Author Topic: Show your Multimeter!  (Read 328197 times)

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Offline Neomys Sapiens

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Re: Show your Multimeter!
« Reply #825 on: February 10, 2018, 12:55:05 pm »
@Ciccio: As you seem to be quite knowledgeable on this topic, how are they (ICE/Cassinelli) related to Chinaglia and Pantec? (Like, is the Cortina related by design to the later Pantec's?)
And how comes that the ICE and the Cassinelli share so many features, which are not commonly used in other multimeters (switchless, jack size, range doubler pushbutton, layout).

Also, I have a very specific problem with a T&M instrument from Italy: I own a 'fast transient monitor' from the deceased company 'Ingeneria Guido Gay', the FTM30.
If it is of comparable quality like his memory voltmeters (which I use), it should be good. That feller was a analogue wizard and designer of nice instruments! But I have been unable to find ANY information about it! Even to check it out, would need some manual. Any idea? I would be sincerely delighted!

 

Offline Insatman

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Re: Show your Multimeter!
« Reply #826 on: February 10, 2018, 04:53:29 pm »




*chuckle*

Seriously, I have two Fluke 77's that are probably 20 years old, work great, are still in cal, and I see no need to replace them.
(and yes, that's really one of my meters in the photo)

Now that is a vintage DVM!
Retired Pulsed Power Engineer/Physicist...now I just dabble in electronics
 

Offline Cubdriver

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Re: Show your Multimeter!
« Reply #827 on: February 10, 2018, 06:29:35 pm »




*chuckle*

Seriously, I have two Fluke 77's that are probably 20 years old, work great, are still in cal, and I see no need to replace them.
(and yes, that's really one of my meters in the photo)

Now that is a vintage DVM!

It's a beautiful thing!   :-+ :-+



-Pat
If it jams, force it.  If it breaks, you needed a new one anyway...
 

Offline tigr

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Re: Show your Multimeter!
« Reply #828 on: February 10, 2018, 09:45:33 pm »
My working multimeter for electronics repair. :)
 

Online ciccio

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Re: Show your Multimeter!
« Reply #829 on: February 10, 2018, 11:11:44 pm »
@Ciccio: As you seem to be quite knowledgeable on this topic, how are they (ICE/Cassinelli) related to Chinaglia and Pantec? (Like, is the Cortina related by design to the later Pantec's?)
And how comes that the ICE and the Cassinelli share so many features, which are not commonly used in other multimeters (switchless, jack size, range doubler pushbutton, layout).

Also, I have a very specific problem with a T&M instrument from Italy: I own a 'fast transient monitor' from the deceased company 'Ingeneria Guido Gay', the FTM30.
If it is of comparable quality like his memory voltmeters (which I use), it should be good. That feller was a analogue wizard and designer of nice instruments! But I have been unable to find ANY information about it! Even to check it out, would need some manual. Any idea? I would be sincerely delighted!
I'm sorry, but I do not know much: Chinaglia and Pantec (Carlo Gavazzi) were located not in Milan (or near Milan) like ICE and Cassanelli, but in the east of Italy (Belluno).
The layout and special functions were, to what I understand, selected for differentiating from other European manufacturers.
I never heard about "Ingegneria Guido Gay". I did a quick search and found this page  http://www.underwateracademy.org/it/press-area/archivio-news/16-biografie-tridenti/1980-1989/140-1985-guido-gay.html where is reparted about a submarine robot and the discovery if a WW2 wrech, but I don't know if he is the same Guido Gay.
Best regards
« Last Edit: February 10, 2018, 11:18:18 pm by ciccio »
Ciccio

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Offline Analog

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Re: Show your Multimeter!
« Reply #830 on: February 12, 2018, 07:19:05 am »
At present I have two meters. I'm waiting on a 121GW that I expect will become my most used meter. The 34970A unit has a 6-1/2 DMM that can scan multiple inputs. I have a few switching cards too. It's very handy for testing designs because I can connect several nodes and then scan them as I vary inputs or loads and log over time with temperature. I bought it for that purpose. I most often use the Fluke for general tasks but I'm ready to move up to the 121GW.

 

Online SeanB

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Re: Show your Multimeter!
« Reply #831 on: February 14, 2018, 06:54:53 am »
Well, wanted a new 15V battery for the Avo8, and did not want to buy an expensive one online. so, looked around, and took 5 CR2025 cells, some PTFE sheet and some scrap brass from a well cooked socket outlet, and some thin heat shrink sleeves.Now have a nice 15v battery replacement that should last at least 10 years in use, plus the zero adjustment is now at the point that should give a maximum battery life.

Now to await the slow boat from China with the AA converters to replace the D cell for the other ranges.
 
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Offline Neomys Sapiens

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Re: Show your Multimeter!
« Reply #832 on: February 14, 2018, 08:41:24 am »
Also, I have a very specific problem with a T&M instrument from Italy: I own a 'fast transient monitor' from the deceased company 'Ingeneria Guido Gay', the FTM30.
If it is of comparable quality like his memory voltmeters (which I use), it should be good. That feller was a analogue wizard and designer of nice instruments! But I have been unable to find ANY information about it! Even to check it out, would need some manual. Any idea? I would be sincerely delighted!

I never heard about "Ingegneria Guido Gay". I did a quick search and found this page  http://www.underwateracademy.org/it/press-area/archivio-news/16-biografie-tridenti/1980-1989/140-1985-guido-gay.html where is reparted about a submarine robot and the discovery if a WW2 wrech, but I don't know if he is the same Guido Gay.
Best regards
It is the right guy that you've found. Also 'Gay Misuratori Elettronici' is the correct company name.
That he was active in underwater robotics was not known to me before.
Here are my two MTA memory voltmeters (peak voltmeters) from his company:
But for those I have documentation. The other two pictures show the FTM, whose case remains, unfortunately, unsolved.
 

Offline BravoV

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Fluke 87V 189 287
« Reply #833 on: February 14, 2018, 02:57:36 pm »
Acquired recently the 189, post here as a reference for sizes comparison between popular models.

Presenting the BBB, the Beast, the Beauty and the Brick ?  :-DD
 

Offline nanofrog

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Re: Fluke 87V 189 287
« Reply #834 on: February 14, 2018, 03:09:35 pm »
Presenting the BBB, the Beast, the Beauty and the Brick ?  :-DD
I like it.  ;D
 

Offline Helix70

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Re: Show your Multimeter!
« Reply #835 on: February 14, 2018, 04:49:09 pm »
The 87 is the beast or the beauty?
 

Offline BravoV

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Re: Show your Multimeter!
« Reply #836 on: February 14, 2018, 05:26:29 pm »
The 87 is the beast or the beauty?

The honor to decide which is which, is yours.   :P
 

Offline Helix70

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Re: Show your Multimeter!
« Reply #837 on: February 14, 2018, 05:37:29 pm »
Ok, Beauty, Beast, Brick in that order :)
 

Online Gyro

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Re: Show your Multimeter!
« Reply #838 on: February 14, 2018, 11:36:01 pm »
Also, I have a very specific problem with a T&M instrument from Italy: I own a 'fast transient monitor' from the deceased company 'Ingeneria Guido Gay', the FTM30.
If it is of comparable quality like his memory voltmeters (which I use), it should be good. That feller was a analogue wizard and designer of nice instruments! But I have been unable to find ANY information about it! Even to check it out, would need some manual. Any idea? I would be sincerely delighted!

I never heard about "Ingegneria Guido Gay". I did a quick search and found this page  http://www.underwateracademy.org/it/press-area/archivio-news/16-biografie-tridenti/1980-1989/140-1985-guido-gay.html where is reparted about a submarine robot and the discovery if a WW2 wrech, but I don't know if he is the same Guido Gay.
Best regards
It is the right guy that you've found. Also 'Gay Misuratori Elettronici' is the correct company name.
That he was active in underwater robotics was not known to me before.
Here are my two MTA memory voltmeters (peak voltmeters) from his company:
But for those I have documentation. The other two pictures show the FTM, whose case remains, unfortunately, unsolved.

You've just reminded me that I have one of those MTA memory voltmeters stashed at the back of the cupboard. The battery is obviously shot (again - I replaced it when I got it, about 25 years ago but it hasn't been charged since :palm:). The only documentation I have on it so far is the spec... http://helmut-singer.de/pdf/gaymta.pdf.

Regarding your FTM, they appear to have made (at least) two mains voltage monitors, the LVA and an 'unknown' model - that's from the Telford Electronics manuals list... http://www.telford-electronics.co.uk/manual.php?alpha=g. They might possibly be able to help you.


EDIT:
I've spotted a listing for an FTA (Fast Transient Monitor) on ebay, maybe the seller has some information? https://www.ebay.co.uk/itm/Fast-Transient-Monitor-FTM/222411921416?hash=item33c8c89808:g:L1cAAOSwWxNYpdVj. A nice looking piece of equipment, sounds ex-MOD.

EDIT: Well the MTA still works and reads fine after all these years. The battery is well gone (longer than I thought since I changed it, datecode 1989!). Very few electrolytics in there, but the Orange one looks pretty sad. While I had it apart, it seemed worth taking a couple of snaps (outer metal shell removed + inner isolated case lids)...
« Last Edit: February 15, 2018, 03:08:55 am by Gyro »
Chris

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Offline Neomys Sapiens

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Re: Show your Multimeter!
« Reply #839 on: February 15, 2018, 07:31:00 am »
Yup, it's a really nice instrument.
Should you need the manual (with diagram) of the MTA, that could be arranged. But only if not too pressing, as I'm quite swamped with things to do.

As for the FTM, the offered one has pics showing the special (reverse Lemo?) input connectors. When I saw them first, I thought about replacing them, but their inner side is under a massive soldered copper sheet cover which clearly says 'magic - keep out or be damned'.
 

Online Gyro

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Re: Show your Multimeter!
« Reply #840 on: February 15, 2018, 08:18:38 am »
Quote
Should you need the manual (with diagram) of the MTA, that could be arranged. But only if not too pressing, as I'm quite swamped with things to do.

That's very kind of you, thanks! No, it's absolutely not pressing (it still works) but it would be nice to match it up with a scan of the manual.  I could upload it to KO4BB too, if you have no objection.

I hope you have some luck with the FTM. Those look like the same connectors as the MTA (luckily mine came with a lead). Yes I suspect that they are Lemo triax but I haven't managed to identify which one. Now all I need to do is find the MTA mains lead, I tested it earlier by jumpering the battery. It's a non-standard mains connector - I just hope I haven't forgotten what it was for in past years and 'salvaged' the cable.  :palm:

Thanks again,

Chris

Edit: Aha, looking on ebay, there seem to be a lot of Lemo triax connectors - and strangely, they're all in Germany!  :) There appear to be sizes 0s, 1s, and 2s though, so a little bit of research needed. Not ridiculously expensive though. https://www.ebay.co.uk/sch/i.html?_from=R40&_sacat=0&_nkw=lemo+triax&LH_PrefLoc=2&_sop=15 There are some copies from China too.


LATER EDIT: I have uploaded the GAY MTA manuals to KO4BB. Thanks again to Neomys Sapiens for scanning them!  :-+  http://www.ko4bb.com/getsimple/index.php?id=manuals&dir=06_Misc_Test_Equipment/GAY
« Last Edit: March 21, 2018, 10:39:21 pm by Gyro »
Chris

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Offline neo

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Re: Show your Multimeter!
« Reply #841 on: February 15, 2018, 08:21:09 am »
A hopeless addict (and slave) to TEA and a firm believer that high frequency is little more than modern hoodoo.
 

Offline tigr

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Re: Show your Multimeter!
« Reply #842 on: February 15, 2018, 10:39:47 am »
My old, kind friend. How many times he helped me in different situations. :)
 

Offline hussamaldean

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Re: Show your Multimeter!
« Reply #843 on: February 15, 2018, 11:10:18 pm »
 

Offline willb

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Re: Show your Multimeter!
« Reply #844 on: February 15, 2018, 11:52:09 pm »




*chuckle*

Seriously, I have two Fluke 77's that are probably 20 years old, work great, are still in cal, and I see no need to replace them.
(and yes, that's really one of my meters in the photo)

Now that is a vintage DVM!

The 3440a is cool, but its grandfather is even cooler  8)
 
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Offline Cubdriver

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Re: Show your Multimeter!
« Reply #845 on: February 16, 2018, 03:43:45 am »
*chuckle*

Seriously, I have two Fluke 77's that are probably 20 years old, work great, are still in cal, and I see no need to replace them.
(and yes, that's really one of my meters in the photo)

Now that is a vintage DVM!

The 3440a is cool, but its grandfather is even cooler  8)

And it autoranges, too!

-Pat
If it jams, force it.  If it breaks, you needed a new one anyway...
 

Offline Insatman

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Re: Show your Multimeter!
« Reply #846 on: February 16, 2018, 02:14:07 pm »
Never seen one before...cool :-+
Retired Pulsed Power Engineer/Physicist...now I just dabble in electronics
 

Offline Sehsuan

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Re: Show your Multimeter!
« Reply #847 on: February 18, 2018, 02:26:38 pm »
Here's my Hyelec/Peakmeter PM8236 and PM2028B.

By the way, is it safe to replace the 250V/600mA and 250V/10A fuses in the PM8236 with 1000V fuses of the same current rating?

I've asked the manufacturer and the answer was "yes", but I'd like to seek reassurances from everyone... thank you!
Using Hyelec/Peakmeter PM8236 & PM2128 currently
 

Offline tigr

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Re: Show your Multimeter!
« Reply #848 on: February 18, 2018, 09:49:39 pm »
My analog multimeter has a beeper. Very useful function.
 

Offline Martin.M

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Re: Show your Multimeter!
« Reply #849 on: February 21, 2018, 03:47:46 am »
Keithley, 160  :)
 


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