000mAh capacity. The replacement battery mine came with is only a couple months old and rated for 4800mAh, so at the charge rate the meter give to the battery it woild take 2 days to fully charge my nicad pack. With the whole nicad battery memory issue it's better to fully charge and fully drain so I will probably use my RC hobby charger to charge it instead and 3D print some sort of box with battery contacts to hold the battery for my hobby charger.
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97
« Reply #18 on: November 10, 2016, 08:02:49 pm »
I did find that the unit will run off any voltage from 12V to 20V minimum of 12W output. And the original battery took 21 hours to charge for 4 hours of use, the original battery was also rated at 2000mAh capacity. The replacement battery mine came with is only a couple months old and rated for 4800mAh, so at the charge rate the meter give to the battery it woild take 2 days to fully charge my nicad pack. With the whole nicad battery memory issue it's better to fully charge and fully drain so I will probably use my RC hobby charger to charge it instead and 3D print some sort of box with battery contacts to hold the battery for my hobby charger.

Looks like I got the same pack of NiMH.  Was expecting NiCad.  I had picked up some standard C size 5000mAh NiMH as well. If it ran 4 hours, that would be plenty for what I plan to do with it. 

Also shown are the two different supplies.   I ended up snipping the ends off both and just re-soldering them.  When I looked at the one that had been repaired, it was hanging on by a couple of strands.   Used a few layers of heat shrink to stabilize it.  The T&B has a hot glue and once it cools, it's becomes stiff.   You can get an idea how thick it is from the picture.  Should hold up.

Offline Scottjd

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Re: Old Philips Fluke 97
« Reply #19 on: November 10, 2016, 09:47:41 pm »
My pack is the same pack as yours, I mistaken thought it was a NiCd pack because all the manual mention NiCd. But I just checked, it's identacle to your pack, model number and all.

As far as current draw it looks like we use different displays. Mine always has a backlights on it. The only thing I can adjust is the level of backlighting. It has three levels, it turns on at full since I am not able to save my setting until I put a cr2032 cell inside it.
At full with your listed voltage of 17.88 it draws 208mA
With the light st it's lower it draws 192mA
Even with recording the wave form and avaeraging turned up all the way to something like 256 it never went over 208mA
The same goes for reading a 1Khz test signal on my bench scope with both channels at the same time.
(Sorry, I never got around to buying a signal generator)
It also seems to have a parasitic draw around 8mA without the battery in it. I took the power supply and hooked it onto the battery terminals to see this.

Scott

« Last Edit: November 10, 2016, 09:49:55 pm by Scottjd »
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Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #20 on: November 11, 2016, 02:37:50 am »
Ok, so it turns out no calibration is not needed. It was part user error and learning the scope interface.
I just went though multiple tests and it did good.
Not the best on reading mV, but for a meter built in 1997 it's about what I expected.
All voltage AC/DC passed, multiple military grade resistor at 0.01% accuracy passed.

It was also showing a message that it was on power when it was on battery when I changed the brightness of the LCD to high. A quick default reset seemed to correc this with holding down the F4 and turning on the power. You should hear multiple beeps if this works. I decided to do this since it had multiple owners and several setting were changed over time.

All I had for wave forms was a cheap square wave signal generator besides the test frequency on my Rigol. It also tests PWM, not a bad little unit for $20 and a quick way to test components.
I know I need to get an  arbitrary waveform generator, I just never bought one. And for now it will have to wait, or maybe I will end up selling something to get one?
If anyone has a broken HP i would interested in buying it for doing a repair.

I took some pictures and then decided to shoot a fast last minute video. Not my usual video quality but like I said, it was last minute and not a planned video. So real fast basic editing, nothing fancy so l,ease don't judge.

Scott

https://youtu.be/2LsCQmjvCh0
« Last Edit: November 11, 2016, 03:01:04 am by Scottjd »
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #21 on: November 11, 2016, 04:02:25 am »
Watched your video.  Looks really nice.  I really like the display.   

Looks like the problem on the second one may have been where the ribbon connects into the I/O board.  Shown with it looping back.  Sorry about the glare.  You can tell this thing was no bench queen.  It was used.  Some chemical spills the etched the plastic and some pretty deep scratches to the lens. 

I measured the current on the other unit and got the same results, about 320mA worst case.   Worse, they both draw about 32mA when turned off!

Offline mos6502

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #22 on: November 11, 2016, 04:37:14 am »
Wow, the display on the B is really great for such an old piece of equipment. Leaps and bounds better than the non-B version.

I'm looking into getting some kind of portable scope myself. I don't know if a scopemeter is the way to go, though. For the price of a used old scopemeter, you can get a PicoScope, a Windows tablet and a roll of duct tape ...
for(;;);
 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #23 on: November 11, 2016, 04:50:22 am »
Nice to see you figured it out. That cable on mine was pinched a little hard also. That was before I discovered that three posts were broken, it could explain the pinch. I thought about replacing my cable since it just looks like the weak spot now.
I don't mind the screen at all, I like it a little better then the one the 289. The graphs on the 289 are simpler graphs. I'm also surprised how accurate it was cincidering the age and surface mount resistors. Im thinking either it was calibrated at some time, or wasn't used much so it never drifted. It was better then some of the reading I had from the 289 on the lower side around 5 Volts. Still both are within claimed specs.

Sounds like they did get better over 7 year for power consumption with serries 2. Well that and chip manufactures were focusing more on power consumption with the start of the mobile revolution.
The good news is the batteries we have are twice the original capacity.
The bad news is the standby draw, I guess it's the battery charging part waiting to see the battery? I want to test my 289 now, but I also run it with eneloops so it doesn't really matter. Fluke told me it could be used with rechargeable, but it doesn't have a soft option to tell the 289 I'm using rechargeables so the battery guage isn't accurate and it cuts me off when I still have plenty of power in the cells. Sometimes it doesn't matter is you call the manufacturer direct, you still don't get the correct answer.

I did notice when I was function checking it the battery still drained even when plugged in and in use. I checked the battery before and it was at 5.2v, after it was at 5.11v. So like a smart phone streaming music and screen on full bright while running GPS maps for directions. Wait, the smart phone can be fixed by using a 1A charger and not the stock USB port built into the car at 500mA.

I also noticed the side with the charger was warm, and I didn't have the rubber housing on it.
From what I'm reading the trickle charge with the fluke could end up being bad for a NIMH battery, especialy since it's main charge rate is so low. The NiCd charger with a slow charge rate and trickle won't know whe to stop trying to charge a NIMH pack. Maybe that's why the previous owner had a pack leak when charging.
I found a 2800mA Ni-CD pack for $15, I think I would rather use than and not have to worry about it when it's plugged in. It will also take less time to charge, and 4 hours run time is good enough for me. I'll use the other pack for something else.

Hmm, I wonder if my infrared to USB cable will work with the 96B serial communication port?

What do you plan to do with the second one now that you have both up and running?
How good does the single generator work on your models? I didn't even know they made one with a signal gen, kind of nice.

Scott
« Last Edit: November 11, 2016, 05:40:21 am by Scottjd »
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Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #24 on: November 11, 2016, 04:54:03 am »
Wow, the display on the B is really great for such an old piece of equipment. Leaps and bounds better than the non-B version.

I'm looking into getting some kind of portable scope myself. I don't know if a scopemeter is the way to go, though. For the price of a used old scopemeter, you can get a PicoScope, a Windows tablet and a roll of duct tape ...

When it was left for me I didn't think I would care for it or like it. But I have to say I've been impressed considering you can grab one in eBay for $50
(Removing battery comments)

Scott
« Last Edit: November 11, 2016, 05:34:32 am by Scottjd »
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Offline mos6502

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #25 on: November 11, 2016, 05:38:10 am »
For $50, I'll take four ...

The ones I've looked at were way beyond that. I'll keep an eye out though.
for(;;);
 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #26 on: November 11, 2016, 05:43:48 am »
For $50, I'll take four ...

The ones I've looked at were way beyond that. I'll keep an eye out though.

LolL, maybe the one I saw was for part only? I never did click on the full description. FYI, I've changed my comments about the battery pack also. I think the reason the last person who owned mine had a pack leak was because the charger in the 96B is so low powered and then does a trickle charge. The problem from what I'm reading a Ni-CD charger st a slow rate with trickle won't know when to stop giving a NIMH battery more charge. So it will overcharge the pack mine came with.
Scott
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #27 on: November 11, 2016, 05:47:15 am »
$50 on eBay, wow!  I watched a 97 go the other day for $180.  No accessories.  I was looking at the temperature probe and people think that stupid thing is gold.   :-DD 

The signal generator in the 97 is pretty much there just to cal the probes.  I am not sure what else you would use it for as it can't do much.   The slow ramp may be good for simulating sensors?   No idea what the sinewave was for.   

My plan was to use them in the garage.  As old as they are, I figure it will die at some point and I have a spare. 

I bought a NiMH charger with the C cells.  My go that direction and just plug them in when I need to use the scope.   

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #28 on: November 11, 2016, 06:30:20 am »
On the newer 97, they dropped that keypad and integrated it into the PCB.   Wonder why Philips didn't do this from the start.

All back together now.   Here both 97s running with a loopback cable.  Hard to believe I scrubbed these in the sink. 

Does the 96 have FFT?  What about AC+DC? What about Power measurements?   Math in the 97 is very limited. 

Offline mos6502

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #29 on: November 11, 2016, 07:48:22 am »
Yeah, Fluke has a weird feature policy with those scope meters. E.g. the 123 doesn't have cursors. They want you to spend extra money and upgrade to the 124 to get cursors.


« Last Edit: November 11, 2016, 07:50:01 am by mos6502 »
for(;;);
 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #30 on: November 11, 2016, 08:49:07 am »
On the newer 97, they dropped that keypad and integrated it into the PCB.   Wonder why Philips didn't do this from the start.

All back together now.   Here both 97s running with a loopback cable.  Hard to believe I scrubbed these in the sink. 

Does the 96 have FFT?  What about AC+DC? What about Power measurements?   Math in the 97 is very limited.

Your cable does seem a lot shorter then mine. As for math, yes it has AC+DC, I have not seen FFT as an option yet, I think I've gone over the whole menu so I don't think it has it. Also it was marketed to the auto industry and they don't have much need for the FFT feature.

The manual has instructions for add, subtract, multiply, invert, intergrate, and filter, but in this section the manual has the 92B and 96B crossed off. I guess becuase the manual is for the 99B and 105B also.
I know the 99B and 105B does 5GS/s andnhas extra memory for recording and saving wave forms also.

As for power I can measure the current with a clamp as expected, see it as numerical or a wave form. But if I want to measure power with math function ii need the 99B or 105B again, not the 96B.

I wonder if I change out the memory flash chips, if I could flash the new firmware to include the math function. It would probably be easier to buy a broken 99 or 105 and change the flash chips. Their is only two of them from Intel. It would give me the software feature in the firmware, but not sure if it's running any other parts that might be different also. I guess the one problem with buying a broken unit is if someone hooked up the 12V programming voltage backwards then it would have fried that flash chip. Somit would be a gamble.

I'm thinking about buying some C cell rechargeables also, I think the one Ali-Ion charger I have already charges NiMh and Ni-cad but need to confirm this.
If it does then maybe I'll just break down the pack it came with.

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #31 on: November 11, 2016, 10:49:08 am »
The old 90 series ScopeMeters have some surprising features in comparison with the later 120 and 190 series. For example it can display up to 5 simultaneous measurements for a channel. The much newer 120 series can show only 2 simultaneous measurements per channel (primary + secondary or primary + cursor) and the much more expensive 190/190B/190C series is actually even worse: It can display only 2 measurements in total (two for one channel, one for each channel or one + cursor). The latter has been improved in the newest 190 Series II, though. The 120 series do not have any math capabilities although the 125 can do power measurements.
« Last Edit: December 08, 2016, 05:56:26 am by mahi »
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #32 on: November 11, 2016, 12:49:13 pm »
Your cable does seem a lot shorter then mine. As for math, yes it has AC+DC, I have not seen FFT as an option yet, I think I've gone over the whole menu so I don't think it has it. Also it was marketed to the auto industry and they don't have much need for the FFT feature.

As for power I can measure the current with a clamp as expected, see it as numerical or a wave form. But if I want to measure power with math function ii need the 99B or 105B again, not the 96B.

I wonder if I change out the memory flash chips, if I could flash the new firmware to include the math function. It would probably be easier to buy a broken 99 or 105 and change the flash chips. Their is only two of them from Intel. It would give me the software feature in the firmware, but not sure if it's running any other parts that might be different also. I guess the one problem with buying a broken unit is if someone hooked up the 12V programming voltage backwards then it would have fried that flash chip. Somit would be a gamble.

I'm thinking about buying some C cell rechargeables also, I think the one Ali-Ion charger I have already charges NiMh and Ni-cad but need to confirm this.
If it does then maybe I'll just break down the pack it came with.

The cable is around 2".

I figured with yours being newer they would have the AC+DC.  That's nice! When I looked at the service manual, seemed the controller they used could have handled it.  Looks like a masked part.

There was a note about measuring power with the 97.  I think they were just talking about the multiply.  I was thinking with the newer ones they may have added enough math to handle at least 60Hz sort of signals.  Not that it would ever make a good power analyzer.

Strange you don't feel the automotive group would have much need for an FFT.   That one feature alone would be a great diagnostic tool to detect all sorts of problems.  At the tech level, it may need to be wrapped into some fancy software to make it easy for them to troubleshoot.  I agree that most techs would not know what it is, but they may have equipment that uses it.   

Buying eBay and used in general always has some risk.  On the plus side, most people who bought these would never touch the 12V programming pins.  They may drop them, throw wrenches at them in anger or spray them with break cleaner but not try can align them.   :-DD   I plan to just use the thing.   

I was thinking to cut my pack apart as well.  I don't have a way to charge it and doubt the internal NiCad charger could handle it.   I bought 8 EBL batteries with their charger.  Their all charged up now and I'm planning to run some life tests with them next.   

Maybe that Bartterizer thing would work.  Switcher on switcher may gain us something  :-DD

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #33 on: November 11, 2016, 05:46:57 pm »
dont use the internal charger, on mine a fet shorted and because of a lack of fuses it blew a bunch of tracks, resisters etc off the power board!!!  >:(

pissed me off so much i just threw it in a box and left it for over a decade! - maybe i will pull it out again now there is more service info around.
 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #34 on: November 11, 2016, 06:26:56 pm »
dont use the internal charger, on mine a fet shorted and because of a lack of fuses it blew a bunch of tracks, resisters etc off the power board!!!  >:(

pissed me off so much i just threw it in a box and left it for over a decade! - maybe i will pull it out again now there is more service info around.

I wonder if this is what haolend to your second one Joe? Wouldn't surprise me. Mine had the leaky pack, sommaybe mine got lucky or they improved thencharger with the serries II B models.
Either way, the charger is not suitable for NIMH packs. I can't believe the one company sells so many of these NImH replacement packs. But  playing devils advocate if your in the shop using it every day you will probably rarely hit the full charge point on a 4500mA pack that would take 48 hours to fully charge (weekend off)  with the internal charger. So maybe that's why people haven't complained, or noticed. Me, I know I won't use it every day so the risk is higher.

I think the internal charger would be OK if you find a Ni-cad pack replacement. I did find one on Amazon for half the cost of the NMHd pack, about $15. But I also had a leaking failed pack, I should ask my friend if he still had it. I'm curious to know if this pack was the original Ni-cad or a newer NMHD packs that failed. It will give me a clue if any damage was done to the charging circuit.
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Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #35 on: November 11, 2016, 06:38:29 pm »

The cable is around 2".

I figured with yours being newer they would have the AC+DC.  That's nice! When I looked at the service manual, seemed the controller they used could have handled it.  Looks like a masked part.

There was a note about measuring power with the 97.  I think they were just talking about the multiply.  I was thinking with the newer ones they may have added enough math to handle at least 60Hz sort of signals.  Not that it would ever make a good power analyzer.

Strange you don't feel the automotive group would have much need for an FFT.   That one feature alone would be a great diagnostic tool to detect all sorts of problems.  At the tech level, it may need to be wrapped into some fancy software to make it easy for them to troubleshoot.  I agree that most techs would not know what it is, but they may have equipment that uses it.   

Buying eBay and used in general always has some risk.  On the plus side, most people who bought these would never touch the 12V programming pins.  They may drop them, throw wrenches at them in anger or spray them with break cleaner but not try can align them.   :-DD   I plan to just use the thing.   

I was thinking to cut my pack apart as well.  I don't have a way to charge it and doubt the internal NiCad charger could handle it.   I bought 8 EBL batteries with their charger.  Their all charged up now and I'm planning to run some life tests with them next.   

Maybe that Bartterizer thing would work.  Switcher on switcher may gain us something  :-DD

You have a point, they probably are using FFT but it's built into a snapon device with s different GUI and sold selerate from the scope so they have to buy more tools. A few of my friends are mechanics, and I once when I mentioned FFT he looked at me weird because he didn't know what I was talking about. These days with cars having 23 different computers I'm sure many features on a modern scope woild come in handy. But diagnostically they are used to plug and play with the ODBD II plug and go.....

Good point also about the 12 programming flash being ok. As for the break fluid, it's all good. I have break cleaner so I can fix that one  :-DD

I think the batterizer will  definitely help out with the parasitic drain when the units and standby. We should buy a couple, oh wait they haven't sold them yet. I wonder what's holding them up?

Let me know how the new batteries work for you. I did see something in the manual for a mode you can use to turn on the unit to refresh the battery. It sounded like it just disabled the sleep timer and the battery voltage detection. If the battery is under s certain level it won't attempt to charge it unless you use this mode. They said to drain it under this mode, then charge, then repeate 5 times.
Well if your has this mode you could set up a Time lapse to determine the run time with the new batteries.

I forgot my eneloops came with a AA to C cell adapter, the AA are rated for 2000mA. Maybe I should try this, I should be able to get 4 hours out of it, maybe. And I own about 16 AA and 8 AAA eneloops with two charger already.
« Last Edit: November 11, 2016, 06:41:54 pm by Scottjd »
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #36 on: November 12, 2016, 02:32:47 am »
dont use the internal charger, on mine a fet shorted and because of a lack of fuses it blew a bunch of tracks, resisters etc off the power board!!!  >:(

pissed me off so much i just threw it in a box and left it for over a decade! - maybe i will pull it out again now there is more service info around.

I wonder if this is what haolend to your second one Joe? Wouldn't surprise me. Mine had the leaky pack, sommaybe mine got lucky or they improved thencharger with the serries II B models.
Either way, the charger is not suitable for NIMH packs. I can't believe the one company sells so many of these NImH replacement packs. But  playing devils advocate if your in the shop using it every day you will probably rarely hit the full charge point on a 4500mA pack that would take 48 hours to fully charge (weekend off)  with the internal charger. So maybe that's why people haven't complained, or noticed. Me, I know I won't use it every day so the risk is higher.

I think the internal charger would be OK if you find a Ni-cad pack replacement. I did find one on Amazon for half the cost of the NMHd pack, about $15. But I also had a leaking failed pack, I should ask my friend if he still had it. I'm curious to know if this pack was the original Ni-cad or a newer NMHD packs that failed. It will give me a clue if any damage was done to the charging circuit.

There are several 7.5V back to back zeners that are part of the input protection.  These are what was damaged.  Someone hooked it up to something they shouldn't have.   The cable was just a quick removal and clean.  I think this was just age and heat cycling in the garage that did it in.  The other problem with this meter is the rubber gaskets are starting to fail.  Maybe from age, maybe from the break cleaner.   :-DD    It's also missing the boot.  Too bad they don't have parts available for these.  I would consider getting a new shell for one with a lens and keep one as a shelf queen. 

For the FFT, I could see looking at vibration.  Real fun would be to look at crank position with an index.  Image, you could see every stroke and know how each compares.  I'm not a mechanic and really have no idea what is out there for tools now.   You can't get to everything with the CAN. 

I already received my Baterizers.  Just don't ask me to post any pictures of them.    :-DD  Talk about a scam but I have seen a lot worse.

Quote
Let me know how the new batteries work for you. I did see something in the manual for a mode you can use to turn on the unit to refresh the battery. It sounded like it just disabled the sleep timer and the battery voltage detection. If the battery is under s certain level it won't attempt to charge it unless you use this mode. They said to drain it under this mode, then charge, then repeate 5 times.
Well if your has this mode you could set up a Time lapse to determine the run time with the new batteries.

I looked in the manual and there is no mention of such a feature. 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #37 on: November 12, 2016, 12:22:05 pm »
Too many quotes in your last post to quote again, so I will just quote thus part "Someone hooked it up to something they shouldn't have". Hmm, maybe an electric flyswatter?

I've attached the part inwas refering to out of my manual that shows how to disable the battery save sleep mode. This may be just in the newer serries II firmware? But thought you could try it and see if it works on yours.
I looked up the battery save feature, another fancy way to say sleep timer. I was wrong before, it had nothing to do with preventing the charge of an over discharged pack. But it should allow it to stay on if it works for a run time test.
« Last Edit: November 12, 2016, 12:24:49 pm by Scottjd »
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #38 on: November 12, 2016, 05:53:08 pm »
Too many quotes in your last post to quote again, so I will just quote thus part "Someone hooked it up to something they shouldn't have". Hmm, maybe an electric flyswatter?

Maybe, but I doubt it.  :-DD I am guessing maybe the ignition output.   


I've attached the part inwas refering to out of my manual that shows how to disable the battery save sleep mode. This may be just in the newer serries II firmware? But thought you could try it and see if it works on yours.
I looked up the battery save feature, another fancy way to say sleep timer. I was wrong before, it had nothing to do with preventing the charge of an over discharged pack. But it should allow it to stay on if it works for a run time test.

The 97 will stay alive any time you are recording in meter or scope mode.

With the new pack in the meter, uncharged, it dropped about 260mv after 29 hours with the scope left off.  I then turned it on and left it.  It ran about an hour fifteen.   The high current draw when it is off will be a problem for me so it looks like I am going to charge and just store them until I need to use it.  Fully charged EBLs are in there now. 

Not a word from Fluke on the VHS tape.  It's only been a week.   

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #39 on: November 12, 2016, 10:23:57 pm »
Too many quotes in your last post to quote again, so I will just quote thus part "Someone hooked it up to something they shouldn't have". Hmm, maybe an electric flyswatter?

Maybe, but I doubt it.  :-DD I am guessing maybe the ignition output.   


I've attached the part inwas refering to out of my manual that shows how to disable the battery save sleep mode. This may be just in the newer serries II firmware? But thought you could try it and see if it works on yours.
I looked up the battery save feature, another fancy way to say sleep timer. I was wrong before, it had nothing to do with preventing the charge of an over discharged pack. But it should allow it to stay on if it works for a run time test.

The 97 will stay alive any time you are recording in meter or scope mode.

With the new pack in the meter, uncharged, it dropped about 260mv after 29 hours with the scope left off.  I then turned it on and left it.  It ran about an hour fifteen.   The high current draw when it is off will be a problem for me so it looks like I am going to charge and just store them until I need to use it.  Fully charged EBLs are in there now. 

Not a word from Fluke on the VHS tape.  It's only been a week.

Well I guess and ignition coil throwing 20KV to 30KV would make more sense.

The manufacturer of the battery replied to me, they are sticking to the common math for charging rates of charging based off the capacity. So if it's a 1500mA capacity battery, the max charging rate would be 1.5A.
Of course charging at full speed does decrease the cycles of the battery lifetime.
Still don't trust that it's a real 4500mA batter. So I think I will top it off with 200mA slow charge, then drain it on my hobby charger at 300mA since the meter won't pull more then 300mA. Or maybe for mine a more accurate representation of drain woild be 200mA.

Scott
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #40 on: November 13, 2016, 01:48:52 am »
Time lapse of the EBL 5000mA/h NiMH batteries... Made it a little over 7 hours.  More than enough for my needs.  Have two sets so I can ping pong between them. 

« Last Edit: July 25, 2020, 06:10:41 pm by joeqsmith »
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #41 on: November 13, 2016, 05:33:36 am »
Nice, maybe that's the best way for me to go ask then. Was that with or without the light on yours.
I think you said without the light was about the same current draw as mine in full brightness.
Your batteries are 5000mA cells, the eneloops AA I have still the C converter is about 2000mA per cell.
So if you had your lights off, I think the eneloops would do about 3 hours with my light on low since I can't turn my light off. Three hours is good enough for me considering I own about 26 AA eneloops cells (RC transceivers take 6 to 8 at a time) and could carry two sets if needed giving me 6 hours. Way more then what I would need. I just need to see if Panasonic sell the adapters from AA to C selerate. Thenkot from Costco only came with 2 for C and 2 for D cell adaption.
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #42 on: November 13, 2016, 02:44:10 pm »
Nice, maybe that's the best way for me to go ask then. Was that with or without the light on yours.
I think you said without the light was about the same current draw as mine in full brightness.
Your batteries are 5000mA cells, the eneloops AA I have still the C converter is about 2000mA per cell.
So if you had your lights off, I think the eneloops would do about 3 hours with my light on low since I can't turn my light off. Three hours is good enough for me considering I own about 26 AA eneloops cells (RC transceivers take 6 to 8 at a time) and could carry two sets if needed giving me 6 hours. Way more then what I would need. I just need to see if Panasonic sell the adapters from AA to C selerate. Thenkot from Costco only came with 2 for C and 2 for D cell adaption.

That was all done with the backlight off.   FYI, if you look at the pictures, on the 97 when a function is active it highlights the text.  Not sure if your 96B works like that.   

I had seen the AA converters and thought about going this route as I have several of them.  Then I read one review for the packs we both have where a person said 15 minutes and another a half hour.  After reading those, I still ordered one and sprung for the highest capacity NiMH I could find. 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #43 on: November 13, 2016, 06:40:35 pm »
Nice, maybe that's the best way for me to go ask then. Was that with or without the light on yours.
I think you said without the light was about the same current draw as mine in full brightness.
Your batteries are 5000mA cells, the eneloops AA I have still the C converter is about 2000mA per cell.
So if you had your lights off, I think the eneloops would do about 3 hours with my light on low since I can't turn my light off. Three hours is good enough for me considering I own about 26 AA eneloops cells (RC transceivers take 6 to 8 at a time) and could carry two sets if needed giving me 6 hours. Way more then what I would need. I just need to see if Panasonic sell the adapters from AA to C selerate. Thenkot from Costco only came with 2 for C and 2 for D cell adaption.

That was all done with the backlight off.   FYI, if you look at the pictures, on the 97 when a function is active it highlights the text.  Not sure if your 96B works like that.   

I had seen the AA converters and thought about going this route as I have several of them.  Then I read one review for the packs we both have where a person said 15 minutes and another a half hour.  After reading those, I still ordered one and sprung for the highest capacity NiMH I could find.

Well I ran it last night with the backlights on the medium middle, all I have is low, medium and high.
So I chose medium and set it up for diod mode so it was putting out 3.7 Volts. Then wired a diod on the clams and it dropped to 0.480V, extended those leads to my Fluke 289 that also displayed 0.480V.
Started mid max on the 96B and record on the 289. I wasn't sure if the 96B would hold the timemof mid max if the batteries died. Turns out they both agreed at the end.
When I graphed the 289 you see the half a volt drop to zero assuming this is when the 86B turned off after 2 hours and 3 minutes.
Then I did a recal on the 96B and it agreed on the 2 hour run time. So for 4 eneloops AA 1900mA cells charged 4 hours before so they had time to settle.  Oh, and I checked the draw, it was 750mA draw when running on the batteries in the above mode.

Now that I know it holds the mid max before it turns off I set it up again with 4 eneloops last charged about 6 weeks ago, they all averaged about 1.33V. I set it up again on the middle lighting with it measuring the test signal from the Rigol scope and enabled mid max again. Let's see if scope mode does the same 2 hours as meter mode.

Oh, and I found several AA to C adapter for 3D printing. So no cost for those. I even found one that uses 2 AA in serries to a D cell adapter for double the capacity. I think I will print some of these out just to have them on hand, a just in case situation.

Scott
« Last Edit: November 13, 2016, 06:42:58 pm by Scottjd »
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #44 on: November 13, 2016, 07:21:03 pm »
Well I ran it last night with the backlights on the medium middle, all I have is low, medium and high.
So I chose medium and set it up for diod mode so it was putting out 3.7 Volts. Then wired a diod on the clams and it dropped to 0.480V, extended those leads to my Fluke 289 that also displayed 0.480V.
Started mid max on the 96B and record on the 289. I wasn't sure if the 96B would hold the timemof mid max if the batteries died. Turns out they both agreed at the end.
When I graphed the 289 you see the half a volt drop to zero assuming this is when the 86B turned off after 2 hours and 3 minutes.
Then I did a recal on the 96B and it agreed on the 2 hour run time. So for 4 eneloops AA 1900mA cells charged 4 hours before so they had time to settle.  Oh, and I checked the draw, it was 750mA draw when running on the batteries in the above mode.

Now that I know it holds the mid max before it turns off I set it up again with 4 eneloops last charged about 6 weeks ago, they all averaged about 1.33V. I set it up again on the middle lighting with it measuring the test signal from the Rigol scope and enabled mid max again. Let's see if scope mode does the same 2 hours as meter mode.

Oh, and I found several AA to C adapter for 3D printing. So no cost for those. I even found one that uses 2 AA in serries to a D cell adapter for double the capacity. I think I will print some of these out just to have them on hand, a just in case situation.

Scott

Ballpark, 17.9 * 0.2 / 4.8 = 746mA.  Yea, the 750 you measured seems right.   

Not sure putting two 1.2V cells in series to replace a 1.5V D is a good idea.  They do make some pretty decent D NiMH. 

Ha! Yea I ran into that problem with the 97.  I plugged it back into the charger at the end but my data was lost.  It may have ran 8 hours, I'm not sure.  Something over 7.  It appears your 96 may be the same physical size as the 97.  Maybe they share the same gaskets, boot and lenses.  Had a look on eBay for another junk one at a decent $50 price.  No such luck.  I'll try calling Fluke service and see if they have any stock on at least the gaskets. 

Offline stj

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #45 on: November 13, 2016, 07:32:18 pm »
you can buy the AA to C / D adapters from china for peanuts on ebay, no point wasting expensive polymers on them.

btw, when my 97 blew up, i was charging the factory pack - so the original charge circuit is crap - nothing to do with using over-capacity or different chemistry cells.
it does however have an extra contact on the pack - so it may charge them in pairs rather than a group of 4 - i'm not sure.
 

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #46 on: November 14, 2016, 11:45:36 am »
you can buy the AA to C / D adapters from china for peanuts on ebay, no point wasting expensive polymers on them.

btw, when my 97 blew up, i was charging the factory pack - so the original charge circuit is crap - nothing to do with using over-capacity or different chemistry cells.
it does however have an extra contact on the pack - so it may charge them in pairs rather than a group of 4 - i'm not sure.


Did you blow it up using the Phillips wall transformer it came with it or did you swap that out?  Funny the ones I have are rated to 300mA but the meter can draw a little more than this. 

Almost forgot.  I looked at some of the owners original paperwork.  It appears the holster for the 90 series along with the 164 use the same part number PM 9083/001.  I assume they use the same gaskets as well.   
« Last Edit: November 14, 2016, 11:57:00 am by joeqsmith »
 

Offline stj

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #47 on: November 14, 2016, 12:51:21 pm »
i cant remember what transformer i used, but it was probably the right one because of the extended length connector.
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #48 on: November 16, 2016, 03:20:08 am »
So I charged up (sort of) the green battery pack using the bench supply and it's been in the scope a few days.  I've been playing around with the scope and was surprised it had not failed yet. 

Snipped out about a 0.5" X 1" section of thin plastic.  Stuck some foil tape on both sides then wedged it between one of the connectors and the battery.   

When the 97 is off, it draws 184uA.  Much better than the 32mA I measured from the charge jack.    Once I turn it on, it draws 584mA (without the EL).  Seems a little low.  Makes sense now that the 5000mA/h batteries did so well.  Would be almost 9 hours.  Maybe once they have been cycled a few times, I'll measure it again and record the time using the PC so I don't have to watch it.

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #49 on: November 16, 2016, 05:13:47 pm »
Nice thread and an interesting read.

I still have a complete boxed 'as new' PM97 sitting in my lab. I have kept it in case it was ever needed but sadly it has never been out of the box except to test it. The Ni-Cad pack died long ago but it is is very easy to fit four standard Ni-Mh C cells and just add a small brass or copper strip that sits between the positive connection nipple and the charging tab that is below the battery. It is even easier with a tagged cell as the tag is sometimes long enough or may be extended to reach the charging tab.

I will be re-homing my lovely PM97 set soon and I am open to reasonable offers if someone wants an 'as new'example with all manuals leads and PSU. I also have the dinky little demo signal board that FLUKE manufactured for testing the Scopemeters. Finally I have a lot of the optional accessories and scope probes that FLUKE sold for these units. Really nice quality but sadly they never see use in my lab. If there is no serious interest here, I will list the bits in the Forum's For Sale' area where it really belongs, then onto eBay if no home is found on this forum.

Fraser
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #50 on: November 17, 2016, 03:31:50 am »
Post some pictures of it when you get ready to list it.   It will be interesting to see if yours is any different.

Someone should want it depending what you are asking. Prices are all over the place.  IMO, it's 20 years old and parts are no longer available so it's not worth a whole lot to me.  I see them for $500 up USD!  Used color 196 will sell for less!  Buyer beware.  I was able to basically fully check mine before buying them which swayed me along with what they were asking for them. The battery packs are not much.   I think it's a 3000 count meter is all. Specs are not that great but it's 20+ years old and fits in your hand.   

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #51 on: November 17, 2016, 12:16:40 pm »
My Fluke 97 kit is the original Philips/Fluke branded unit with references to the partnership in the paperwork. As it is 'as new' it has all the little extras, like the quick start guide that has magnetic front and rear covers and sits in the rear of the yellow 'boot'. In its day, it was perfect for automotive and portable usage where isolated inputs were a requirement.

I have always been surprised at the residual value of these units. I sold a pair of well used PM97 units for £160 each last year and the buyers were delighted with them. The price of spare scope probes is scary. They are good quality but you certainly pay for it. I have several spare scope probes and some of the optional modules that plug into the scope inputs. I will dig them out and take some pictures for your interest.

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Offline noidea

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #52 on: November 17, 2016, 01:31:47 pm »
Finally I have a lot of the optional accessories and scope probes that FLUKE sold for these units. Really nice quality but sadly they never see use in my lab. If there is no serious interest here, I will list the bits in the Forum's For Sale' area where it really belongs, then onto eBay if no home is found on this forum.
Fraser

Hi Fraser

What accessories other bits do you have?
 

Offline stj

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #53 on: November 17, 2016, 02:10:52 pm »
have you seen a probe that has a blue body with gray cable and a HUGE metal bnc connector that contains a filter or something?

i had a pair with mine and never knew what they actually were!

btw, can you use regular x10 probes on the 97?
 

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #54 on: November 18, 2016, 01:14:13 am »
have you seen a probe that has a blue body with gray cable and a HUGE metal bnc connector that contains a filter or something?

i had a pair with mine and never knew what they actually were!

btw, can you use regular x10 probes on the 97?

The PM8918 was 10M//15pF.  You would want something with a plastic body like the low cost Hantek probes I like so much. 

I don't have the probe you describe but one of them is a filter probe.  It is also a 10X 10M//12pF with a 4KHz BW. 

These are some of the accessories that came with mine:




Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #55 on: November 18, 2016, 01:31:55 am »
They came with this old Tektronix 6006 probe as well.  12' cable on this one.  Makes sense coming out of a garage. 

Offline R_G_B_

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #56 on: November 19, 2016, 12:50:23 am »
What are the graphing capabilities like in these scopes compared to the fluke 120 series ?

granularity  in graphing mode how low can they go per division?






R_G_B
 

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #57 on: November 19, 2016, 03:49:20 pm »
What are the graphing capabilities like in these scopes compared to the fluke 120 series ?

granularity  in graphing mode how low can they go per division?

I'm not sure what you are asking.   The 97 can go as low as 60 seconds per division.  Looking at the 123/4 they also go as low as 60sec/div.
Specs for both may be found on-line.

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #58 on: November 21, 2016, 01:02:00 am »
The Ni-Cad pack died long ago but it is is very easy to fit four standard Ni-Mh C cells and just add a small brass or copper strip that sits between the positive connection nipple and the charging tab that is below the battery. It is even easier with a tagged cell as the tag is sometimes long enough or may be extended to reach the charging tab.

Fraser
UK
Hi Fraser,
I wouldn't suggest charging the NiMH pack with the 97 or 96B internal chargers. I mentioned this in an earlier post with some testing I was doing and research during my testing.
They are designed to charge NiCd batteries and NiCd chargers have a hard time detecting when the NiMH pack is full especially at the low current rate the scope-meters charge with.  Negative Delta V to detect full charge is faint, especially when charging at less than 0.5C. The older fluke scope-meters charge with a very low current, and in addition are designed to trickle charge at a higher rate that NMH will be damaged. The built in chargers will most likely over charge the NiMH packs possibly damaging the packs or even the meters.

I know companies are selling NiMH packs claiming they are OEM compatible, but I don't think the are. I have torn down this pack and it has no additional circuitry for charge monitoring built into the pack. NiMH dislikes overcharge, and the trickle charge is set to around 0.05C. NiCd is better at absorbing overcharge and the original NiCd chargers had a trickle charge of 0.1C. The differences in trickle charge current and the need for more sensitive full-charge detection render the original NiCd charger unsuitable for NiMH batteries.

I did find one seller on Amazon that sells a 2500-2800mA NiCd pack that should work good with the built in charger. 

I'm looking into doing a mod installing another DC port that will disconnect the lack from the main board when it's plugged in, and change over to the charging tab when a DC plug is plugged in. Then I want to find a small charging board like the TP4056 but for NiMH packs.
I want to put this inline after the switch mode power supply or micro USB power supply before the DC jack and heat shrink it. If I used a micro USB board then this can be a simple adapter to use with the older scope meters with adding the DC port to charge NiMH at a faster rate and proper charging and voltage cutofff for a NiMH pack.
The wires in the battery cage are easily accessible to add this additional DC port and wire it as I described without any additional components.
I just started searching for this NiMH charger like the Li-Ion TP4056 charger. I don't know if anyone makes this already. If not then it might be a self build.  By wiring it like this I would also cut off the built in fluke charger so powering from the fluke power supply is still an option and you would also be able to plug in the additional DC jack I mentioned to charge at the same time.

Thank you,
Scott

TP charger I refered to that I'm looking for, but inenthat does NiMH charging instead.
http://www.ebay.com/itm/like/142004893160?lpid=82&chn=ps&ul_ref=http%253A%252F%252Frover.ebay.com%252Frover%252F1%252F711-117182-37290-0%252F2%253Fmtid%253D1588%2526kwid%253D1%2526crlp%253D53601919689_324272%2526itemid%253D142004893160%2526targetid%253D186358894329%2526rpc%253D0.26%2526rpc_upld_id%253D91632%2526device%253Dt%2526mpre%253Dhttp%25253A%25252F%25252Fwww.ebay.com%25252Fulk%25252Fitm%25252Flike%25252F142004893160%25253Flpid%25253D82%252526chn%25253Dps%2526adtype%253Dpla%2526googleloc%253D9014901%2526poi%253D%2526campaignid%253D239125209%2526adgroupid%253D14978428809%2526rlsatarget%253Dpla-186358894329%2526gclid%253DCP3p-pKquNACFVUvgQodoP4JlA%2526srcrot%253D711-117182-37290-0%2526rvr_id%253D1126736449119&ul_noapp=true
« Last Edit: November 21, 2016, 01:14:21 am by Scottjd »
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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #59 on: November 21, 2016, 02:36:46 am »
Scottjd,

Thanks for the helpful comments on the battery chemistry best suite to the scopemeter. I just checked and I have four Radio Spares high capacity C size NiCad cells in the meter at the moment and they are tagged so can pick up the charge contact as previously mentioned. No need for a custom battery pack from ebay sellers.

I will be selling my Fluke as I have Tektronix THS-720 and 730 handheld DSO's that I would use in preference to the FLUKE unit. I will leave any battery modifications to its next owner as it is totlly unmolested at the moment  :)

Fraser
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Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #60 on: November 21, 2016, 09:42:45 am »
Scottjd,

Thanks for the helpful comments on the battery chemistry best suite to the scopemeter. I just checked and I have four Radio Spares high capacity C size NiCad cells in the meter at the moment and they are tagged so can pick up the charge contact as previously mentioned. No need for a custom battery pack from ebay sellers.

I will be selling my Fluke as I have Tektronix THS-720 and 730 handheld DSO's that I would use in preference to the FLUKE unit. I will leave any battery modifications to its next owner as it is totlly unmolested at the moment  :)

Fraser
Your welcome. I guess unmolested battery packs are a good thing.  :phew:
This is something as I mentioned that I was thinking about before. After seeing your comment it got me thinking again. And I just picked up 5 different Li-Ion battery packs for tools from different manufacturers for tear down. These packs usually sell about $40-$65 US and I happened to get lucky walking around a department store. The clearance isle was calling to me, I paid $5 each for three of them. So far all two of them have quality Samsung 18650 cells.

So after relying to you I realized the 96B runs off of 12VDC to 18VDC, and the charger I mentioned is nice and small. Now I'm wondering if I can make a custom Li-ion pack using this small charger.
The battery is 4.8V nominal, but the DC input external power jack will run off of 8V to 20V @6W.
Maybe 3 high capacity small Li-Ion cells wired directly to the external D.C. input jack. I'll have to take a look inside again and see how much room I have since I will need 3 cell protection and a way to balance charge them also. But your comment defiantly got me thinking again.
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Offline PA0PBZ

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #61 on: November 21, 2016, 12:45:41 pm »
Alright, since someone mentioned (maybe others?) does this count?  :)

This is a weird thing, some crossbreed between a scope and a counter. It's in the same case and uses the same battery pack, and inside the processor board, the supply and the display looks very similar too. Even the A and B input channels are more or less the same. Not the C input of course, which also does not display a waveform.

Anyway, here's the beauty:

Keyboard error: Press F1 to continue.
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #62 on: November 25, 2016, 12:25:06 am »
Alright, since someone mentioned (maybe others?) does this count?  :)

This is a weird thing, some crossbreed between a scope and a counter. It's in the same case and uses the same battery pack, and inside the processor board, the supply and the display looks very similar too. Even the A and B input channels are more or less the same. Not the C input of course, which also does not display a waveform.

Anyway, here's the beauty:
I didn't expect this one, that's neat. Thank for sharing it.
Scott
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #63 on: November 25, 2016, 02:39:12 am »
I had charged the Cameron Sino pack using my bench supply set to 2.82 volts and 200mA doing each half separate until the current dropped (days).  Pack stayed ice cold during all of this.  Installed the pack today and then used the diode test mode you suggested last time and logged the data with a second meter.   First time I tried the pack without charging right from the box after it had sat in the scope with it turned off for a day and it ran for an hour fifteen minutes.

This time it was not much better.  Looks like it died at 6279 seconds.  No where near the other batteries.   So 584ms @ 1.744 hours gets us 1000mA/h?!  These things can't be that bad but I'm starting to believe some of the reviews people wrote about a half hour run time.   
« Last Edit: July 25, 2020, 06:11:12 pm by joeqsmith »
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #64 on: November 25, 2016, 05:30:42 am »
I had charged the Cameron Sino pack using my bench supply set to 2.82 volts and 200mA doing each half separate until the current dropped (days).  Pack stayed ice cold during all of this.  Installed the pack today and then used the diode test mode you suggested last time and logged the data with a second meter.   First time I tried the pack without charging right from the box after it had sat in the scope with it turned off for a day and it ran for an hour fifteen minutes.

This time it was not much better.  Looks like it died at 6279 seconds.  No where near the other batteries.   So 584ms @ 1.744 hours gets us 1000mA/h?!  These things can't be that bad but I'm starting to believe some of the reviews people wrote about a half hour run time.   
Wow, well I just set up one of my benches as the charging station and broke all all my different chargers.
The only charger notmin the picture is the lead acid maintainer/charger for my sealed 12V and sealed 6V batteries. I use these if I need more current then I can generate on a power supply. Like testing an inverter.

One is a hobby charger, that has a discharge feature and tracks the mA used the skame as it does when it is charging. I created a jumper wire with two earth magnets to jump the pack and will charge and discharge a few cycles. I know my pack is only 3 months old.
I will then set the discharge rate to simulate the draw on the 96B around 260mA (I think that is what I measured)  current drain and see how long it holds and how much power this pack is really storing.
I'll measure my drain on the 96B again to confirm.

I can do the same with the drain based on your 97, what was the drain you meter uses?
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #65 on: November 25, 2016, 06:16:10 am »
Wow, well I just set up one of my benches as the charging station and broke all all my different chargers.
The only charger notmin the picture is the lead acid maintainer/charger for my sealed 12V and sealed 6V batteries. I use these if I need more current then I can generate on a power supply. Like testing an inverter.

One is a hobby charger, that has a discharge feature and tracks the mA used the skame as it does when it is charging. I created a jumper wire with two earth magnets to jump the pack and will charge and discharge a few cycles. I know my pack is only 3 months old.
I will then set the discharge rate to simulate the draw on the 96B around 260mA (I think that is what I measured)  current drain and see how long it holds and how much power this pack is really storing.
I'll measure my drain on the 96B again to confirm.

I can do the same with the drain based on your 97, what was the drain you meter uses?

That's the 584mA (not ms haha) at the battery.   Chop chop with the knife.  No idea what the numbers on the side are.  Appear to be no other markings.  Last attempt will be to use my charger, one at a time. 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #66 on: November 25, 2016, 06:38:08 am »
Now you've done it. It said no warranty if label is removed.
They don't want people looking inside and decoding numbers and find out the truth that they are dishonest with the total capacity.
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #67 on: November 25, 2016, 07:01:39 am »
Now you've done it. It said no warranty if label is removed.
They don't want people looking inside and decoding numbers and find out the truth that they are dishonest with the total capacity.

Even worse now. Snipped the strap to not put any stress on the cells.  Code is the same on all four.  Not seeing any other markings on them. 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #68 on: November 25, 2016, 08:32:33 am »
Now you've done it. It said no warranty if label is removed.
They don't want people looking inside and decoding numbers and find out the truth that they are dishonest with the total capacity.

Even worse now. Snipped the strap to not put any stress on the cells.  Code is the same on all four.  Not seeing any other markings on them.

The front of your wrapper is the same as mine, but on the back of the wrapper is a stamped printed code. I think this has to do with the date and battery manufacturer. I bet the stamps on the back our different.

I'm discharging all 4 cells at 1A rate. So far it's drained about 1228mA over 74 minutes and sits at a cool room temperature of 22C. Voltage is 4.64 under the 1A load, and was at 5.12V without a load before I started discharging. It dropped to 4.92V inner initial load.

I'm almost at the estimated capacity your pack was showing and still going strong.
I'm guessing you have a bad cell or one cell way off balance, that's the problem with the older Ni-MH and nicad packs. When I was a teen we raced RC 1/10th scale cars with nicad packs, of one cell died we knew it from the decreased run time. We could always recover the pack by replacing the bad cell, but it would never be the best pack for a race so it became a practice pack.

I have it set to stop at 4.1V since I don't know how well these cells are balanced, or if it was properly trickle charged and topped off. I'm guessing probably not since it was last charged with the fluke 96B nicad built in charger.
When it stops at 4.1, I will drain more at 300mA current again to 4.1V.

I'm going to charge it at 1A also, well maybe I will start at 2.5A charge and monitor the temperature. My charger has an external temp monitor and I have it set to turn off if the pack reaches 32C durring charging.
I did discover tonight that the temp monitoringndoes not monitor during discharge, only when charging doesmit monitor and fail safe if it hits the set temperature.

I contacted the manufacturer and they confirmed it will handle a 1C charge rate at 4.5A, but also hinted that I should charge it at 500mA to 1A. I guess they don't have faith in the packs they sell.

At the time of writing this it's currently at 4.53V, with 1645mA estimated drained over 100 minutes, still draining 1A current.
« Last Edit: December 24, 2016, 12:22:34 am by Scottjd »
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #69 on: November 25, 2016, 08:55:40 am »
Here is the code on mine.   

Charger is still doing it's thing.  Was hoping to shove them back in the scope and catch some sleep.  Could be a bad cell and why I have been watching them on the charger.  They all seem to be at roughly the same voltage.  Nothing getting warm.  This charger is fixed at 1A charge and 300mA discharge. 

Can't believe that low current fixed voltage did anything to it.  I wouldn't snip yours apart just yet.  Let's see if the independent charge does anything for this pack.  Worst case, it becomes a flashlight pack....

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #70 on: November 25, 2016, 09:10:05 am »
Here is the code on mine.   

Charger is still doing it's thing.  Was hoping to shove them back in the scope and catch some sleep.  Could be a bad cell and why I have been watching them on the charger.  They all seem to be at roughly the same voltage.  Nothing getting warm.  This charger is fixed at 1A charge and 300mA discharge. 

Can't believe that low current fixed voltage did anything to it.  I wouldn't snip yours apart just yet.  Let's see if the independent charge does anything for this pack.  Worst case, it becomes a flashlight pack....

Ok, my code in the back is.
My discharge just stopped, but at 4.4V. I thought I set it for 4.1, but I probably set each cell at 1.1. Someday I will be able to do simple math again  :-DD
So it took it down 2000mA, I will put it back on now to drain to 4.1.

I wasn't going to cut my cells apart, but I might unwrap them to see the numbers. I have PVC heat shrink for 18650 cells and should be able to use this to wrap them back up and glue the two cells next to the other two cells again. I should probably measure the diameter of these cells and the no shrunk diameter of the PVC I have first before doing this.

We picked the wrong night to go charging batteries we don't trust after eating turkey. Ok, I didn't eat any turkey yet but I'm assuming you did. We postponed our dinner until Friday because of a long night last night in the ER. Then I took a nap this at 1pm, it was supposed to be a short one like an hour but didn't wake until 6pm so I'm still wide awake.
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Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #71 on: November 25, 2016, 09:12:40 am »
Ok, so the numbers are different. Now we just need to crack the code.
I forgot to ask, did you measure each cell voltage before charging the cells separately after you cut them apart?
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #72 on: November 25, 2016, 09:36:08 am »
Ok, so the numbers are different. Now we just need to crack the code.
I forgot to ask, did you measure each cell voltage before charging the cells separately after you cut them apart?

Yes, and then marked them.  They were in the same ballpark.  Maybe I needed to raise the voltage a bit more and did not have them fully charged.  More curious than anything.  I plan on using the other cells or get me some of those batterfryers and see if it runs for double the time.     

Funny they changed the orientation of the code between the two packs.

Yea, I had enough to eat, just have not unwound yet for the day.  Almost time to get up anyway.     


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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #73 on: November 26, 2016, 12:37:40 am »
I finally died after 29570 seconds or 8.26 hours.  At 584mA, 4821mAh.  Seems the pack does meet their claimed 4500mAh but I just don't know how you would go about charging it with the scopemeter.   

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #74 on: November 26, 2016, 05:51:12 am »
Just checking in on the battery test.  Almost 5 hours now and so far it's looking good! 

One thing that I am finding is when I had bought this PC with Windows 10, NI had dropped support my GPIB Ethernet controller.  I had sniffed the bus and just talk with the controller directly now.  This works so much better than it ever has.
Nice, that's longer then I originally estimated. Oh wait, I never estimated the run time. I only estimated charging time for the pack with the built in charger.  Over 8 hours, wow. Then maybe the  96B might pull over 10 hours.

I was lucky and managed to get a real keysight GPIB to USB adapter, not one of the many fakes on eBay. I think I installed the driver and changed the run mode on the application for backwards compatibility in the properties of the executable. I don't remember the details and bought a new laptop so I don't currently have the software installed. When I ran my run time test I use my Fluke 289 for logging. I need to set the remote interfaces and software back up again on my new laptop someday.
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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #75 on: November 26, 2016, 05:58:17 am »
I finally died after 29570 seconds or 8.26 hours.  At 584mA, 4821mAh.  Seems the pack does meet their claimed 4500mAh but I just don't know how you would go about charging it with the scopemeter.

I wouldn't use any of the built in charging for the Ni-MH pack. I was thinking about this idea I had. Feel free to add to the idea or give feed back about it.
For charging a Ni-MH lack in the meter I was thinking about the following idea.

I would add a female micro/mini USB port that I can splice into the positive battery cage tab. Then using a power supply to supply power to a Ni-MH charging boar I can put it inline between the power supply and before the male USB plug. Maybe I can 3D print a bigger housing for the power supply and put the charge board inside this housing with a plastic wall for separation between the power supply and charging board.
Maybe start off with something like this one, or use one of the cheap chargers I don't trust that came with some LED flashlights and mod them?
http://www.ebay.com/itm/Ni-MH-Charger-Auto-Stop-Circuit-board-1-to-10-cell-800mA-MJE2955T-12-16VDC/140353600313?_trksid=p2045573.c100033.m2042&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D38530%26meid%3D302ca39224134343948c276a38f87bf0%26pid%3D100033%26rk%3D2%26rkt%3D8%26sd%3D401046168634

I would wire it so when the USB port is plugged in it will disconnects the positive line from the battery packs to the meter preventing the meter from running off the battery when it's charging. Then provide the positive line from the charging board to the battery positive terminal, not the charging tab. I would disconnect the wire from the onboard charger to the battery cage. This way you can also plug in the stock power supply to run the meter at the same time it's charging the battery from the USB port. This will also allow standard Ni-MH C cells to be used without a need for a charging tab and could charge them from the USB port. Also running standard C cells will be easier to check the individual cell voltage and replace a bad cell if one dies.
Interference from the charging board should be minimal since the charging circuit will be external and away from the meter with at least 3 feet of wire or longer.

The charging board would have an adjustable charge current controlled by a resistor pod. I can use a in line USB power monitor for adjusting the current so I won't need to put a display on the charging board. My USB power monitors from YZXStudio runs from 4V to 14V with little burden voltage and little power consumption.

My concerns would be the charge rate and the heat generated on the cells as they increase to full charge capacity in that little battery compartment that is sealed with an O ring. I can use the USB data lines to a K style thermostat or thermistor that I can hot glue the sensor inside the battery compartment. Then include a temperature cut off monitor on the charging board when it reaches a set temperature. I did read about a Ni-MH charging method that was based off the temperature only. The charger turns off when it hits a set temperature despite the voltage levels.  This charging style is new to me so I would need to research it but it makes sense. I would also want voltage monitoring as a backup cutoff.

If the pack doesn't get too hot when charging then I can set the charge board to put out  1A or maybe higher for a faster charge. NI-MH batteries are designed to charge with higher current and they could over charge with low current like from the built in Ni-CD charger. The built in charger won't be able to detect when the cells are full when it's doing a trickle charge that would over charge the NI-MH cells.

I will probably just disable any trickle charging on the Ni-MH board so it might drop the total capacity when it's done charging the pack, but not much loss difference in capacity. It will still have plenty of capacity for long run times and shorten the charging time a little. This way the Ni-MH pack would charge faster with temp cut off as the cell fills up to near full capacity as they reach near full charge.

TIP:
I soldered a pin to the end of an old probe (or you can solder it to the wire with a male bandanna on the other end) and poked little holes in my pack so I can check the individual cell voltages without unwrapping the pack.  I wouldn't recommend using this pin probe for LiPo packs since they are easier to puncture.

So far mine seem fairly balanced, well within spec for what I would expect from a Ni-MH pack without balancing capabilities. A little trick I used to do with RC packs to check for a bad cell without having to unwrap the pack. I used to charge the packs at max current. Heck the old Ni-Cd packs we used to charge them in a ziplock bag then put into an ice cooler so they would take the max capacity and have a longer run time. It killed the packs faster as expected, but it was racing so competition brings out inventive ways to win within the rules.
I know my charger is a delta charger, so I can set the mV for the trickle to top it off or leave it on automatic. This was an idea to top off all the cells to the same level. Not sure if or how it really works. I just kept it on automatic. I changed over to LiPo packs shortly after this and stepped into the next class of races.

Thank you,
Scott
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #76 on: November 26, 2016, 04:58:24 pm »
I have not looked to see how they connect in the scope.  Assumed it was 3 wire + com -.  Normally when I need a scope like this, it's for under an hour so 7+ hours is more than enough.  I did contact Fluke about trying to get parts for them (holster, gaskets, etc) and they have no parts available.   

It will be interesting to see what you come up with.  Maybe you could strip the entire power supply section, use the connector that is on the unit and start clean rather than trying to work with what it there. 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #77 on: November 26, 2016, 05:35:31 pm »
I have not looked to see how they connect in the scope.  Assumed it was 3 wire + com -.  Normally when I need a scope like this, it's for under an hour so 7+ hours is more than enough.  I did contact Fluke about trying to get parts for them (holster, gaskets, etc) and they have no parts available.   

It will be interesting to see what you come up with.  Maybe you could strip the entire power supply section, use the connector that is on the unit and start clean rather than trying to work with what it there.

I did think about stripping the whole power supply section and starting clean, but I also like the fact that it current will run off of 12VDC to 20VDC on the current DC input. This give a lot of options for powering it and handy for automotive, just jump to the battery and it's on. I'm not sure if your 97 is set up the same way?
The other concern with starting fresh was inadvertently causing interference with what you are probing. This is why I was wanting to put the charging board at the power plug and not inside the unit, and also disconnecting it from the unit while it's charging the battery to prevent any interference while it's still being powered from the DC barrel 12-20V input.

I think I may have a dual power supply in the box of power supplies, I'll have to see how good the separation is on it and scope the signals. I may be able to use a dual and just split the wires so one is the USB for charging and the other is the DC barrel. So only one thing to plug into the wall, and since it takes a wide range of power input with 12-20V this opens up options for finding a good dual power supply.

I don't have an immediate rush or even have a daily need to use this scope, so it may be a back burner project but something I still think would be fun to do. I'll keep the thread updated, I'll probably have to come back to the thread to see my own notes an idea any way  :-DD
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #78 on: November 26, 2016, 06:15:07 pm »
Seems like starting over, rolling a complete new design from scratch you could really improve it.   

Looking at the manual now.  I have not read any of the documents yet besides a few parts of the service manual.  The claim it can read up to 5MHz frequency.  mVDC has a 5KHz low-pass.  The state the inputs are protected against surges up to 4KV. 

NiCad was about 4 hours run time.   16 hours of charge time (scope not running). They show the input voltage range of 8 to 20 volts, 5W. 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #79 on: November 26, 2016, 06:50:37 pm »
Seems like starting over, rolling a complete new design from scratch you could really improve it.   

Looking at the manual now.  I have not read any of the documents yet besides a few parts of the service manual.  The claim it can read up to 5MHz frequency.  mVDC has a 5KHz low-pass.  The state the inputs are protected against surges up to 4KV. 

NiCad was about 4 hours run time.   16 hours of charge time (scope not running). They show the input voltage range of 8 to 20 volts, 5W.
Ah yea, that's what it was. 8 to 20V in because I was debating if I could convert it to LiIon cells since the make the Chargers chips for LiIon so small these days.  But I figured it would need three cells, and to fit three LiIon  cells in the battery cage would be low capacity sizes. So it wasn't worth thinking that direction anymore.
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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #80 on: November 26, 2016, 07:19:44 pm »
I am not sure how well the 97Vs power input is protected.  They don't provide a lot of details and I did not get the lighter adapter which may have added some level of protection.  Many times I have needed a scope, I did not have a power source I could plug into and had to run extension cords to power my old analog scope.  For the car, I would run a converter to get the 120 to power it.  Imagine having an analog scope sitting in the passenger seat.   :-DD    A little harder to strap it to the bike!  :-DD
 
You could print a whole new back cover for it and put what ever you want for batteries in there.  No reason to lock yourself into what's there.

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #81 on: November 26, 2016, 07:21:03 pm »
cant you get a few 18650's in there side-by-side?
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #82 on: November 26, 2016, 10:38:49 pm »
cant you get a few 18650's in there side-by-side?
Nope, defiantly not 18650's. I might be able to fit two, but that give me the nomanal voltage of 7.4V, minimum of 6V and max of 8.4V. To high for the battery powered rail, not high enough for the minimum sustained voltage of 8V if I spliced it into the DC power input jack.
So three cells would be needed, but three 18650's won't fit. Maybe three 14500 but then the capacity is low.
It would also need room for protection on each cell so if one fails it won't have a thermal runaway into another cell, and then the balancing added parts as well.
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #83 on: December 07, 2016, 03:54:37 am »
I heard back from Fluke's legal department today and they have agreed to allow me to publish the training video for the 97.   :-+  I hope to have it listing in the next day or so.   

BIG THANKS TO FLUKE!!!!

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #84 on: December 07, 2016, 04:13:31 pm »
I heard back from Fluke's legal department today and they have agreed to allow me to publish the training video for the 97.   :-+  I hope to have it listing in the next day or so.   

BIG THANKS TO FLUKE!!!!
That's great, I just saw the video online. For this that have not seen it or are not subscribed to Joes YouTube channel and notified of new video, this is the link.

https://youtu.be/0KZfjxGCi84
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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #85 on: December 23, 2016, 01:42:00 pm »
Here's another model from the 90 Series: The Fluke 98 Automotive ScopeMeter Series II. This model was aimed specifically towards automotive applications and operators without electronics background. Instead of manually using cursors and measurements, you select what you want to measure in advance: An oxygen sensor, ignition signal,... The ScopeMeter will then automatically set the most appropriate measurement mode and readings. The device can be used as a plain oscilloscope, but the feature set is extremely limited and the lack of dedicated oscilloscope buttons makes operation convoluted. Like all other ScopeMeters the Fluke 98 can also be used as a digital multimeter but the large size, weight and, again, user interface, make a simple digital multimeter a much better option. Nevertheless it's a great tool to diagnose older cars.

The Fluke 98 comes in a nice Fluke hard case with an assortment of leads and probes for automotive applications. Just like Fraser's PM97 ScopeMeter, a tiny demoboard is included to get the user familiar with the meter's features and operation. The Fluke 98 was also rebranded as the Bosch PMS 100, Opel TECH 31 and possibly others.

The main difference between the Fluke 98 and the rest of the ScopeMeter series is the software. The hardware is mostly identical although the bandwidth is much lower: 5 MHz instead of 60/100 MHz. The rest of the specs are pretty much identical.

Two major revisions exist: The original 98 and the 98 Series II. The most obvious difference between the two being the display. The original had the green display with weak backlight as seen in joeqsmith's pictures of his 97 ScopeMeter. The latter came with the high-contrast black-and-white display with permanent backlight as seen in the pictures of Scottjd's 96B ScopeMeter. I was unable to find a manual or even spec sheet of the original 98, so I have no details about other differences between both revisions, but some accessories like the DIS 90 work only with the 98 Series II.

The Fluke 98 Automotive ScopeMeter Series II owner's manual is available on the Fluke website (download link). Sadly, no service manual is publicly available.





« Last Edit: December 23, 2016, 01:45:49 pm by mahi »
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #86 on: December 23, 2016, 01:44:05 pm »
The internals:











Full resolution pictures available on request.
« Last Edit: December 23, 2016, 01:47:08 pm by mahi »
 
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Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #87 on: December 23, 2016, 06:52:39 pm »
The big difference in hardware besides the keypad is the one top plug in board on mine. I couldn't even find the wholes for were the plugs would have been. Oh, and yours has a neat little car with a  jack by the DC power input.
I guess that indicates this is the mechanic model?
« Last Edit: December 23, 2016, 06:54:53 pm by Scottjd »
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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #88 on: December 23, 2016, 11:10:30 pm »
I would have thought that the keypad would be built onto the main board with it being newer.

No, it's using exactly the same keypad foil as Scottjd's 96B and your 97 (with a different layout obviously). By the time my Fluke 98 was manufactured (1998) it was already an end-of-life product so I don't think Fluke would have bothered with hardware changes. The newer 120 series ScopeMeters had already been introduced a couple of years before and the faster 190 series was about to be released. By the way, both 120 and 190 series use a similar keypad foil so clearly Fluke thought it was a good idea. Guess what fails over time in these meters...

The big difference in hardware besides the keypad is the one top plug in board on mine. I couldn't even find the wholes for were the plugs would have been.

Any idea what purpose the tiny board serves?

Quote
Oh, and yours has a neat little car with a  jack by the DC power input. I guess that indicates this is the mechanic model?

A similar styled car is etched on the automotive demo board that came with the Fluke 98 so, yes, I'd say that indicates it's the automotive model.

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #89 on: December 24, 2016, 08:29:23 am »
The Fluke 97 is the only 90 series ScopeMeter of which some versions (I presume the earliest) have the keypad on the main PCB. All others use the keypad foil.

With the foil deteriorating over time, some have made replacement PCBs for the foil: See for example this eBay listing: Fluke 92 96 97 99 105 Scopemeter Keypad Contact Board (Replaces Foil). Note that it states that not all 97 have the foil.

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #90 on: December 29, 2016, 05:05:21 am »
I really don't know the history of the two 97s I have.  The newer one has the keypad integrated with the main board.   The I/O board on this one is also newer.   The older scope may have been up graded at Fluke but the owner did not mention it ever being sent in for repairs. 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #91 on: December 29, 2016, 07:45:00 am »

The big difference in hardware besides the keypad is the one top plug in board on mine. I couldn't even find the wholes for were the plugs would have been.

Any idea what purpose the tiny board serves?

Quote
Oh, and yours has a neat little car with a  jack by the DC power input. I guess that indicates this is the mechanic model?

A similar styled car is etched on the automotive demo board that came with the Fluke 98 so, yes, I'd say that indicates it's the automotive model.

Not a clue what thag little board is doing. I didn't find the schematic in the service manual and I looked it over twice. Maybe I missed it twice? It may have something to do with the recordinging and capturing of the data, this is just an edjicated guess after looking up some of the data sheets for the IC mounted on the board.
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Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #92 on: December 29, 2016, 07:46:20 am »
I really don't know the history of the two 97s I have.  The newer one has the keypad integrated with the main board.   The I/O board on this one is also newer.   The older scope may have been up graded at Fluke but the owner did not mention it ever being sent in for repairs.
My foil still seems to be working good, I guess mine didn't see a lot of use. But it's good to know I can get a PCB board replacement if I need it.
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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #93 on: February 18, 2017, 10:33:00 pm »
Hi sorry to bring up old post, i have a Bosch PMS100 scopemeter seen this post and thought someone might be able to shine some light on this for me. The unit work fine on c batteries but wont charge the nicd battery, think someone has shorted it out.

I have seen this pic earlier on this page was wondering if anyone knows what component 520 is in the pic, i have 19v at one side but 0v at oppisite , is this a fuse type component?

 

Offline PA0PBZ

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #94 on: February 18, 2017, 11:29:58 pm »
It looks like a filter, coils & cap. Hard to tell from the pic but it looks like it should conduct from right to left bottom and top.
Keyboard error: Press F1 to continue.
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #95 on: February 18, 2017, 11:51:18 pm »
+1

EMC ferrite bead filter with Capacitor across the mid point.

Continuity should be present horizontally in the provided  picture, but not vertically (parallel to capacitor)

Fraser
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Offline Jamos205

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #96 on: February 18, 2017, 11:55:01 pm »
+1

EMC ferrite bead filter with Capacitor across the mid point.

Continuity should be present horizontally in the provided  picture, but not vertically (parallel to capacitor)

Fraser
Ah ok thanks fraser, yeah no continuity horizontily, are these components available to purchase and replace.
Any idea where i can buy them from in the uk?
 

Online Fraser

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #97 on: February 19, 2017, 12:55:04 pm »
I am surprised that this component is open circuit.

It can be replaced with bypass links if you are not worried about its official EMC compliance :)

Please do some carefull checks on the component though. The ones I have worked with are literally 0.8mm wires with a pair of ferrite beads on the wire and ent into a bridge shape. Yours has a capacitor added at the mid point of the wire 'bridge'. I have not seen any with a fusible link so I am unsure how it became open circuit. A 0.8mm wire would not fail easily and lots of heat damage would be evident.

Something does not seem right here.

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Online Fraser

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #98 on: February 19, 2017, 01:07:58 pm »
Ok, I just looked at the underside of the PCB in the provided pictures.

My thoughts.....

1. The power connector is clearly connected to the filter on two of its pins
2. The filter has 6 pins !
3. I can see a nice thick power track coming off of one of the filter output pins.
4. There is a thin track coming off the other pin of the filter and this is unlikely a power track. More likely a sense line.
5. There are two additional pins at the mid point of the filter. One of these could be the second power rail output.
6. The filter contains only 3 ferrite cores instead of the usual 4. This may be the reason for the non standard footprint connections.

I suggest you carry out continuity checks on all 6 pins of this filter component. I do not expect it to be the cause of your problem. There should be at least two pairs of pins showing Zerp Ohms continuity and possibly an additional pin showing continuity with the positive rail as a sense line.

Fraser
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Online mahi

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #99 on: February 19, 2017, 01:58:23 pm »
Jamos205: The filter is a Murata BNX002-01 (datasheet). Just like Fraser I think it's rather unlikely it died. The filter is rated for 50 V / 10 A. The original Fluke PM 8907 power supply is only 15 V / 300 mA...

Offline stj

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #100 on: April 28, 2017, 02:41:46 am »
are you using 4 individual battery's?
the meter wont charge those, the proper packs have an extra contact so the meter knows they are re-chargeable.

btw, bad news.
i found my scopemeter & the yellow outer case broke up like it was sponge cake!!
looks like the "rubber" used has a limited life!  :'(
 

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #101 on: May 02, 2017, 01:39:34 am »
The one scope on the left had the better display of the two.  The one on the right had such poor contrast it was near impossible to read.  Polarizer was shot.  Rather than try to strip it, I bought a filter that I cut to fit after finding the highest contrast.  The EL power supply on both scopes was not working.  After repairs, this scope on the rights EL was very weak.  I finally got around to picking up one of those cheap white ELs.  It was pretty much a perfect fit after trimming back the connector with the X-acto and soldering some fine wire to it with some tape. 

Links to the lens and EL I used are below.   

https://www.amazon.com/dp/B009P8B548/ref=cm_cr_ryp_prd_ttl_sol_10

https://www.amazon.com/gp/product/B00IMXE2G0/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #102 on: August 01, 2017, 04:35:09 am »
I've been playing around attempting to remove some scratches on a few of my meters.   The new EL came in for the better of the two Fluke 97s and while it was apart decided to work on the lens a bit.

Scratches on this were deep to the point you could snag your finger nail in the groves.  I started with 1000 grit and then finished with some 1500.  This was with water.   Then used the PlastX to polish it.   Installed the new EL.  Looks much better. 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #103 on: August 01, 2017, 05:50:09 am »
Wow, are you sure your didn't replace it? 😏
Usually I don't care for those so called plastic restorers, but I've been trusting meguiars wax for almost all my life on my cars. I didn't know they made a plastic restorer polish.
I have a scratch in my fluke 289, you want to have a go at it if your bored, lol.
As it stands my Fluke 96B has a better screen currently, I don't know hiw I did it. But it's just one deep long scratch. Probably used it on a car for something before I bought a smaller cheaper meter.
Scott
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #104 on: August 01, 2017, 06:11:48 am »
I had no idea about that PlastX polish as well.  Just walked around the auto parts store and found it.  This is the forth meter I have used it on now.  Check out the before and after of that Fluke 189 I am playing with.  It takes some effort but I can't argue with the results.   I am also using an iPad screen protector that I am cutting down to size to protect the lenses.  I will do the same to this scope.  That stuff also gets my vote. Easy to work with, sticks and comes off without residue.  The LENS6 has the protective film installed. 

Down side is for deep scratches afraid it is sand paper time.  Even 1000 grit took a while to pull some of the bad scratches in the 97.  It would have gone better to go from 1000 to 1500 to 2000 before starting to polish.   I just wet sanded this one in the sink. 

Too bad you can't get new plastic and rubber replacement parts for these scopes. 
 
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Offline joeqsmithTopic starter

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #105 on: August 01, 2017, 10:26:09 pm »
The second scope is back together.  Picture showing with the protective cover.  There are two small dents in the upper right corner that I decided not to go after.  Fuzzy dot below them is not real.   

Not too bad for a couple of garage kept meters. 

Offline Scottjd

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #106 on: August 03, 2017, 07:13:50 am »
The second scope is back together.  Picture showing with the protective cover.  There are two small dents in the upper right corner that I decided not to go after.  Fuzzy dot below them is not real.   

Not too bad for a couple of garage kept meters.
Both looking good.
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Offline transistor12

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #107 on: November 13, 2017, 07:48:15 pm »
Yes , limited life of the body case. Mine too..
 

Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #108 on: August 31, 2018, 08:12:35 am »
I have one that is slightly different than what was posted here already.
It is branded on the front as Fluke 97 Scopemeter / Philips on the back. Serial number DM547XXX.

The main difference between modes is in the flash memories. According to fluke website (if the link does not work go to manuals -> search for: 97):
https://dam-assets.fluke.com/s3fs-public/93_95_97mveng0000.pdf?_ga=2.14758966.1275149489.1535696131-345369494.1535440239

Document says:

Model:
Fluke 93, 95, 97, 97/AUTO
Product Name:
ScopeMeter Series I Test Tool
Instrument Description:
The Fluke ScopeMeter Series I test tools provide an up to 50 MHz handheld
oscilloscope combined with a 3½ digit DMM.

Memory Description for instruments with software versions below
V5.xx:
The Fluke 9x has the following memory devices:
1. D1207 (N28F256-A200, 256 kB or N28F010-200P1C4, 1 MB) and D1208
(N28F512-200P1C4) flash EEPROM for instrument firmware and calibration
constants.

2. D1204 (HM62256, 32kx8 SRAM) and D1206 (HM62256, 32kx8 SRAM) for
saved test tool settings (Fluke 97 and 97/AUTO), saved screens and
waveforms (Fluke 97 and 97/AUTO), LCD bit plane data and measurement
data.

Memory Description for instruments with software versions V5.xx and
higher:
The Fluke 9x has the following memory devices:
1. D1221 (E28F010-120, 1 MB) flash EEPROM for instrument firmware and
calibration constants.

2. D1232 (M5M5256BRV, 32kx8 SRAM) for saved test tool settings (Fluke 97
and 97/AUTO), saved screens and waveforms (Fluke 97 and 97/AUTO).
3. D1218 (M5M5256BRV, 32kx8 SRAM) for LCD bit plane data and
measurement data.


It looks like those with memories N28F* are older and those with E28F* are newer. According to the pictures posted in this thread and over the web also series II uses E28F* memories.

I see that Joeqsmith has one unit with single N28F* memory and the other with single E28F*.
https://www.eevblog.com/forum/testgear/old-philips-fluke-97/msg1063314/#msg1063314

My unit has two N28F* flash chips: 512kB + 256kB


Why I'm doing this brain exercise you say? This is the interesting part from the Fluke document I already mentioned abowe:

Memory Cleaning Instructions for instruments with software versions
below V5.xx:
1. The operating code (instrument firmware) stored in D1207 and D1208 can be
read using special remote interface commands.
The instrument firmware can
be loaded using a dedicated Fluke software program. Calibration constants stored in in D1207 and D1208 can be read using
special remote interface commands. The calibration constants are generated
when the meter is sent through its calibration process and are fundamental to
the test tool operation.

These scopmeters can hold just 3 calibrations (one of them is probably done already in factory) and then memory is full and you need to bring it to Fluke where they will blank the memories by reuploading firmware. Maintenance manual excerpt attached.

There is also interesting part that mentions Kernel restore procedure - see attachment.

User's manual also mentions that firmware from V4 up adds new functions which I dont have in my unit. For example: Duty cycle, timestamps during min/max recording, 30ohm range...

My questions are:
1.) Is there anyone out there having the firmware for one of these?  (preferably from unit with two N28F* flash chips)

2.) Anyone did some hacking using serial cable to get something out? Firmware or calibration data? Any hidden instructions to be send to the scope?

If nothing then I hope that at least this post can serve as the starting point for someone more skilled then me.

Regards,
Tomas
 

Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #109 on: August 31, 2018, 01:41:58 pm »
Probably no.

According to this post sending command "ID" should get the firmware version. I myself don't have the cable yet but I have ordered the parts already.
https://www.eevblog.com/forum/testgear/philips-pm93/msg967424/#msg967424

I know only how to check how many calibration slots left... you've got to enter calibration mode and then press Escape not to store anything... (attached instructions).

For me it is 2 free slots so my unit was probably never calibrated after it left the factory. Meter mode is mostly on the lower limit of tolerance when comparing to my BM 869S. I don't have anything acurate enough to check the scope performance.

 

Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #110 on: September 10, 2018, 08:21:03 am »
I read almost the whole Service manual and it mentions the way how to display firmware version without serial cable.

It was hidden under the Error messages and the cause of the firmware version "error" message is:
Turn the Scopemeter on and then press first and last softkey at the same time (the buttons in the first row under the display)

Mine is V3.15 from year 91. Serial number of my unit is DM54 XXXX.

Anyone wants to share his version?
 

Offline lamello

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #111 on: September 10, 2018, 11:16:30 am »
Mine is V4.05 93-05-24


Verstuurd vanaf mijn SM-T800 met Tapatalk

 

Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #112 on: September 10, 2018, 11:23:44 am »
Hi Lamello,

What are the first two digits of your serial number? DM??XXXX

I'm just trying to figure out if the new fimware with version above 4.0 was ever installed in my hardware version.

Thanks!
 

Offline stj

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #113 on: September 10, 2018, 02:13:10 pm »
is anybody intending to dump the flash's to create a repository somewhere??
 

Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #114 on: September 10, 2018, 02:52:54 pm »
Well, in the end I would like to update my unit to the latest 4.X version firmware and also have the posibility to do more then 2 remaining calibrations (which also requires the re-flashing of firmware).

I don't see a way to make it happen at the moment. Perhaps desoldering the flash memories and backing them up would be a good start. Then someone much smarter then me would need to analyse the content and come up with the secret Fluke commands to download the FW via serial cable. If we have the commands, someone with a good will and the new unit could download the FW and share...

Anyone with the programmer, soldering station and a steady hand willing to risk it?  :)
 

Offline lamello

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #115 on: September 10, 2018, 04:04:07 pm »
Sorry, there is no serial on the device.

I think it's a philips machine and it was not working when i got it.

The previous owner(s) had done some modifications to the device.

Greetings lamello

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Offline stj

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #116 on: September 10, 2018, 10:01:22 pm »
if you get several dumps with the same version then we could diff them to find out where the cal data is stored.
that leads to the possibility of upgrading the firmware and keeping the old cal data.
 

Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #117 on: September 19, 2018, 06:58:37 pm »
Another piece of infomation found:

Microprocessor in (my) Fluke 97 is Intel 83C196KB. According to the service manual it has onboard ROM containing boot loader and everything needed for serial communication and the main Firmware upload/download.

That narrows down the options to these two:

1.) desolder external Flash ROMs, make backup via programmer, put them back preferably using the sockets -> now we have the option to start over with the same firmware and the current remaining number of calibrations

2.) desolder the microprocessor and dump the internal ROM via custom built jig, then reverse-engineer boot loader to get the secret serial commands for upload/download of the main Firmware -> now we have the option that anyone with serial cable can upload/download the main Firmware and hopefully share it with us less fortunate with the old FW versions and also get the chance to do more then 2 calibrations


This is what the Intel's users guide says about the ROM dump:

For the 83C196KB,
the ROM Dump Mode is entered by placing EA at a
TTL high, holding ALE low and holding INST and
RD high on the rising edge of RESET. The device first
verifies the security key. If the security keys do not
match, the device puts itself into an endless loop of
internal execution. If the keys match, the device dumps
internal locations 2000H-3FFFH to external locations
4000H – 5FFFH

My guess is that the ROM is read protected and the custom jig must be bulit with the memory attached on the mentioned addresses and the jig must have the capability to automatically restart microprocessor so the brute-force attack can be made.

Option two is obviously better but is far beyound what I can do with my equipment and especially my spare time.
 
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Offline stj

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #118 on: September 19, 2018, 08:32:57 pm »
or if the bootloader does not hash-check the main flash, you insert a routine into the main code to dump the address-space to the uart.
even if it does, it may be a safety, rather than security thing with some simple check like CRC32 with the result at the end of the flash.
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #119 on: January 11, 2019, 11:04:30 pm »
Yes, I have two 97, one with old hardware, and other with new version

I have one that is slightly different than what was posted here already.
It is branded on the front as Fluke 97 Scopemeter / Philips on the back. Serial number DM547XXX.

The main difference between modes is in the flash memories. According to fluke website (if the link does not work go to manuals -> search for: 97):
https://dam-assets.fluke.com/s3fs-public/93_95_97mveng0000.pdf?_ga=2.14758966.1275149489.1535696131-345369494.1535440239

Document says:

Model:
Fluke 93, 95, 97, 97/AUTO
Product Name:
ScopeMeter Series I Test Tool
Instrument Description:
The Fluke ScopeMeter Series I test tools provide an up to 50 MHz handheld
oscilloscope combined with a 3½ digit DMM.

Memory Description for instruments with software versions below
V5.xx:
The Fluke 9x has the following memory devices:
1. D1207 (N28F256-A200, 256 kB or N28F010-200P1C4, 1 MB) and D1208
(N28F512-200P1C4) flash EEPROM for instrument firmware and calibration
constants.

2. D1204 (HM62256, 32kx8 SRAM) and D1206 (HM62256, 32kx8 SRAM) for
saved test tool settings (Fluke 97 and 97/AUTO), saved screens and
waveforms (Fluke 97 and 97/AUTO), LCD bit plane data and measurement
data.

Memory Description for instruments with software versions V5.xx and
higher:
The Fluke 9x has the following memory devices:
1. D1221 (E28F010-120, 1 MB) flash EEPROM for instrument firmware and
calibration constants.

2. D1232 (M5M5256BRV, 32kx8 SRAM) for saved test tool settings (Fluke 97
and 97/AUTO), saved screens and waveforms (Fluke 97 and 97/AUTO).
3. D1218 (M5M5256BRV, 32kx8 SRAM) for LCD bit plane data and
measurement data.


It looks like those with memories N28F* are older and those with E28F* are newer. According to the pictures posted in this thread and over the web also series II uses E28F* memories.

I see that Joeqsmith has one unit with single N28F* memory and the other with single E28F*.
https://www.eevblog.com/forum/testgear/old-philips-fluke-97/msg1063314/#msg1063314

My unit has two N28F* flash chips: 512kB + 256kB


Why I'm doing this brain exercise you say? This is the interesting part from the Fluke document I already mentioned abowe:

Memory Cleaning Instructions for instruments with software versions
below V5.xx:
1. The operating code (instrument firmware) stored in D1207 and D1208 can be
read using special remote interface commands.
The instrument firmware can
be loaded using a dedicated Fluke software program. Calibration constants stored in in D1207 and D1208 can be read using
special remote interface commands. The calibration constants are generated
when the meter is sent through its calibration process and are fundamental to
the test tool operation.

These scopmeters can hold just 3 calibrations (one of them is probably done already in factory) and then memory is full and you need to bring it to Fluke where they will blank the memories by reuploading firmware. Maintenance manual excerpt attached.

There is also interesting part that mentions Kernel restore procedure - see attachment.

User's manual also mentions that firmware from V4 up adds new functions which I dont have in my unit. For example: Duty cycle, timestamps during min/max recording, 30ohm range...

My questions are:
1.) Is there anyone out there having the firmware for one of these?  (preferably from unit with two N28F* flash chips)

2.) Anyone did some hacking using serial cable to get something out? Firmware or calibration data? Any hidden instructions to be send to the scope?

If nothing then I hope that at least this post can serve as the starting point for someone more skilled then me.

Regards,
Tomas
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #120 on: January 11, 2019, 11:50:26 pm »
https://www.tek.com/sso-calibration-services/fluke/97

Calibrate your instrument with Tektronix Multi-Brand Calibration Services

Tektronix offers accredited calibration services for more than 140,000 instruments from 9,000 manufacturers. Tektronix calibration labs are ISO/IEC 17025 accredited and offer NIST tracable certificates. (17025 calibration capability is determined at the time of quotation.)

We support calibration for this instrument: FLUKE - 97: SCOPEMETER; 2 CH; MM < 6.5 DIGIT; < 600 MHZ
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #121 on: January 12, 2019, 12:09:54 am »
ESTABLISHING COMMUNICATION.

10. After the seventeenth time of grounding TP217, the ScopeMeter sends an <XON> via the
RS-232 interface. Now communication is established, it is possible to reprogram the
FlashROMs. For special software contact your nearest Fluke/Philips Service Center.

1 1 . Ground testpoint TP21 6 one more time to abort the Kernel Test.
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #122 on: December 14, 2019, 10:32:37 am »
It seems that MET/CAL has some routines to calibrate this scope:


https://assets.fluke.com/metcalproc/html/fluke_93_95_97_cal_rs232_5520_sc600.html#Fluke 97 ScopeMeter: CAL ADJ RS-232 /5520+SC600


 

Offline Hairystuff

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #123 on: December 14, 2019, 11:38:53 pm »
Hi, I was wondering if anyone has a backup of the flash memory chip for the fluke/philips PM93, I'm pretty sure the data on the chip has gotten corrupted, I can include a dump of the flash chip (n28f101-200) if that is of any use.

 

Offline PA0PBZ

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #124 on: December 15, 2019, 09:15:51 am »
The first part of your dump is empty (0000-7FFF), so that could be your problem.
Keyboard error: Press F1 to continue.
 

Offline Hairystuff

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #125 on: December 16, 2019, 09:20:59 am »
I suspected that when I saw the first part empty, I did test the chip to see if it could be written to and read from reliably and it seems to be ok in that aspect, I remember it working fine before I stored it away, after a year I put it on charge and thats when I noticed it had stopped working, I think the battery may have leaked and shorted the 12v flash enable connectors in the battery compartment which might have caused the flash chip to erase, that's the only thing I can think of that could have caused it, I have searched high and low for a backup of the flash chip content but have had no luck at all.
 

Offline jellytot

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #126 on: January 11, 2020, 03:03:56 pm »
is anybody intending to dump the flash's to create a repository somewhere??

Dumps from scopemeter PM97 Philips Firmware V3.15  91-11-21
verified working. Not sure if this in breach of rules, copyright etc? if so please just delete, remove. I mean its nearly 30 years old! provided for educational purposes and to aid recycling and saving the environment  :)
 
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Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #127 on: January 12, 2020, 08:23:09 pm »
Thanks jellytot!

Could you please let me know how did you manage to download it? Did you need to desolder the chips?

Regards,
Tomas
 
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Offline jellytot

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #128 on: January 12, 2020, 09:04:24 pm »
Hi Tomas. Yes I desoldered with hot air wand. Read with a minipro TL866A.
Do you by any chance have later Firmware? I think if I had a dump with newer firmware I could recalibrate it
 

Offline lyonsk

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #129 on: January 13, 2020, 09:32:22 pm »
Unfotunately no..  Mine is the same like yours... there is a screenshot of my screen on the previous page.

It would be great to download the bootloader from the CPU. If that is disassembled we could download and upload firmware using serial cable and perhaps some volunteer would download the new version and share it...

How many free calibration slots are left in your device? I mean in the firmware you shared...

Thanks.
 

Offline jellytot

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  • Posts: 42
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #130 on: January 14, 2020, 01:07:09 pm »
Not sure how many slots are left?
It would be handy if there was a way to back up
calibration data via the ir interface. Maybe someone
will come along with another peice of the jigsaw  :)
 

Offline jellytot

  • Contributor
  • Posts: 42
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #131 on: January 15, 2020, 11:45:19 am »
Hi Tomas. I read your post regarding calibration slot checking and I can confirm there is 2 available. So at least these dumps will allow
a system recovery, then a recalibration to be performed  ;)
 

Offline harrimansat

  • Regular Contributor
  • *
  • Posts: 219
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #132 on: March 03, 2020, 07:22:52 pm »
Hi, I have a FLUKE97, I can´t locate this board in service manual. There is more services manuals for these scopes?
 

Offline harrimansat

  • Regular Contributor
  • *
  • Posts: 219
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #133 on: March 04, 2020, 07:59:47 pm »
Fluke                                                       MET/CAL Procedure
=============================================================================
INSTRUMENT:            Fluke 93 ScopeMeter: CAL ADJ RS-232 /5500+SC300
INSTRUMENT:            Fluke 95 ScopeMeter: CAL ADJ RS-232 /5500+SC300
INSTRUMENT:            Fluke 97 ScopeMeter: CAL ADJ RS-232 /5500+SC300
INSTRUMENT:            Fluke 97/AUTO ScopeMeter: CAL ADJ RS-232 /5500+SC300
DATE:                  20-Aug-98
AUTHOR:                Fluke Corporation
REVISION:              $Revision: 1.5 $
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       2
NUMBER OF LINES:       462
CONFIGURATION:         Fluke 5500A (SC)
=============================================================================
#
# Source:
#   Service Manual: Fluke Scopemeter 93/95/97, chapter 5
#
# Compatibilty:
#   5500/CAL or MET/CAL version 4.1 and later
#
# Required Files:
#   55_9xa  .bmp       5500 NORMAL to ScopeMeter Ch.A
#   55_9xae .bmp       5500 NORMAL to ScopeMeter Ch.A and Ext/mV
#   55_9xe  .bmp       5500 NORMAL to ScopeMeter Ext/mV
#   9x_a2pcb.bmp       Adj location for 92-99 a2 pcb
#   9x_c1a  .bmp       1X probe cal Ch.A
#   9x_c1b  .bmp       1X probe cal Ch.B
#   9x_c10a .bmp       10X probe cal Ch.A
#   9x_c10b .bmp       10X probe cal Ch.B
#   9x_short.bmp       ScopeMeter zero adj
#   cal9x_1 .bmp       Instructions for cal free query (series 1 only)
#   cal9x_2 .bmp       Instructions for cal store (series 1 only)
#   sc_9xab .bmp       5500 SCOPE to ScopeMeter Ch.A and Ch.B
#   sc_9xae .bmp       5500 SCOPE to ScopeMeter Ch.A and Ext/mV
#   sc_9xat .bmp       5500 SCOPE to ScopeMeter Ch.A, terminated 50 ohms
#
# System Specifications:
#   TUR calculations are based on specification interval of the accuracy file
#   The default accuracy files contains 90 day specs.
#
#   Fluke make no warranty, expressed or implied, as to the fitness or
#   suitability of this procedure in the customer application.
#
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  ASK-   R     N                                           F        W
# To enable adjustment, you have to apply the +12V programming voltage
  1.002  DISP         NOTE:
  1.002  DISP         Apply +12V programming voltage
  1.002  DISP         to the programming contacts
  1.002  DISP         in the battery compartment.
# Setup RS232-communication
  1.003  PORT         [P1200,N,8,1,X]
# Identify ScopeMeter test tool: M[1] = model number
#                                M[2] = software version
  1.004  PORT         ID[13][I$]
  1.005  MATH         M[1] = FLD(MEM2,1,";")
  1.006  MATH         M[2] = FLD(MEM2,2,";")

  1.007  MATH         MEM1=M[1]-93
  1.008  JMPZ         1.014
  1.009  MATH         MEM1=M[1]-95
  1.010  JMPZ         1.014
  1.011  MATH         MEM1=M[1]-97
  1.012  JMPZ         1.014
# Exit if it is not a ScopeMeter 93, 95, 97, or 97auto
  1.013  JMP          2.281
  1.014  MATH         MEM1 = M[2]-4.999
  1.015  JMPF         1.021

# Query Scopemeter Cal Fields ! Version 5 and above only
# returns Total Cal Fields, # Free
  1.016  PORT         QN[13][I$]
  1.017  MATH         MEM1 = FLD(MEM2, 2, ",")
# MEM1 contains the number of free spaces in the FlashROM (2, 1 or 0)
# If MEM1=0 then the MET/CAL procedure must be stopped
# and the ScopeMeter test tool must be refreshed first.
# If MEM1=1 or MEM1=2 then 1 or 2 places in FlashROM are free
# for storing calibration data, so program can continue.
  1.018  JMPT         2.002
# Not enough space: terminate adjustment procedure
  1.019  DISP         Not enough space in FlashROM to store
  1.019  DISP         new calibration data,
  1.019  DISP         Calibration Adjustment Procedure terminated.
  1.019  DISP         First use the "REFRESH" software to
  1.019  DISP         refresh the ScopeMeter test tool.
  1.020  JMP          2.281

# Query Scopemeter Cal Fields ! Version 3 and 4 only
# This must be preformed manualy. Version 3 and 4 instruments do not support
# the automated query.
  1.021  PORT         PS1,FF3B025F00CF3E10002C000001000300090000020000008A008
  1.021  PORT         000000274002221376611021A0010A680808080808080808080800F
  1.021  PORT         AA000E0A1F240000000100000200020000000000000000000000000
  1.021  PORT         00000000000000000000000000000045830EB2F0000000000000000
  1.021  PORT         0000000000000000[13]
  1.022  PICE         cal9x_1
  2.001  JMPF         2.281

# Check if any hardware repairs have been done: if not, you may skip
# step 1 up to 4
  2.002  OPBR         Have any components been replaced?
  2.002  OPBR         (Note: the hardware adjustments may be skipped
  2.002  OPBR         unless the ScopeMeter test tool has been repaired.
  2.002  OPBR         If adjustments S6, S7, S8 or S9 fail, also
  2.002  OPBR         restart the MET/CAL procedure and perform H1...H4.)
  2.003  JMPT         2.005
  2.004  JMP          2.030
  2.005  HEAD         Adj H1: HARDWARE PULSE RESPONSE *1 ATTENUATOR
  2.006  DISP         Open up the case of the ScopeMeter test tool.
  2.006  DISP         Refer to chapter 6 of the Service Manual
  2.006  DISP         for detailed instructions.
  2.007  PIC          sc_9xab
# enable service mode, power can have been removed at opening the case
  2.008  PORT         EX110,0[13][D200]FLUKPHIL[13]
  2.009  PORT         EX100,1[13]
  2.010  5500         200mVpp                      1kH            ZQ SC S
  2.011  PIC          9x_a2pcb (21,56,LBL/M) "<- Adjust C2209 for  "
  2.011  PIC          (22,56,LBL/M) "   optimum channel A "
  2.011  PIC          (23,56,LBL/M) "   pulse response    "
  2.011  PIC          (2,57,LBL/M) "<- Adjust C2109 for  "
  2.011  PIC          (3,57,LBL/M) "   optimum channel B "
  2.011  PIC          (4,57,LBL/M) "   pulse response    "
  2.011  PIC          (21,3,C/B) "Hardware SCOPE adjustment H1      "
  2.011  PIC          (22,3,C/B) "Analog A2 PCB, SMD components side"
  2.012  HEAD         Adj H2: HARDWARE PULSE RESPONSE *10 ATTENUATOR
  2.013  PORT         EX100,2[13]
  2.014  5500         2Vpp                         1kH            ZQ SC S
  2.015  PIC          9x_a2pcb (17,62,LBL/M) "<- Adjust C2207"
  2.015  PIC          (18,62,LBL/M) "   for optimum "
  2.015  PIC          (19,62,LBL/M) "   channel A   "
  2.015  PIC          (20,62,LBL/M) "   pulse       "
  2.015  PIC          (21,62,LBL/M) "   response    "
  2.015  PIC          (6,62,LBL/M) "<- Adjust C2107"
  2.015  PIC          (7,62,LBL/M) "   for optimum "
  2.015  PIC          (8,62,LBL/M) "   channel B   "
  2.015  PIC          (9,62,LBL/M) "   pulse       "
  2.015  PIC          (10,62,LBL/M) "   response    "
  2.015  PIC          (21,3,C/B) "Hardware SCOPE adjustment H2      "
  2.015  PIC          (22,3,C/B) "Analog A2 PCB, SMD components side"
  2.016  5500         *                                                 S
  2.017  HEAD         Adj H3: HARDWARE PULSE RESPONSE *100 ATTENUATOR
  2.018  PORT         EX100,3[13]
  2.019  5500         20Vpp                        1kH            ZQ SC S
  2.020  PIC          9x_a2pcb (7,56,LBL/M) "<- Adjust C2114 for  "
  2.020  PIC          (8,56,LBL/M) "   optimum channel B  "
  2.020  PIC          (9,56,LBL/M) "   pulse response     "
  2.020  PIC          (16,56,LBL/M) "<- Adjust C2214 for  "
  2.020  PIC          (17,56,LBL/M) "   optimum channel A "
  2.020  PIC          (18,56,LBL/M) "   pulse response    "
  2.020  PIC          (21,3,C/B) "Hardware SCOPE adjustment H3      "
  2.020  PIC          (22,3,C/B) "Analog A2 PCB, SMD components side"
  2.021  5500         *                                                 S
  2.022  HEAD         Adj H4: HARDWARE OFFSET AND GAIN
  2.023  PIC          55_9xa
  2.024  PORT         EX100,4[13]
  2.025  5500         254.56mV                     1kH            SI    S  2W
  2.026  PIC          9x_a2pcb (1,2,B/C) "Hardware SCOPE adjustment H4:      "
  2.026  PIC          (2,2,B/C) "Connect TestPoint TP209 to ground. "
  2.026  PIC          (3,2,B/C) "(TP209 is located on the other side"
  2.026  PIC          (4,2,B/C) "of the A2 PCB, in area marked "C1")"
  2.026  PIC          (16,38,LBL/M) "<-- Adjust R2346 and R2347 so that the"
  2.026  PIC          (17,38,LBL/M) "    sinewave on the LCD is exactly 6  "
  2.026  PIC          (18,38,LBL/M) "    divisions: maximum on +3 div.,    "
  2.026  PIC          (19,38,LBL/M) "    minimum on -3 div.                "
  2.026  PIC          (20,38,LBL/M) "    (Tolerance: +/- 1 pixel)          "
  2.027  DISP         Remove the connection between TP209 and ground.
  2.028  5500         *                                                 S
  2.029  DISP         Close the case of the ScopeMeter test tool.
  2.029  DISP         Refer to chapter 6 of the Service Manual
  2.029  DISP         for detailed instructions.
  2.029  DISP
  2.029  DISP         Be sure that the +12V programming voltage is present
  2.029  DISP         and the interface cable is correctly fitted!
  2.030  PORT         EX110,0[13][D200]FLUKPHIL[13]
  2.031  MATH         MEM1=MEM
  2.032  PIC          9x_short
  2.033  HEAD         OFFSET CORRECTION in progress... Please WAIT...
  2.034  PORT         EX100,5[13]
  2.035  MEME
  2.036  JMPT         2.033
  2.037  HEAD         LINEARITY in progress... Please WAIT...
  2.038  PORT         EX101,1[13]
  2.039  MEME
  2.040  JMPT         2.037
  2.041  HEAD         ZEROING THE RANGES in progress... Please WAIT...
  2.042  PORT         EX101,2[13]
  2.043  MEME
  2.044  JMPT         2.041
  2.045  HEAD         ALL RANGES 0 ohm ADJ in progress... Please WAIT...
  2.046  PORT         EX101,10[13]
  2.047  MEME
  2.048  JMPT         2.045
  2.049  HEAD         Make the following connection changes...
  2.050  DISP         Remove all connections.
  2.051  HEAD         OPEN CHANNEL A - Adj in progress... Please WAIT...
  2.052  PORT         EX101,3[13]
  2.053  MEME
  2.054  JMPT         2.051
  2.055  PIC          sc_9xab
  2.056  HEAD         S6: PULSE RESPONSE OF THE *1 ATTENUATOR
  2.057  5500         300mVpp                      1kH            ZQ SC S
  2.058  PORT         EX100,6[13]
  2.059  MEME
  2.060  JMPT         2.056
  2.061  HEAD         S7: PULSE RESPONSE OF THE *10 ATTENUATOR
  2.062  5500         3Vpp                         1kH            ZQ SC S
  2.063  PORT         EX100,7[13]
  2.064  MEME
  2.065  JMPT         2.061
  2.066  HEAD         S8: PULSE RESPONSE OF THE *100 ATTENUATOR
  2.067  5500         20Vpp                        1kH            ZQ SC S
  2.068  PORT         EX100,8[13]
  2.069  MEME
  2.070  JMPT         2.066
  2.071  HEAD         S9: PULSE RESPONSE OF THE *1000 ATTENUATOR
  2.072  5500         50Vpp                        1kH            ZQ SC S
  2.073  PORT         EX100,9[13]
  2.074  MEME
  2.075  JMPT         2.071
  2.076  HEAD         S10: GAIN FOR 5mV
  2.077  5500         20mVpp                       1kH            ZQ SC S
  2.078  PORT         EX100,10[13]
  2.079  MEME
  2.080  JMPT         2.076
  2.081  HEAD         S11: GAIN FOR 10mV
  2.082  5500         50mVpp                       1kH            ZQ SC S
  2.083  PORT         EX100,11[13]
  2.084  MEME
  2.085  JMPT         2.081
  2.086  HEAD         S12: GAIN FOR 20mV
  2.087  5500         100mVpp                      1kH            ZQ SC S
  2.088  PORT         EX100,12[13]
  2.089  MEME
  2.090  JMPT         2.086
  2.091  HEAD         S13: GAIN FOR 50mV
  2.092  5500         200mVpp                      1kH            ZQ SC S
  2.093  PORT         EX100,13[13]
  2.094  MEME
  2.095  JMPT         2.091
  2.096  HEAD         S14: GAIN FOR 100mV
  2.097  5500         500mVpp                      1kH            ZQ SC S
  2.098  PORT         EX100,14[13]
  2.099  MEME
  2.100  JMPT         2.096
  2.101  HEAD         S15: GAIN FOR 200mV
  2.102  5500         1Vpp                         1kH            ZQ SC S
  2.103  PORT         EX100,15[13]
  2.104  MEME
  2.105  JMPT         2.101
  2.106  HEAD         S16: GAIN FOR 2V
  2.107  5500         10Vpp                        1kH            ZQ SC S
  2.108  PORT         EX100,16[13]
  2.109  MEME
  2.110  JMPT         2.106
  2.111  HEAD         S17: GAIN FOR 20V
  2.112  5500         100Vpp                       356H           SM SC S
  2.113  PORT         EX100,17[13]
  2.114  MEME
  2.115  JMPT         2.111
  2.116  HEAD         S18: SHIFT GAIN *1 MODE ADJUSTMENT
  2.117  5500         200mVpp                      1kH            ZQ SC S
  2.118  PORT         EX100,18[13]
  2.119  MEME
  2.120  JMPT         2.116
  2.121  HEAD         S19: SHIFT GAIN /8 MODE adj in progress...
  2.122  5500         20mVpp                       1kH            ZQ SC S
  2.123  PORT         EX100,19[13]
  2.124  MEME
  2.125  JMPT         2.121
  2.126  5500         *                                                 S
  2.127  HEAD         S20: CHANNEL A 50% TRIGGER LEVEL ADJUSTMENT
  2.128  5500         0.707V                       10kH           SI SC S
  2.129  PORT         EX100,20[13]
  2.130  MEME
  2.131  JMPT         2.127
  2.132  HEAD         S21: CHANNEL A 90% TRIGGER LEVEL ADJUSTMENT
  2.133  PORT         EX100,21[13]
  2.134  MEME
  2.135  JMPT         2.132
  2.136  HEAD         S22: CHANNEL B 50% TRIGGER LEVEL ADJUSTMENT
  2.137  PORT         EX100,22[13]
  2.138  MEME
  2.139  JMPT         2.136
  2.140  HEAD         S23: CHANNEL B 90% TRIGGER LEVEL ADJUSTMENT
  2.141  PORT         EX100,23[13]
  2.142  MEME
  2.143  JMPT         2.140
  2.144  5500         *                                                 S
  2.145  PIC          sc_9xae
  2.146  HEAD         S24: EXTERNAL TRIGGERING ADJUSTMENT
  2.147  5500         0.707V                       10kH           SI SC S
  2.148  PORT         EX100,24[13]
  2.149  MEME
  2.150  JMPT         2.146
  2.151  5500         *                                                 S
  2.152  PIC          sc_9xat
  2.153  5500         0.55Vpp                      100kH          ED SC S  L
  2.154  HEAD         S25: RANDOM SAMPLING adj in progress...
  2.155  PORT         EX100,25[13]
  2.156  MEME
  2.157  JMPT         2.154
  2.158  5500         *                                                 S

  2.159  HEAD         M4: CHANNEL A, 300mV RANGE GAIN ADJUSTMENT
  2.160  PIC          55_9xa
  2.161  5500         300mV                                             S  2W
  2.162  PORT         EX101,4[13]
  2.163  MEME
  2.164  JMPT         2.159
  2.165  HEAD         M5: CHANNEL A, 3V RANGE GAIN ADJUSTMENT
  2.166  5500         3V                                                S  2W
  2.167  PORT         EX101,5[13]
  2.168  MEME
  2.169  JMPT         2.165
  2.170  HEAD         M6: CHANNEL A, 30V RANGE GAIN ADJUSTMENT
  2.171  5500         30V                                               S  2W
  2.172  PORT         EX101,6[13]
  2.173  MEME
  2.174  JMPT         2.170
  2.175  HEAD         M7: CHANNEL A, 300V RANGE GAIN ADJUSTMENT
  2.176  5500         300V                                              S  2W
  2.177  PORT         EX101,7[13]
  2.178  MEME
  2.179  JMPT         2.175
  2.180  5500         *                                                 S
  2.181  PIC          55_9xe
  2.182  HEAD         M8: EXTERNAL INPUT, 300mV RANGE, GAIN ADJUSTMENT
  2.183  5500         300mV                                             S  2W
  2.184  PORT         EX101,8[13]
  2.185  MEME
  2.186  JMPT         2.182
  2.187  HEAD         M9: EXTERNAL INPUT, 3V RANGE, GAIN ADJUSTMENT
  2.188  5500         3V                                                S  2W
  2.189  PORT         EX101,9[13]
  2.190  MEME
  2.191  JMPT         2.187
  2.192  5500         *                                                 S
  2.193  HEAD         M11: ADJUSTMENT OF THE 300 ohm RANGE
  2.194  5500         100Z                                              S  2W
  2.195  PORT         [D1000]EX101,11[13]
  2.196  MEME
  2.197  JMPT         2.193
  2.198  HEAD         M12: ADJUSTMENT OF THE 3k ohm RANGE
  2.199  5500         1kZ                                               S  2W
  2.200  PORT         [D1000]EX101,12[13]
  2.201  MEME
  2.202  JMPT         2.198
  2.203  HEAD         M13: ADJUSTMENT OF THE 30k ohm RANGE
  2.204  5500         10kZ                                              S  2W
  2.205  PORT         [D1000]EX101,13[13]
  2.206  MEME
  2.207  JMPT         2.203
  2.208  HEAD         M14: ADJUSTMENT OF THE 300k ohm RANGE
  2.209  5500         100kZ                                             S  2W
  2.210  PORT         [D1000]EX101,14[13]
  2.211  MEME
  2.212  JMPT         2.208
  2.213  HEAD         M15: ADJUSTMENT OF THE 3M ohm RANGE
  2.214  5500         1MZ                                               S  2W
  2.215  PORT         [D1000]EX101,15[13]
  2.216  MEME
  2.217  JMPT         2.213
  2.218  HEAD         M16: ADJUSTMENT OF THE 30M ohm RANGE
  2.219  5500         10MZ                                              S  2W
  2.220  PORT         [D2000]EX101,16[13]
  2.221  MEME
  2.222  JMPT         2.218
  2.223  5500         *                                                 S
  2.224  PIC          55_9xae
  2.225  HEAD         M18: CURRENT RAMP ADJUSTMENT
  2.226  5500         100Z                                              S  2W
  2.227  PORT         EX101,18[13]
  2.228  MEME
  2.229  JMPT         2.225
  2.230  5500         *                                                 S
  2.231  PIC          9x_c1a
  2.232  HEAD         M17: VOLTAGE RAMP ADJUSTMENT
  2.233  PORT         EX101,17[13]
  2.234  MEME
  2.235  JMPT         2.232
  2.236  HEAD         M21: ADJUSTMENT FOR CHANNEL A 1:1 PROBE
  2.237  PORT         EX101,21[13]
  2.238  MEME
  2.239  JMPT         2.236
  2.240  PIC          9x_c1b
  2.241  HEAD         M22: ADJUSTMENT FOR CHANNEL B 1:1 PROBE
  2.242  PORT         EX101,22[13]
  2.243  MEME
  2.244  JMPT         2.241
  2.245  PIC          9x_c10a
  2.246  HEAD         M19: ADJUSTMENT FOR CHANNEL A 10:1 PROBE (RED)
  2.247  PORT         EX101,19[13]
  2.248  MEME
  2.249  JMPT         2.246
  2.250  PIC          9x_c10b
  2.251  HEAD         M20: ADJUSTMENT FOR CHANNEL B 10:1 PROBE (GREY)
  2.252  PORT         EX101,20[13]
  2.253  MEME
  2.254  JMPT         2.251

# Identify ScopeMeter test tool: M[1] = model number
#                                M[2] = software version
  2.255  PORT         ID[13][I$]
  2.256  MATH         M[1] = FLD(MEM2,1,";")
  2.257  MATH         M[2] = FLD(MEM2,2,";")
  2.258  MATH         MEM1 = M[2]-4.999
  2.259  JMPF         2.275

# Store Cal Data, Query Scopemeter Cal Fields ! Version 5 and above only
# disable the SERVICE-mode of the ScopeMeter test tool
  2.260  PORT         EX111,0[13]
# Reset the ScopeMeter
  2.261  PORT         RI[13]
# Enable the SERVICE-mode of the ScopeMeter test tool.
  2.262  PORT         EX110,0[13]FLUKPHIL[13]
# Store the CAL DATA
  2.263  PORT         EX999[13][D2000]
  2.264  MEME
# If MEM1 = 0, then everything was OK.
# If MEM1 = 1, then an error has occured.
  2.265  JMPZ         2.268
  2.266  DISP         An error has occured during execution of CAL STORE
  2.266  DISP         The calibration data is not stored in FlasROM!
# and leave the procedure!
  2.267  JMP          2.281
# Query Scopemeter Cal Fields
# returns Total Cal Fields, # Free
  2.268  PORT         QN[13][I$]
  2.269  MATH         MEM1 = FLD(MEM2, 2, ",")
  2.270  JMPZ         2.273
  2.271  DISP         After this adjustment, there is still space for [MEM1]
  2.271  DISP         adjustments. "Refresh" not necessary.
  2.272  JMP          2.279
  2.273  DISP         After this adjustment, all calibration tables
  2.273  DISP         in FlashROM are filled. "Refresh" recommended!
  2.274  JMP          2.279

# Query Scopemeter Cal Fields ! Version 3 and 4 only
# This must be preformed manualy. Version 3 and 4 instruments do not support
# the automated query.
  2.275  PORT         GL[13]
# disable the SERVICE-mode of the ScopeMeter test tool
  2.276  PORT         EX111,0[13]

  2.277  PORT         PS1,FF3B025F00CF3E10002C000001000300090000020000008A008
  2.277  PORT         000000274002221376611021A0010A680808080808080808080800F
  2.277  PORT         AA000E0A1F240000000100000200020000000000000000000000000
  2.277  PORT         00000000000000000000000000000045830EB2F0000000000000000
  2.277  PORT         0000000000000000[13]

  2.278  PIC          cal9x_2
# Reset the ScopeMeter
# disable the SERVICE-mode of the ScopeMeter test tool
  2.279  PORT         EX111,0[13]
  2.280  DISP         Calibration Adjustment Procedure finished.
  2.280  DISP
  2.280  DISP         First remove the +12V programming voltage, and then
  2.280  DISP         restart the ScopeMeter test tool, using a MASTER RESET

  2.281  END
 

Offline jchw4

  • Regular Contributor
  • *
  • Posts: 189
  • Country: 00
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #134 on: March 05, 2020, 09:03:15 am »
It's mind-blowing.

Do you have Fluke 105 service manual by any chance?
Do you know whether calibration is different for 105?
Any other information that you could share?
 

Offline harrimansat

  • Regular Contributor
  • *
  • Posts: 219
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #135 on: March 05, 2020, 09:14:16 am »
Fluke                                                       MET/CAL Procedure
=============================================================================
INSTRUMENT:            Fluke 91 ScopeMeter: (1 yr) CAL VER RS-232 /5500+SC600
INSTRUMENT:            Fluke 92 ScopeMeter: (1 yr) CAL VER RS-232 /5500+SC600
INSTRUMENT:            Fluke 96 ScopeMeter: (1 yr) CAL VER RS-232 /5500+SC600
INSTRUMENT:            Fluke 99 ScopeMeter: (1 yr) CAL VER RS-232 /5500+SC600
DATE:                  20-Aug-98
AUTHOR:                Fluke Corporation
REVISION:              $Revision: 1.6 $
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       48
NUMBER OF LINES:       541
CONFIGURATION:         Fluke 5500A (S6)
=============================================================================
# Source:
#   Service Manual: Fluke Scopemeter 91/92/96/99, chapter 4
#
# Compatibilty:
#   5500/CAL or MET/CAL version 4.23 and later
#
# Required Files:
#   55_9xa  .bmp       5500 NORMAL to ScopeMeter Ch.A
#   55_9xb  .bmp       5500 NORMAL to ScopeMeter Ch.B
#   55_9xe  .bmp       5500 NORMAL to ScopeMeter Ext/mV
#   9x_time .bmp       ScopeMeter timebase instructions
#   sc_9xab .bmp       5500 SCOPE to ScopeMeter Ch.A and Ch.B
#   sc_9xae .bmp       5500 SCOPE to ScopeMeter Ch.A and Ext/mV
#   sc_9xat .bmp       5500 SCOPE to ScopeMeter Ch.A, terminated 50 ohms
#   sc_9xbt .bmp       5500 SCOPE to ScopeMeter Ch.B, terminated 50 ohms
#
# System Specifications:
#   TUR calculations are based on specification interval of the accuracy file
#   The default accuracy files contains 90 day specs.
#
#   Fluke make no warranty, expressed or implied, as to the fitness or
#   suitability of this procedure in the customer application.
#
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  ASK-   R     N              P                            F        W
# Setup RS232-communication
  1.002  PORT         [P1200,N,8,1,X]
# Identify ScopeMeter test tool: M[1] = model number
  1.003  PORT         ID[13]
  1.004  MATH         M[1] = MEM
  1.005  MATH         MEM1 = M[1] - 91
  1.006  JMPZ         1.014
  1.007  MATH         MEM1 = M[1] - 92
  1.008  JMPZ         1.014
  1.009  MATH         MEM1 = M[1] - 96
  1.010  JMPZ         1.014
  1.011  MATH         MEM1 = M[1] - 99
  1.012  JMPZ         1.014
  1.013  JMP          48.001

# enable the SERVICE-mode of the ScopeMeter test tool
  1.014  PORT         EX110,0[13][D1000]FLUKPHIL[13]
  1.015  HEAD         {Cal S1: LCD TEST - DARK BACKGROUND}
  1.016  DISP         After pressing ADVance, a circle with a 45deg line
  1.016  DISP         must be visible on the display for approx. 5 seconds.
  1.016  DISP         The background color is dark.
  1.016  DISP         Any defects in the columns of the display will be
  1.016  DISP         visible in the patterns.
  1.016  DISP
  1.016  DISP         After the 5 second wait, the evaluation message
  1.016  DISP         will appear.
  1.017  PORT         EX110,1[13]
  1.018  MESS         A circle with a 45deg line was visible on the display.
  1.018  MESS         This pattern may not show defects.
  1.018  MESS
  1.019  EVAL   Was pattern without defects?

  2.001  HEAD         {Cal S2: LCD TEST - LIGHT BACKGROUND}
  2.002  DISP         After pressing ADVance, a circle with a 45deg line
  2.002  DISP         must be visible on the display for approx. 5 seconds.
  2.002  DISP         The background color is light.
  2.002  DISP         Any defects in the columns of the display will be
  2.002  DISP         visible in the patterns.
  2.002  DISP
  2.002  DISP         After the 5 second wait, the evaluation message
  2.002  DISP         will appear.
  2.003  PORT         EX110,2[13]
  2.004  MESS         A circle with a 45deg line was visible on the display.
  2.004  MESS         This pattern may not show defects.
  2.004  MESS
  2.005  EVAL   Was pattern without defects?

  3.001  HEAD         {Cal S3: GROUND LEVEL CHECK}
  3.002  PORT         EX120,3[13]
  3.003  MESS         The trace(s) of the displayed channel(s) must be
  3.003  MESS         situated on the vertical middle of the screen
  3.003  MESS         within 0.1 division.
  3.003  MESS
  3.004  EVAL   Are the traces centered within 0.1 div?

  4.001  HEAD         {Cal S21/22: BASE LINE INSTABILITY}
  4.002  DISP         Remove all connections from the ScopeMeter test tool.
  4.002  DISP
  4.002  DISP         Observe in the following test that the trace does
  4.002  DISP         not jump for more than 0.1 divisions.
  4.003  MATH         MEM1=4
# Switch 4 times between setting 21 and 22 to check trace jump
  4.004  JMPZ         4.008          0.1U
  4.005  PORT         EX120,21[13][D1000]
  4.005  PORT         EX120,22[13][D1000]
  4.006  MATH         MEM1 = MEM1 - 1
  4.007  JMP          4.004
# End of "for i=1 to 4"-loop
  4.008  EVAL   Does the trace jump less than 0.1 divisions?
  5.001  PORT         EX110,4[13]

  5.002  HEAD         {Cal M2: VOLTAGE ACCURACY, BANANA JACK INPUTS}
  5.003  PIC          55_9xe
  5.004  PORT         EX111,2[13]
# M2: 300mV DC
  5.005  5500         300.0mV                                           S  2W
  5.006  PORT         [D2000]QM 2 V [13]
  5.007  MATH         MEM = MEM * 1000
  5.008  MEME
  5.009  MEMC         mV             0.5% 0.5U
# M2: 3V DC
  6.001  5500         3.000V                                            S  2W
  6.002  PORT         [D2000]QM 2 V[13]
  6.003  MEME
  6.004  MEMC         V              0.5% 5e-3U

  7.001  HEAD         {Cal M3: OHMS ACCURACY, BANANA JACK INPUTS}
  7.002  PORT         EX111,3[13]
# M3: 0 Ohm
# Next test needs a delay to enable the system to settle to a stable value
  7.003  5500         000.0Z                                            S  2W
  7.004  PORT         [D5000]QM 1 V[13]
  7.005  MEME
  7.006  MEMC         Z              0.5% 0.5U
# M3: 100 Ohm
# Next test needs a delay to enable the system to settle to a stable value
  8.001  5500         100.0Z                                            S  2W
  8.002  PORT         [D5000]QM 1 V[13]
  8.003  MEME
  8.004  MEMC         Z              0.5% 0.5U
# M3: 1 kOhm
# Next test needs a delay to enable the system to settle to a stable value
  9.001  5500         1.000kZ                                           S  2W
  9.002  PORT         [D5000]QM 1 V[13]
  9.003  MATH         MEM = MEM / 1000
  9.004  MEME
  9.005  MEMC         kZ             0.5% 0.005U
# M3: 10 kOhm
# Next test needs a delay to enable the system to settle to a stable value
 10.001  5500         10.00kZ                                           S  2W
 10.002  PORT         [D5000]QM 1 V[13]
 10.003  MATH         MEM = MEM / 1000
 10.004  MEME
 10.005  MEMC         kZ             0.5% 0.05U
# M3: 100 kOhm
# Next test needs a delay to enable the system to settle to a stable value
 11.001  5500         100.0kZ                                           S  2W
 11.002  PORT         [D5000]QM 1 V[13]
 11.003  MATH         MEM = MEM / 1000
 11.004  MEME
 11.005  MEMC         kZ             0.5% 0.5U
# M3: 1 MOhm
# Next test needs a delay to enable the system to settle to a stable value
 12.001  5500         1.000MZ                                           S  2W
 12.002  PORT         [D5000]QM 1 V[13]
 12.003  MATH         MEM = MEM / 1E6
 12.004  MEME
 12.005  MEMC         MZ             0.5% 0.005U
# M3: 10 MOhm
# Next test needs a delay to enable the system to settle to a stable value
 13.001  5500         10.00MZ                                           S  2W
 13.002  PORT         [D5000]QM 1 V[13]
 13.003  MATH         MEM = MEM / 1E6
 13.004  MEME
 13.005  MEMC         MZ             0.5% 0.05U
#
 14.001  HEAD         {Cal M4: DIODE MODE TEST, BANANA JACK INPUTS}
 14.002  PORT         EX111,4[13]
# M2: 3V DC
 14.003  5500         0.900V                                            S  2W
 14.004  PORT         [D2000]QM 1 V [13]
 14.005  MEME
# Readout is in Volts !
 14.006  MEMC         V              0.5% 0.005U

 15.001  HEAD         {Cal M1: VOLTAGE ACCURACY, BNC INPUT}
 15.002  PIC          55_9xa
 15.003  PORT         EX111,1[13]
# M1: 300 mV DC
 15.004  5500         300.0mV                                           S  2W
 15.005  PORT         [D2000]QM 2 V [13]
 15.006  MATH         MEM = MEM * 1000
 15.007  MEME
 15.008  MEMC         mV             0.5% 0.5U
# M1: 300mV AC, 1kHz
 16.001  5500         300.0mV                      1kH            SI    S  2W
 16.002  PORT         [D2000]QM 1 V [13]
 16.003  MATH         MEM = MEM * 1000
 16.004  MEME
 16.005  MEMC         mV             2% 1.5U       1kH
# M1: 1V DC
 17.001  5500         1.000V                                            S  2W
 17.002  PORT         [D2000]QM 2 V [13]
 17.003  MEME
 17.004  MEMC         V              0.5% 0.005U
# M1: 1V AC, 1kHz
 18.001  5500         1.000V                       1kH            SI    S  2W
 18.002  PORT         [D2000]QM 1 V [13]
 18.003  MEME
 18.004  MEMC         V              2% 0.015U     1kH
# M1: 3V DC
 19.001  5500         3.000V                                            S  2W
 19.002  PORT         [D2000]QM 2 V [13]
 19.003  MEME
 19.004  MEMC         V              0.5% 0.005U
# M1: 3V AC, 1kHz
 20.001  5500         3.000V                       1kH            SI    S  2W
 20.002  PORT         [D2000]QM 1 V [13]
 20.003  MEME
 20.004  MEMC         V              2% 0.015U     1kH
# M1: 10V DC
 21.001  5500         10.00V                                            S  2W
 21.002  PORT         [D2000]QM 2 V [13]
 21.003  MEME
 21.004  MEMC         V              0.5% 0.05U
# M1: 10V AC, 1kHz
 22.001  5500         10.00V                       1kH            SI    S  2W
 22.002  PORT         [D2000]QM 1 V [13]
 22.003  MEME
 22.004  MEMC         V              2% 0.15U      1kH
# M1: 30V DC
 23.001  5500         30.00V                                            S  2W
 23.002  PORT         [D2000]QM 2 V [13]
 23.003  MEME
 23.004  MEMC         V              0.5% 0.05U
# M1: 30V AC, 1kHz
 24.001  5500         30.00V                       1kH            SI    S  2W
 24.002  PORT         [D2000]QM 1 V [13]
 24.003  MEME
 24.004  MEMC         V              2% 0.15U      1kH
# M1: 100V DC
 25.001  5500         100.0V                                            S  2W
 25.002  PORT         [D2000]QM 2 V [13]
 25.003  MEME
 25.004  MEMC         V              0.5% 0.5U
# M1: 100V AC, 1kHz
 26.001  5500         100.0V                       1kH            SI    S  2W
 26.002  PORT         [D2000]QM 1 V [13]
 26.003  MEME
 26.004  MEMC         V              2% 1.5U       1kH
# M1: 250V DC
 27.001  5500         250.0V                                            S  2W
 27.002  PORT         [D2000]QM 2 V [13]
 27.003  MEME
 27.004  MEMC         V              0.5% 0.5U
# M1: 200V AC, 1kHz
 28.001  5500         200.0V                       1kH            SI    S  2W
 28.002  PORT         [D2000]QM 1 V [13]
 28.003  MEME
 28.004  MEMC         V              2% 1.5U       1kH

 29.001  HEAD         {Cal S4: VERTICAL DEFLECTION COEFFICIENT CHANNEL A}
#         The deflection is checked in the automatic way with
#         DC only. This is to eliminate the influence of the
#         jump of the trace when measuring with 10kHz.
#         In the manual way it is easier to use 10kHz,
#         because then one sees directly the result on the
#         display.
# S4: 300mV DC and -300mV DC (to eliminate the offset voltage)
 29.002  PORT         EX110,4[13]
 29.003  5500         300mV                                             S  2W
 29.004  PORT         [D2000]QM 6 V[13]
 29.005  MATH         M[1]=MEM
 29.006  5500         -300mV                                            S  2W
 29.007  ACC          600.0mV        TOL
 29.008  PORT         [D2000]QM 6 V[13]
 29.009  MATH         MEM = (M[1] - MEM) * 1000
 29.010  MEME
 29.011  MEMC         mV             2% 4U

 30.001  HEAD         {Cal M5: AUXILIARY SCOPE DISPLAY AND FREQUENCY}
 30.002  PORT         EX111,5[13]
# Verification of frequency read-out
 30.003  5500         1000H                        6Vpp           SQ    S  2W
 30.004  PORT         [D2000]QM 10 V[13]
 30.005  MEME
 30.006  MEMC         H              0.5% 2U
 31.001  5500         1000H                        6Vpp           SQ    S  2W
 31.002  MESS         The signal on the auxiliary scope-display must be
 31.002  MESS         stable value and well triggered.
 31.002  MESS
 31.003  EVAL   Are requirements met ?

# Identify ScopeMeter test tool: MEM = model number
# If model = 91 then MEM1 becomes zero. Use JMPZ to skip ch.B verifications
 32.001  PORT         ID[13]
 32.002  MATH         MEM1 = MEM - 91
 32.003  JMPZ         35.001

 32.004  HEAD         {Cal S5:VERTICAL DEFLECTION COEFFICIENT CHANNEL B}
 32.005  PIC          55_9xb
 32.006  PORT         EX110,5[13]
# S5: 300mV DC and -300mV DC (to eliminate the offset voltage)
 32.007  5500         300mV                                             S  2W
 32.008  PORT         [D2000]QM 6 V[13]
 32.009  MATH         M[1] = MEM
 32.010  5500         -300mV                                            S  2W
 32.011  ACC          600.0mV        TOL
 32.012  PORT         [D2000]QM 6 V[13]
 32.013  MATH         MEM = (M[1] - MEM) * 1000
 32.014  MEME
 32.015  MEMC         mV             2% 4U
 33.001  PORT         EX110,6[13]
# S6: 3V DC and -3V (to eliminate the offset voltage)
 33.002  5500         3.00V                                             S  2W
 33.003  PORT         [D2000]QM 6 V[13]
 33.004  MATH         M[1] = MEM
 33.005  5500         -3.00V                                            S  2W
 33.006  ACC          6.000V         TOL
 33.007  PORT         [D2000]QM 6 V[13]
 33.008  MATH         MEM = M[1] - MEM
 33.009  MEME
 33.010  MEMC         V              2% 0.04U
 34.001  PORT         EX110,7[13]
# S7: 30V DC and -30V (to eliminate the offset voltage)
 34.002  5500         30V                                               S  2W
 34.003  PORT         [D2000]QM 6 V[13]
 34.004  MATH         M[1] = MEM
 34.005  5500         -30V                                              S  2W
 34.006  ACC          60.00V         TOL
 34.007  PORT         [D2000]QM 6 v[13]
 34.008  MATH         MEM = M[1] - MEM
 34.009  MEME
 34.010  MEMC         V              2% 0.4U

 35.001  HEAD         {Cal S9: RISE TIME CHANNEL A}
# PASS: risetime <= 7.0ns, FAIL: risetime > 7.0ns
 35.002  PIC          sc_9xat
 35.003  PORT         EX110,9[13]
 35.004  5500         100kH                        0.5Vpp         ED S6 S  L
 35.005  ACC          0.0nT          +1.0U
 35.006  PORT         [D8000]QM 11 V[13]
 35.007  MATH         MEM = MEM * 1E9
 35.008  MEME
 35.009  MEMC         nT             +7.0U

 36.001  HEAD         {Cal S10/S11: FREQUENCY RESPONSE CHANNEL A}
# PASS: rms(50MHz) >= 0.7 * rms(100kHz), FAIL: rms(50MHz) < 0.7 * rms(100kHz)
 36.002  ASK-                              U
 36.003  PORT         EX110,10[13]
 36.004  5500         0.12Vpp                      50kH           LS S6 S  L
 36.005  PORT         [D3000]QM 5 V[13]
 36.006  MATH         M[1] = MEM * 0.7
 36.007  PORT         EX110,11[13]
 36.008  5500         0.12Vpp                      50MH           LS S6 S  L
 36.009  MATH         MEM = M[1]
 36.010  ACC          Vpp            TOL
 36.011  PORT         [D3000]QM 5 V[13]
 36.012  MEME
 36.013  MEMC         Vpp            +100%         50MH
 37.001  ASK+                              U

 37.002  HEAD         {Cal S16/S17: TRIGGER SENSITIVITY CHANNEL A}
 37.003  ASK-                              U
 37.004  PORT         EX110,16[13]
 37.005  MATH         M[1] = 0.250
 37.006  MATH         MEM = M[1]
 37.007  5500         Vpp                          10MH           LS S6 S  L
 37.008  PORT         [D3000]QM 7 V[13]
 37.009  MATH         MEM1 = MEM - 0.300
 37.010  JMPT         37.013
 37.011  MATH         M[1] = M[1] - MEM1
 37.012  JMP          37.006
 37.013  MESS         The frequency of the signal is 10MHz
 37.013  MESS         and the period is 100ns = 5 div.
 37.013  MESS
 37.013  MESS         The signal on the display should be stable value,
 37.013  MESS         and triggered on Negative slope.
 37.013  MESS
 37.014  RSLT         =Signal frequency: 10MHz, negative slope
 37.015  EVAL   Is the signal well triggered on Negative slope?
# same procedure for 60MHz sine-wave signal
 38.001  PORT         EX110,17[13]
 38.002  MATH         M[1] = 0.075
 38.003  MATH         MEM=M[1]
 38.004  5500         Vpp                          60MH           LS S6 S  L
 38.005  PORT         [D3000]QM 7 V[13]
 38.006  MATH         MEM1 = MEM - 0.100
 38.007  JMPT         38.010
 38.008  MATH         M[1] = M[1] - MEM1
 38.009  JMP          38.003
 38.010  MESS         The frequency of the signal is 60MHz
 38.010  MESS         and the period is 10ns = 1 div.
 38.010  MESS
 38.010  MESS         The signal on the display should be stable value.
 38.010  MESS
 38.011  RSLT         =Signal frequency: 60MHz
 38.012  EVAL   Is the signal well triggered?
# same procedure for 100MHz sine-wave signal
 39.001  PORT         EX110,17[13]
 39.002  MESS         Adjust the output voltage so that the
 39.002  MESS         amplitude is exactly 4 divisions on the LCD.
 39.002  MESS
 39.003  5500         0.7Vpp                       100MH          LS S6 N  L
 39.004  MESS         The frequency of the signal is 100MHz
 39.004  MESS         and the period is 6.6ns = 0.66 div.
 39.004  MESS
 39.004  MESS         The signal on the display should be stable value.
 39.004  MESS
 39.005  RSLT         =Signal frequency: 100MHz
 39.006  EVAL   Is the signal well triggered?
 40.001  MESS
 40.002  ASK+                              U

 40.003  HEAD         {Cal S18: TIMEBASE}
 40.004  PORT         EX110,18[13]
 40.005  5500         1uT                                         M1 S6 S  L
# PIC picture of S18 measurement (time marker pulses)
 40.006  PIC          9x_time
 40.007  MESS         Adjust the repetition time so that the distances
 40.007  MESS         are the same.
 40.007  MESS
 40.008  5500         1.000uT        0.08U                        M1 S6    L
 41.001  MESS

# Identify ScopeMeter test tool: MEM = model number
# If model = 91 then MEM1 becomes zero. Use JMPZ to skip ch.B verifications
 41.002  PORT         ID[13]
 41.003  MATH         MEM1 = MEM - 91
 41.004  JMPZ         46.003

 41.005  HEAD         {Cal S8: RISE TIME CHANNEL B}
# PASS: risetime <= 7.0ns, FAIL: risetime > 7.0ns
 41.006  PIC          sc_9xbt
 41.007  PORT         EX110,8[13]
 41.008  5500         100kH                        0.5Vpp         ED S6 S  L
 41.009  ACC          0.0nT          +1.0U
 41.010  PORT         [D8000]QM 11 V[13]
 41.011  MATH         MEM = MEM * 1E9
 41.012  MEME
 41.013  MEMC         nT             +7.0U

 42.001  HEAD         {Cal S12/S13: FREQUENCY RESPONSE CHANNEL B}
 42.002  ASK-                              U
 42.003  PORT         EX110,12[13]
 42.004  5500         0.12Vpp                      50kH           LS S6 S  L
 42.005  PORT         [D3000]QM 5 V[13]
 42.006  MATH         M[1] = MEM * 0.7
 42.007  PORT         EX110,13[13]
 42.008  5500         0.12Vpp                      50MH           LS S6 S  L
 42.009  MATH         MEM = M[1]
 42.010  ACC          Vpp            TOL
 42.011  PORT         [D3000]QM 5 V[13]
 42.012  MEME
# PASS: rms(50MHz) >= 0.7 * rms(100kHz), FAIL: rms(50MHz) < 0.7 * rms(100kHz)
 42.013  MEMC         Vpp            +100%         50MH
 43.001  ASK+                              U

 43.002  HEAD         {Cal S14/S15: TRIGGER SENSITIVITY CHANNEL B}
 43.003  ASK-                              U
 43.004  PORT         EX110,15[13]
 43.005  MATH         M[1] = 0.250
 43.006  MATH         MEM = M[1]
 43.007  5500         Vpp                          10MH           LS S6 S  L
 43.008  PORT         [D2000]QM 7 V[13]
 43.009  MATH         MEM1 = MEM - 0.300
 43.010  JMPT         43.013
 43.011  MATH         M[1] = M[1] - MEM1
 43.012  JMP          43.006
 43.013  MESS         The frequency of the signal is 10MHz
 43.013  MESS         and the period is 100ns = 5 div.
 43.013  MESS
 43.013  MESS         The signal on the display should be stable value,
 43.013  MESS         and triggered on Negative slope.
 43.013  MESS
 43.014  RSLT         =Signal frequency: 10MHz, negative slope
 43.015  EVAL   Is the signal well triggered on Negative slope?
# same procedure for 60MHz sine-wave signal
 44.001  PORT         EX110,14[13]
 44.002  MATH         M[1] = 0.075
 44.003  MATH         MEM = M[1]
 44.004  5500         Vpp                          60MH           LS S6 S  L
 44.005  PORT         [D2000]QM 7 V[13]
 44.006  MATH         MEM1 = MEM - 0.100
 44.007  JMPT         44.010
 44.008  MATH         M[1] = M[1] - MEM1
 44.009  JMP          44.003
 44.010  MESS         The frequency of the signal is 60MHz
 44.010  MESS         and the period is 10ns = 1 div.
 44.010  MESS
 44.010  MESS         The signal on the display should be stable value.
 44.010  MESS
 44.011  RSLT         =Signal frequency: 60MHz
 44.012  EVAL   Is the signal well triggered?
# same procedure for 100MHz sine-wave signal
 45.001  PORT         EX110,14[13]
 45.002  MESS         Adjust the output voltage so that the
 45.002  MESS         amplitude is exactly 4 divisions on the LCD.
 45.002  MESS
 45.003  5500         0.7Vpp                       100MH          LS S6 N  L
 45.004  MESS         The frequency of the signal is 100MHz
 45.004  MESS         and the period is 6.6ns = 0.66 div.
 45.004  MESS
 45.004  MESS         The signal on the display should be stable value.
 45.004  MESS
 45.005  RSLT         =Signal frequency: 100MHz
 45.006  EVAL   Is the signal well triggered?
 46.001  MESS
 46.002  ASK+                              U

 46.003  HEAD         {Cal S19: TRIGGER SENSITIVITY EXTERNAL CHANNEL}
 46.004  ASK-                              U
 46.005  PIC          sc_9xae
 46.006  PORT         EX110,19[13]
 46.007  M550                                      1.4Voff
 46.008  5500         1.8Vpp                       1kH            SI S6 S
 46.009  MESS         The frequency of the signal is 1 kHz
 46.009  MESS         and the period is 1 us = 2 div.
 46.009  MESS
 46.009  MESS         The signal on the display should be stable value.
 46.009  MESS
 46.010  EVAL   Is the signal well triggered?
 47.001  M550         *
 47.002  ASK+                              U

# Identify ScopeMeter test tool: MEM = model number
# If model = 91 then MEM1 becomes zero. Use JMPZ to skip ch.B verifications
 47.003  PORT         ID[13]
 47.004  MATH         MEM1 = MEM - 91
 47.005  JMPZ         48.001

 47.006  HEAD         {Cal S20: HORIZONTAL DEFLECTION: Xl DEFLECTION}
 47.007  ASK-                              U
 47.008  PIC          sc_9xab
 47.009  5500         2kH                          800mVpp        SI S6 S
 47.010  PORT         EX110,20[13]
 47.011  MESS         A trace under a 45deg angle must be displayed. The gap
 47.011  MESS         between the lines must be smaller than 0.4 divisions.
 47.011  MESS
 47.012  EVAL   Is the 45deg line with a gap smaller than 0.4 div displayed?
 48.001  END
 
The following users thanked this post: marrob

Offline Aldo007

  • Newbie
  • Posts: 1
  • Country: fr
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #136 on: April 21, 2020, 04:28:23 am »
Hello,
 I just acquired a scopemeter fluke 97, the firmware is at index 3.01, I would like to know the procedure to be able to perform the firmware update with the latest version, or at least version 4.
So I'm looking for the procedure to perform this update as well as the firmware file.
Another question is, does it have an impact on the device's calibration data? 
Thank you in advance for your return.
Aldo
 

Offline harrimansat

  • Regular Contributor
  • *
  • Posts: 219
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #137 on: June 15, 2020, 09:24:31 am »
Hi,

I have made a adaptor to use BNC input with multimeter leads. Is a 10:1 attenunator with HV voltage capacitors to compensate HF. It can measure up to 3kv

Regards

« Last Edit: June 15, 2020, 10:54:45 am by harrimansat »
 

Offline Hairystuff

  • Contributor
  • Posts: 15
  • Country: gb
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #138 on: September 08, 2020, 12:02:23 pm »
Hi @jellytot

Thanks for the flash dump, I did try and mux the top part of the dump on to my one but unfortunately it didn't work for me, I guess I'll have to wait till a flash dump of the PM93 shows up.
« Last Edit: September 08, 2020, 12:04:18 pm by Hairystuff »
 

Offline marrob

  • Contributor
  • Posts: 23
  • Country: gb
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #139 on: October 03, 2020, 08:59:20 am »
I just found this thread while looking for info on the PM97. It's been a while so I'm not sure if anyone is still interested but I have a couple of things I can add...

For Hairystuff, I had a quick look at flash file (thanks jellytot - very useful) and it appears that the code is the same for all 3 versions. Early on in the code location 0x0106 is checked with bits 0,1 or 2 being set for 93,95 or 97. The value in the file is 0x14 so I'm guessing if you change it to 0x11 it will run on a PM93 (providing you have the early hardware with the keyboard on the main pcb)

The MAT/CAL routines posted by harrimansat were also very interesting, you can display how many calibration slots are available without having to apply the 12V programming voltage by sending the serial string:

  2.277  PORT         PS1,FF3B025F00CF3E10002C000001000300090000020000008A008
  2.277  PORT         000000274002221376611021A0010A680808080808080808080800F
  2.277  PORT         AA000E0A1F240000000100000200020000000000000000000000000
  2.277  PORT         00000000000000000000000000000045830EB2F0000000000000000
  2.277  PORT         0000000000000000[13]

Also, I had to make an adapter so I could use the currently available IR189USB serial lead with the PM97. I've attached the STL file in case anyone else wants to 3D print one

 
The following users thanked this post: harrimansat, AVGresponding

Offline KRISTOFFER

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  • Posts: 23
  • Country: gb
Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #140 on: October 30, 2020, 11:17:40 pm »
I have a working 97 with one NF28010, and, a working 97 with one N28F512 and one NF28F256A. I also have a non working 97 and a non working 95 with similar set ups. Looking at the data sheet for these Flash devices they can be read in circuit. Does that mean I can read the contents from the working devices and then program it to the non working devices without having to de-solder them from the boards. The non working devices get as far as checking the Flash and getting no further to powering up. Suspect the Flash chips have been erased.
 

Offline marrob

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  • Posts: 23
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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #141 on: October 31, 2020, 09:52:53 am »
The simple answer is yes, you can read and write the flash chips via the serial port. I've been playing around with this just out of curiosity and I've made quite a bit of progress.

The first thing to point out is that there are 2 versions of the 90 series scopemeters, an early version with pre 5.0 firmware and the keyboard integrated with the digital PCB, and a later model with 5.x firmware and a horrible membrane keyboard. The kernel in the 83C196 ROM is completely different between the 2 versions. I believe I've worked out how to program the early version but the later version uses  "Universal Host Mask software V1.0", which is common to other Fluke instruments. If anyone has a command list for this I would love to see it.

In order to read the flash chips in the early version you first need to enter the kernel. For a working device you can do this in one of 2 ways:
1. press both AC/DC/GROUND keys to enter service mode followed by softkey 3 (labelled EM)
2. send EM\rFLUKPHIL\r via the serial port (thanks to harrimansat's MAT/CAL routines for this nugget)

You can verify that you are in the kernel by sending the ID command as the scopemeter responds with "Scopemeter 90 family MSK V2.01 ; 02-15-91" instead of the usual ID.
From the kernel you have several new commands:
EO - exit kernel
QF - query flash (sends binary flash contents via the serial port)
PF - program flash
CF - clear flash?? (I haven't been brave enough to try this yet :) )

For non-working scopemeters the service manual details a way to get into the kernel but I haven't tried it out.

I've got as far as being able to dump the flash contents and I've managed to program an unused flash location so I'm sure it's possible to write a reflash program. Now I'd like to work out how to do the same with the post 5.0 versions.
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #142 on: October 31, 2020, 11:14:36 am »
The simple answer is yes, you can read and write the flash chips via the serial port. I've been playing around with this just out of curiosity and I've made quite a bit of progress.

The first thing to point out is that there are 2 versions of the 90 series scopemeters, an early version with pre 5.0 firmware and the keyboard integrated with the digital PCB, and a later model with 5.x firmware and a horrible membrane keyboard. The kernel in the 83C196 ROM is completely different between the 2 versions. I believe I've worked out how to program the early version but the later version uses  "Universal Host Mask software V1.0", which is common to other Fluke instruments. If anyone has a command list for this I would love to see it.

In order to read the flash chips in the early version you first need to enter the kernel. For a working device you can do this in one of 2 ways:
1. press both AC/DC/GROUND keys to enter service mode followed by softkey 3 (labelled EM)
2. send EM\rFLUKPHIL\r via the serial port (thanks to harrimansat's MAT/CAL routines for this nugget)

You can verify that you are in the kernel by sending the ID command as the scopemeter responds with "Scopemeter 90 family MSK V2.01 ; 02-15-91" instead of the usual ID.
From the kernel you have several new commands:
EO - exit kernel
QF - query flash (sends binary flash contents via the serial port)
PF - program flash
CF - clear flash?? (I haven't been brave enough to try this yet :) )

For non-working scopemeters the service manual details a way to get into the kernel but I haven't tried it out.

I've got as far as being able to dump the flash contents and I've managed to program an unused flash location so I'm sure it's possible to write a reflash program. Now I'd like to work out how to do the same with the post 5.0 versions.

wow!

For non-working scopemeters the service manual details a way to get into the kernel but I haven't tried it out.

Which service manual?
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #143 on: October 31, 2020, 12:56:08 pm »
It's mentioned under section 7.1.6.2 Kernel Test in the Fluke_93-95-97_Service_Manual you can find on line....

ESTABLISHING COMMUNICATION
10. After the seventeenth time of grounding TP217, the ScopeMeter sends an <XON> via the
RS-232 interface. Now communication is established, it is possible to reprogram the
FlashROMs. For special software contact your nearest FlukeIPhilips Service Center.
11. Ground testpoint TP216 one more time to abort the Kernel Test.
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #144 on: October 31, 2020, 01:36:20 pm »
It's mentioned under section 7.1.6.2 Kernel Test in the Fluke_93-95-97_Service_Manual you can find on line....

ESTABLISHING COMMUNICATION
10. After the seventeenth time of grounding TP217, the ScopeMeter sends an <XON> via the
RS-232 interface. Now communication is established, it is possible to reprogram the
FlashROMs. For special software contact your nearest FlukeIPhilips Service Center.
11. Ground testpoint TP216 one more time to abort the Kernel Test.

Thanks!

How do you managed to read/writte flash?

I have tryed with my 97 and 105, enters in kernel but how works QF?
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #145 on: October 31, 2020, 02:20:21 pm »
Thanks!

How do you managed to read/writte flash?

I have tryed with my 97 and 105, enters in kernel but how works QF?

QF takes 4 parameters, I'm not sure what the first one is for but only 0 seems to work.
The 2nd selects one of 3 32K blocks and must be either 0,2 or 3
The 3rd is the start address in the block in decimal
The 4th is the size of the data to download, also in decimal
The scopemeter responds with 0 in ASCII, carriage return, the data in binary, and finally a checksum, also in binary
so QF0,0,0,4\r will return the first 4 bytes (in binary) from the first block, which is CPU memory location 0. These are all FF so the checksum is FC
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #146 on: November 01, 2020, 08:42:01 pm »
Thanks!

How do you managed to read/writte flash?

I have tryed with my 97 and 105, enters in kernel but how works QF?

QF takes 4 parameters, I'm not sure what the first one is for but only 0 seems to work.
The 2nd selects one of 3 32K blocks and must be either 0,2 or 3
The 3rd is the start address in the block in decimal
The 4th is the size of the data to download, also in decimal
The scopemeter responds with 0 in ASCII, carriage return, the data in binary, and finally a checksum, also in binary
so QF0,0,0,4\r will return the first 4 bytes (in binary) from the first block, which is CPU memory location 0. These are all FF so the checksum is FC

Thanks, it works!
I have to try if is possible to read the entery flash
Please let us know if you find out more things

 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #147 on: November 02, 2020, 09:01:22 am »
This is my scope dump:

model 9x ;   V4.05 ; 93-05-24. (FLUKE 97)

I use realterm for comunication
« Last Edit: November 04, 2020, 12:44:03 pm by harrimansat »
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #148 on: November 02, 2020, 10:59:33 am »
Well done harrimansat. Your files are very different to mine but mine is a slightly older version (4.02)
Also, our 3.BIN file is 1 byte too long for some reason.

I can now confirm that the command CF0 will completely erase the 28F010 flash if the 12V programming voltage is applied so be careful!

Are you Spanish? (sin titulo.png)
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #149 on: November 02, 2020, 12:43:27 pm »
Well done harrimansat. Your files are very different to mine but mine is a slightly older version (4.02)
Also, our 3.BIN file is 1 byte too long for some reason.

I can now confirm that the command CF0 will completely erase the 28F010 flash if the 12V programming voltage is applied so be careful!

Are you Spanish? (sin titulo.png)

Yes, I´m Spanish. 8)
I am very curious to know how you got the commands to read the flash, theoretically they are recorded in the kernel, right?

I have searched a lot on the internet and I have not found anything!

 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #150 on: November 02, 2020, 01:16:43 pm »

Yes, I´m Spanish. 8)
I am very curious to know how you got the commands to read the flash, theoretically they are recorded in the kernel, right?

I have searched a lot on the internet and I have not found anything!

Hola  :D

I did a text search in the code that jellytot posted earlier in this thread. The known commands are there plus a few others that looked interesting. They didn't work in normal mode so I tried them in the kernel and kept trying different things until I worked out what they did, bit of a treasure hunt really.

All the commands are at offset 0x6e35 in your 2.BIN file.

They must be implemented in the kernel because they work when the flash is erased but they're also in the list in the main code.

There's still a couple commands I haven't worked out the use of so far CL and DW
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #151 on: November 02, 2020, 03:30:53 pm »
I have this command list:



                                    COMMAND           PAGE
         COMMAND NAME               HEADER           NUMBER
         -------------------------------------------------------
         AUTO SETUP                   AS               3.5
         ARM TRIGGER                  AT               3.7
         CPL VERSION QUERY            CV               3.9
         DEFAULT SETUP                DS               3.11
         GO TO LOCAL                  GL               3.13
         GO TO REMOTE                 GR               3.16
         IDENTIFICATION               ID               3.19
         LOCAL LOCKOUT                LL               3.21
         PROGRAM COMMUNICATION        PC               3.24
         PROGRAM SETUP                PS               3.27
         PROGRAM WAVEFORM             PW               3.30
         QUERY MEASUREMENT            QM               3.34
         QUERY PRINT                  QP               3.40
         QUERY SETUP                  QS               3.44
         QUERY WAVEFORM               QW               3.47
         RESET INSTRUMENT             RI               3.51
         RECALL SETUP                 RS               3.53
         SAVE SETUP                   SS               3.56
         STATUS QUERY                 ST               3.59
         TRIGGER ACQUISITION          TA               3.62


« Last Edit: November 02, 2020, 03:33:13 pm by harrimansat »
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #152 on: November 02, 2020, 03:35:46 pm »

Yes, I´m Spanish. 8)
I am very curious to know how you got the commands to read the flash, theoretically they are recorded in the kernel, right?

I have searched a lot on the internet and I have not found anything!

Hola  :D

I did a text search in the code that jellytot posted earlier in this thread. The known commands are there plus a few others that looked interesting. They didn't work in normal mode so I tried them in the kernel and kept trying different things until I worked out what they did, bit of a treasure hunt really.

All the commands are at offset 0x6e35 in your 2.BIN file.

They must be implemented in the kernel because they work when the flash is erased but they're also in the list in the main code.

There's still a couple commands I haven't worked out the use of so far CL and DW
:clap: :clap: :clap:
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #153 on: November 02, 2020, 04:10:25 pm »
Commands list, EX is exit?
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #154 on: November 02, 2020, 04:25:25 pm »
EX is used for calibration. If you look in your MAT/CAL files it's used very often.
It also seems to be used in the later, post V5.0 kernel so I'm guessing that there are some EX commands that read and write the flash in newer instruments.

thanks for the :clap:  :)
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #155 on: November 02, 2020, 05:11:25 pm »
I think your 2.BIN file has a byte missing from the start. Did you use the QF0,2,1,32768 command shown in your pic to generate it?
It should be QF0,2,0,32768 as on the previous line
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #156 on: November 02, 2020, 06:01:20 pm »
I will make another backup and post it.

I would like to flash a 105b eeprom in my 105. I have two fluke 97, one of them is "rare" it has a 5.00 hardware, I would like to try if it accepts the 105 firmware too.

Thanks!
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #157 on: November 03, 2020, 11:44:10 am »
I will make another backup and post it.

I would like to flash a 105b eeprom in my 105. I have two fluke 97, one of them is "rare" it has a 5.00 hardware, I would like to try if it accepts the 105 firmware too.

Thanks!

I've got a couple of post 5.00 flukes too, one 95 and one 97. They both respond to the ID command from within the kernel with "Universal Host Mask Software; UHM V1.0"
I haven't worked out any other kernel commands, the pre 5.00 ones don't work.
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #158 on: November 03, 2020, 12:15:58 pm »
do you managed to recover the one with flash erased with CF?
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #159 on: November 03, 2020, 01:21:17 pm »
yes, that one is version 4.02 so no problem
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #160 on: November 03, 2020, 04:11:10 pm »
yes, that one is version 4.02 so no problem

Using PF?

How?  ;D
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #161 on: November 03, 2020, 04:54:28 pm »
yes, that one is version 4.02 so no problem

Using PF?

How?  ;D

I've sent you a PM...
 

Offline smaultre

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #162 on: November 03, 2020, 05:06:03 pm »
My friends the 95-105 is the pretty scopes, but do not have real isolated inputs and run only about  ~25Ms sample rate.
It's so small rate todays.. Maybe talk about hacking\repairing\upgraiding\calibrating the 199b\c models?
« Last Edit: November 03, 2020, 05:08:27 pm by smaultre »
Start a new life here!!!
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #163 on: November 04, 2020, 12:45:33 pm »
Flash for FLUKE 97 V4.05
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #164 on: November 11, 2020, 09:45:56 pm »
Scope Meter Fluke 105 II v 7.05 English German Firmware
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #165 on: November 23, 2020, 02:06:19 pm »
I've uploaded some home grown utility programs to read and flash these Scopemeters in a new post for anyone that wants to try them..
https://www.eevblog.com/forum/testgear/fluke-flash-utilities-for-early-scopemeters/
 
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Offline KRISTOFFER

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #166 on: November 23, 2020, 06:10:29 pm »
 :) Big thank you to Marrob for new software to take the sting out of pulling out data from the Flash chip/chips. Will try it tonight since I am struggling with QF.

Found something unusual last night in my first attempt. Sent ID to a non working PM95 and it sent back SCOPEMETER 90 FAMILY MSK V2.01 02-15-91. Does this indicate that it is somehow locked within the kernel ?

Will post any further results in the next few days.

 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #167 on: November 23, 2020, 08:01:05 pm »
:) Big thank you to Marrob for new software to take the sting out of pulling out data from the Flash chip/chips. Will try it tonight since I am struggling with QF.

Found something unusual last night in my first attempt. Sent ID to a non working PM95 and it sent back SCOPEMETER 90 FAMILY MSK V2.01 02-15-91. Does this indicate that it is somehow locked within the kernel ?

Will post any further results in the next few days.

Yes, that's the normal ID response from the version 4 kernel. The Scopemeter will stay in the kernel if the flash is erased or corrupt. It indicates that your processor and serial interface are working. You should be able to restore the code unless there is a fault on the board stopping the flash or RAM from working.
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #168 on: November 26, 2020, 01:10:58 pm »
what do you mean by "for a split second I get the message aborting"? If you get a message in a Command Prompt window it will stay on the screen until you close the window.
You don't need to go into service mode to use any of my utilities. They will do that themselves if necessary, flukesavecal doesn't need to go into service mode at all.
What exactly are you typing for flukesavcal and flukev4dump? Can you attach a screen shot of the Command Prompt window?
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #169 on: November 26, 2020, 04:49:05 pm »
These programs have to be run from within a command window, you can't just double-click on them in Windows. Also you have to type the com port and the file name after the command as stated in the pdf and the useage message shown in your screenshot. If you just type a filename without a path in the window you have shown the file will be in d:\

It might be a good idea to read up a bit about Windows command line if this doesn't make sense to you.
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #170 on: November 27, 2020, 10:14:29 am »
OK yes, it has been a long time and I am very rusty but got half way there. Can not get any flash dumps from working or non working but  got a cal.bin from a working PM97. Will update when I get some more.

That's strange, the 2 programs connect to the scope in the same way so you should at least get the "Scopemeter model..." message. There may be an issue with your serial interface and it just happened to work once with the calibration download.
 

Offline marrob

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #171 on: November 27, 2020, 03:04:16 pm »
I will go back to it tonight with a usb adaptor and try to lift everything from the PM95, 97, 96b II and 99II models (working or not) and get them posted on here for everyone to play with.

That would be interesting. I believe the 96 and 99 models have 2 flash chips. The programs should work with them but I haven't been able to test them. The series II models will need the uhm versions of the programs.
It might be a good idea to post the results on the other thread with the programs as harrimansat did so that thread can be a sort of repository for flash dumps.
 

Offline jellytot

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #172 on: December 02, 2020, 11:54:44 am »
First. Thank you marrob for your flash utilities for  these meters  :-+ Kristoffer, I successfully upgraded my v3.15 to v3.25 with my cal data from your dump's with no issues  :) unfortunately v4.05 is giving me cal issues  as already mentioned by marrob. I'm just curious if there is a 2 chip version of the 97 with V4 running on it  :( It would be nice to have V4  ;D
 

Offline Eric

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #173 on: March 04, 2021, 05:09:22 am »
Hi,

I have made a adaptor to use BNC input with multimeter leads. Is a 10:1 attenunator with HV voltage capacitors to compensate HF. It can measure up to 3kv

Regards

If you would, please elaborate on the circuit and especially your component selection.  I would like to make a pair of these for my scopemeter.
Thanks.

-Eric
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #174 on: March 09, 2021, 11:11:07 am »
Hi, I have a FLUKE97, I can´t locate this board in service manual. There is more services manuals for these scopes?

Is a TV sync trigger board :)
 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #175 on: March 28, 2021, 06:43:41 pm »
 Fluke 9x calibration adjust and verification procedures attached.
 
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Offline chrisc1122

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #176 on: March 30, 2021, 12:30:50 am »
This is a fascinating thread, lots of info.  However, lots of info regarding firmware that I would expect to be garnered from an actual service manual for the newer 92B, 96B, 99B and 105B scopes.

Does anyone have an actual service manual and or schematics for these scopes ?  If so, can you please share, as I have had no success finding one, and would greatly appreciate a copy, as using the 97 service manual has proved problematic on the digital side for all happening on this thread.  Making any real mods or repairs other than replacing visually compromised parts is proving difficult.  More than willing to pay for any expenses to make that happen.

Thanks

Chris
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #177 on: April 12, 2021, 08:31:52 am »
Old scopemeter serial link updating at 38400 rate with LV:



 

Offline chukin

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #178 on: April 13, 2021, 09:20:24 am »
Hi all

As the owner of a dead Fluke 96B I can only confirm Chris' comments and add my voice to his plea for anyone with a service manual to please make it available one way or another. Trying to repair using the 93/95/97 service manual - which is tantalizingly similar, but not quite enough be sure of the detail - is extremely frustrating.

Thanks in advance for any help

Peter
Modesty - my only failing!
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #179 on: May 01, 2021, 07:15:33 pm »
I´m trying to make a remote control, someone knows how is the QS answer encoded?

I attach a video, the first part is in scope mode pressing the move key, and the second in meter mode not key pressed.





« Last Edit: May 01, 2021, 07:54:53 pm by harrimansat »
 

Offline smaultre

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #180 on: May 02, 2021, 05:39:19 pm »
I also interested, how to get the serial number by terminal? Who knows any information?
Start a new life here!!!
 

Offline BradC

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #181 on: May 13, 2021, 05:50:47 am »
I have a 97 which I've just managed to resurrect : DM5570xxx. It has firmware version 3.20 (92-02-28).

Does anyone know if upgrading to V4 firmware requires a re-calibration, or will the saved cal constants from V3.2 work?
I'm waiting on parts to build an IR interface and while I pretty much have all the gear to re-calibrate it, I don't have a stable 300VDC source yet. It's more a "can I do it without having to go through the process"?

 

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #182 on: May 16, 2021, 08:44:29 am »
Hi Bradc,  I ran into cal issues with V4.05. constant warning bar about calibration. I think recalibration would work?.  I  managed to get V3.25 working without issues though.
see my earlier post #172.


 

Offline david69

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #183 on: June 28, 2021, 06:14:19 am »
Hi, I have firmware version 4.02 in PM97, it can be broken, due to bad behavior of
scopemeter, which I can reset /power-on+LCD/ but functions continue to beep...
There is one N28F010 flash which I tried replace by AM29C010B, which not working.
I enclose my file.bin, so Can I replace this file some working versions from this forum?
 

Offline Pete111

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #184 on: June 30, 2021, 04:11:30 am »
I have a printed service manual including schematics that covers the 92B,96B, 99B and 105B, all being series2. I don't know if there is much difference between series 2 and non series 2.
Also not sure of copyright implications of posting; nothing appears in the manual after having a quick flick through.

Regards,
Pete
 

Offline david69

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #185 on: July 01, 2021, 01:14:22 pm »
The processor S83C196KB has 8kByte EEPROM, there could be some way how
to refresh for 4.02 version in N28F010 ??
 

Online bdunham7

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #186 on: July 01, 2021, 02:21:44 pm »
I have a printed service manual including schematics that covers the 92B,96B, 99B and 105B, all being series2. I don't know if there is much difference between series 2 and non series 2.
Also not sure of copyright implications of posting; nothing appears in the manual after having a quick flick through.

I doubt it would be an issue at this point, but if you wanted to be absolutely sure, you could contact Fluke and ask for permission.  I'm sure the manual would be greatly appreciated as nobody has one AFAIK.
A 3.5 digit 4.5 digit 5 digit 5.5 digit 6.5 digit 7.5 digit DMM is good enough for most people.
 

Offline Tom D

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #187 on: July 02, 2021, 08:43:15 am »
I scanned my paper copy of the service manual for the 92B-96B-99B-105B Series II a few years ago using a cheap A4 scanner, so if you need to print any of the schematics, you need to tape the single A4 page sheets together. My manual contains the Supplement Issue #1 dated the 20th of October 1996 as well as the Supplement Issue #2 dated the 17th of November, 1996.

My manual PDF is almost 10 MB's in size so I can't attach it to this post as the limit is 4,000 KB. If someone can suggest how to get around this, please say so. Alternatively, those of you who need this, send me your email address in a PM, and if your mailbox can handle a 10 MB file, I will attach my PDF scan in an email to you.

Tom
 
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Offline BradC

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #188 on: July 02, 2021, 10:39:34 am »
Tom sent me the manual(s) to host :

http://www.fnarfbargle.com/private/210702-Fluke-92B-96B-99B-105B_SM/92B-96B-99B-105B_SM.pdf

Edit: And a later version of the non-B manual than I've seen anywhere including all the revision information for both hardware and firmware. Great quality scans, thanks Tom!
http://www.fnarfbargle.com/private/210702-Fluke_93-95-97_SM/93-95-97_SM.pdf
« Last Edit: July 02, 2021, 11:30:08 am by BradC »
 
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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #189 on: July 02, 2021, 06:25:23 pm »
wow!!!! Thanks!
 

Offline Trafo

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #190 on: July 06, 2021, 11:58:41 am »
Tom D & BradC

Many thanks for these manuals but I am still looking for a SM for the Fluke 98 Automotive Scopemeter (Series II).

Regards
Tom
 

Online mahi

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #191 on: July 16, 2021, 08:01:35 pm »
Tom D: Thank you for the Fluke ScopeMeter service manuals!

A bit off topic, but may I ask what software you used to scan the manuals? I'm impressed by the quality.

Offline Tom D

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #192 on: July 17, 2021, 05:04:50 pm »
G'day mahi,
   
I created those manuals back in 2003 and 2006, so I'm relying on my memory here. I’m no expert at this manual scanning stuff, however, I’ll try to fill you in on what has worked for me. These manuals were my first attempts at scanning paper manuals and converting to PDF files. I had to make do with a cheap parallel port scanner a friend of mine gave me after my old HP SCSI scanner cashed its chips in, although I have to admit, this parallel port piece of junk performed a fair amount of work before it too eventually entered into a state of rigor mortis. I’ve been reluctant to buy another quality unit as I’ve been trying to find a good, not too expensive A3 scanner. The software supplied with that parallel port scanner was so flaky, it barely ran on XP at the time without crashing, even requiring Windows re-starts when it locked up. I must've had the patience of Job to get through both manuals at that time.

I used the scanner software to create individual monochrome BMP images with the exception of the colour cover for the 93-95-97 Service Manual, which I'll address later. I did not use "Grey Scale" or whatever the scanner software may call it, instead opting for "Line Art, Black & White or Monochrome," again, whatever your software terms it. These "Line Art" images are considerably smaller than "Grey Scale" ones which will ultimately result in a smaller PDF file after conversion later. The drawback with "Line Art" images is that if your pages have photos or shaded schematics, for example, the shading may come out very light or even very dark, whereas pictures or photos will be pretty poor quality depending on how the shading or photo was originally printed. I scanned the pages at 400 dpi or even 300 dpi to further keep the BMP image relatively small. (I found no discernable difference between 300 and 400 dots per inch with this particular scanner). I also noticed that even "Colour" scanned images ended up being smaller than the "Grey Scale" ones at the same resolution with that parallel port piece of junk. Another plus with "Line Art" scans is the fact that the text on the other side of the page doesn’t show up through the page, particularly with thin pages. I never save the scanned image as a JPG because the file becomes a large PDF file after conversion. I know that sounds odd, however, PDF conversion from a larger BMP file resulted in a smaller PDF file with the method I used - there are exceptions, of course. If you do have colour schematic pages to scan, one option is to save them as colour BMP files, however, choose 256 or even 16 colours to keep the individual file sizes small to allow for smaller PDF files after conversion.

I used Adobe Photoshop to edit the individual BMP scans. You’ve probably noticed that there are no binder ring-hole dots on the pages of the manuals as I’ve removed them. It’s relatively quick and simple to remove these or other lines, imperfections and such, straight after each page is scanned, before saving the scanned BMP image through Photoshop as individual PDF files. I then opened the first page with Acrobat 7 and then insert all the pages to make up the manual. Bookmarks were added after the manual was compiled. I performed OCR on the compiled pages and selected "Reduce File Size" in Adobe Acrobat to arrive at a rather small PDF manual at around 10 MBs.

Regarding the colour cover of the 93-95-97 Service Manual, the scanned colour BMP image is just over 100 MBs. Directly converting this colour BMP image to PDF with Adobe Acrobat 9 results in a PDF file size of 1.15 MBs. Selecting "Reduce File Size" from the Toolbar Menu results in a file size of 194 KBs, a far cry from the original colour BMP scan of 100+ MBs. 

There are probably other simpler ways around this whole process, however, I haven’t experimented with them. I tend to get used to doing something a certain way and then sticking with that. Maybe I was taking a "shortcut" by travelling from Chicago to Detroit via Mexico City, but it worked for me at the time. There are other PDF creation programs out there; QuarkXPress is one that comes to mind, however, I’ve had no experience with it, so I can’t tell you anything about it.

I hope this helps, kind regards,

Tom
 
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Offline jellytot

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #193 on: October 09, 2021, 03:16:46 pm »
Hi. Does anyone know were I can source the 30 way flat cable that connects the analog and digital pcbs' on the pm97?  Thanks.
 

Offline DeckelHead

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #194 on: October 24, 2021, 11:04:48 pm »
I was wondering if anyone who has actually updated their OS can create an "Idiot's Guide to the Update" for us.... Although most of us are technically savvy, I would assume, a good number do not know anything about the Fluke command set. etc.  For instance, I have no idea if a specialized application is required to upload the new firmware.  There has been mention of a Fluke tool, but when I looked for it, I could not find it anywhere; it really wasn't so 'universal' after all.  :(  And there are some other open questions that I know I would like to understand before I embark on this journey.  Chief among these is.... Will the current calibration be retained over an update?  Although most of our scope probably are way out anyhow (considering that most calibration was probably done 30 years ago), it still is better than nothing.

Basically, I'd love to be able to have steps that I can follow where I can feel confident will actually result in a usable F97 and not a brick.  Right now I just don't feel confident in that.
 

Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #195 on: October 25, 2021, 06:36:43 pm »
With the tool created by Marrob is easy to change firmware, but calibration data is not compatible with some versions, 3.xx with 4.xx for example. If you have acces to a calibrator you can calibrete your scope/multimeter. If not is better dont do it. Anyway you can make a calibration data backup and return scope to original firmware. I have flash a B firmare in non B scope and it works. With the Marrob tools is you can always recover the scope.
 

Offline DeckelHead

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #196 on: October 26, 2021, 02:54:13 am »
Ah! Thank you!  When i was going over all of the pages of posts on the thread, I missed the one taking you to the other thread!  That helps a LOT.
 

Offline david69

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #197 on: October 31, 2021, 07:13:32 am »
This is working ID for broken scopemeter
 'nacteni identifikatoru pristroje.

    CLS                     'Clears the PC screen.
    OPEN "COM1:1200,N,8,1,CS,DS,RB2048" FOR RANDOM AS #1
    PRINT #1, "ID"          'Sends IDENTIFICATION query.
    GOSUB Acknowledge       'Input acknowledge from test tool.
    INPUT #1, IDENT$        'Inputs the queried data.
    PRINT IDENT$            'Displays queried data.
    CLOSE #1
    END

Acknowledge:
    INPUT #1, ACK           'Reads acknowledge from test tool.
    IF ACK <> 0 THEN
       PRINT "Error "; ACK; ": ";
       SELECT CASE ACK
         CASE 1
            PRINT "Syntax Error"
         CASE 2
            PRINT "Execution Error"
         CASE 3
            PRINT "Synchronization Error"
         CASE 4
            PRINT "Communication Error"
         CASE IS < 1
            PRINT "Unknown Acknowledge"
         CASE IS > 4
            PRINT "Unknown Acknowledge"
       END SELECT
       PRINT "Program aborted."
       END
    END IF
    RETURN

It is possible to use for programing flash???

 'nahrani flashe pristroje

    CLS                     'Clears the PC screen.
    OPEN "COM1:1200,N,8,1,CS,DS,RB2048" FOR RANDOM AS #1
    PRINT #1, "PF"                                                          'Sends program flash query.
    GOSUB Acknowledge                                                'Input acknowledge from test tool.
    INPUT "c:\qbasic\basic\dumb\97.bin" ; IDENT$  'Inputs the queried data.
    PRINT #1, IDENT$                                                   'Sends queried data.
    CLOSE #1
    END

Acknowledge:
    INPUT #1, ACK           'Reads acknowledge from test tool.
    IF ACK <> 0 THEN
       PRINT "Error "; ACK; ": ";
       SELECT CASE ACK
         CASE 1
            PRINT "Syntax Error"
         CASE 2
            PRINT "Execution Error"
         CASE 3
            PRINT "Synchronization Error"
         CASE 4
            PRINT "Communication Error"
         CASE IS < 1
            PRINT "Unknown Acknowledge"
         CASE IS > 4
            PRINT "Unknown Acknowledge"
       END SELECT
       PRINT "Program aborted."
       END
    END IF
    RETURN

Thanks for any idea...
 

Offline masterok

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #198 on: November 29, 2022, 02:54:19 pm »
Hi guys.
Maybe someone knows how to transfer calibration data of Fluke 97 memory from version 3.20 to version 4.02 and higher?
I extracted N28F010 memory chip, and put a socket instead. Now I can play with the dump.
It was also possible to read calibration data and flash memory of version 3.20.
I also found the location of the calibration data of version 4.
After re-flash device to version 4 by programmer, all additional functions appeared.
But when trying to insert calibration data from a dump 3.20 V 4, the device gives an error.
 

Offline zagor

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #199 on: January 14, 2024, 08:18:00 pm »
hello I am looking for the firmware version 4.02 of the fluke 97 scopemeter if anyone could help me. thank you
 

Offline harrimansat

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Offline harrimansat

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Re: Old Philips Fluke 97 / 96B (maybe others?)
« Reply #201 on: February 04, 2024, 07:52:09 pm »
Back light fix
 


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