Author Topic: List your test equipment "scores" here!  (Read 470572 times)

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Online kcbrown

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Re: List your test equipment "scores" here!
« Reply #1150 on: January 27, 2017, 12:08:51 pm »
Thanks a lot!  Now I have (or will have, once this arrives) 8 multimeters, and my wife has thrown me into the dog house outside, and I have to eat from the doggie bowl.   And the worst part is that the dog house isn't wired for power.

Ah, so now you need to buy some batteries, solar panels and charge controllers. You always wanted to get into solar power electronics, right? :-DD

The wife's garden looks like an awfully convenient location for a batch of solar panels ...   Muhuhahaha...  >:D
 

Offline TerraHertz

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Re: List your test equipment "scores" here!
« Reply #1151 on: January 29, 2017, 06:47:30 pm »
Pics:
1. Some assorted vacuum plumbing. Part of my recent windfall from a friend in Melbourne.
2. A nice electrically operated vacuum butterfly valve.
3. A cute, quite recent oil diffusion pump. It has a pneumatic butterfly valve at the working end, for better oil containment. So nice it's almost tempting to try it out, my dislike of diffusion pumps regardless.

This is not all of it.
Collecting old scopes, logic analyzers, and unfinished projects. http://everist.org
 
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Online Cubdriver

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Re: List your test equipment "scores" here!
« Reply #1152 on: January 29, 2017, 07:09:35 pm »
Vacuum sucks!!   :P :P

That is a cute little DP.  I definitely don't miss cleaning them!  The ones that pumped the ion source section in the implanters back in my Nat Semi days used to get pretty nasty as I recall.  Fun, fun!

Is there a chevron baffle below the valve?

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

Online Cubdriver

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Re: List your test equipment "scores" here!
« Reply #1153 on: January 29, 2017, 07:11:16 pm »
And are those Serto fittings I see on the water lines?   :o
If it jams, force it.  If it breaks, you needed a new one anyway...
 

Offline TerraHertz

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Re: List your test equipment "scores" here!
« Reply #1154 on: January 29, 2017, 09:40:25 pm »
And are those Serto fittings I see on the water lines?   :o

Ha, I had never heard of Serto, till I looked at the hoses just now. See pic.
I can't believe how clean this thing is. Even the coolant fittings are clean inside.


Quote
Vacuum sucks!!   :P :P
Jokes aside, trying to do it with 90% salvaged gear sucks even more.

Quote
Is there a chevron baffle below the valve?
There is a water cooled baffle below the butterfly valve. Don't know about 'chevron'. Hard to see it, even with the throat removed and valve open.

I haven't yet begun the manuals/data hunt for all this stuff. I'm sure it will be painful.

Edit: One WTF, is the 210V AC heater rating on the nameplate of the diffusion pump. Huh? Are they serious? I'd have to arrange a big transformer just for this? Or is it supposed to be phase controlled for temp reg, so that's nominal? I guess find and RTFM.
« Last Edit: January 29, 2017, 09:48:52 pm by TerraHertz »
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Offline SeanB

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Re: List your test equipment "scores" here!
« Reply #1155 on: January 29, 2017, 11:37:41 pm »
Just grab a mains transformer with a 240V primary, and a secondary of 24VAc at 3A. then connect it as an autotransformer, and you will have a tap with 210VAC and capable of supplying the 450W the heater needs.  If you can get one with a 220V primary only look for a 15-0-15VAC secondary at 4A, and use it instead.  I guess your local mains is going to be on the plus side of the 230VAC nominal, seeing as you have all the solar in the area, so it likely is always at around 240VAC.
 

Offline ralphrmartin

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Re: List your test equipment "scores" here!
« Reply #1156 on: January 31, 2017, 06:35:25 am »
Just got myself a previous generation Picoscope 3206 MSO direct from Picoscope themselves, brand new, for £300, by buying the previous generation model. Even if the sample rate is a bit low, it runs the latest software, and seems pretty good for most of the lowish speed stuff  I will be doing, with 16 digital channels. The Keysight alternative I was looking at was about 10 x the price..

 

Offline calin

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Re: List your test equipment "scores" here!
« Reply #1157 on: February 02, 2017, 05:24:10 pm »
Nice free one saved from going in the junk box.  Look @ ze ol' one going head to head with a GPSDO !!  that can't be right :)



Update ... it started showing 10000.000 !!! WHAAAT !!! That is crazy  :-+
« Last Edit: February 02, 2017, 05:31:53 pm by calin »
 

Offline xrunner

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Re: List your test equipment "scores" here!
« Reply #1158 on: February 03, 2017, 12:14:06 am »
Update ... it started showing 10000.000 !!! WHAAAT !!! That is crazy  :-+

Yea bigger numbers are cool - it's got to fill up the display with as many hertzes as possible.  :-+
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Offline bitseeker

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Re: List your test equipment "scores" here!
« Reply #1159 on: February 03, 2017, 03:49:23 am »
Nice free one saved from going in the junk box.  Look @ ze ol' one going head to head with a GPSDO !!  that can't be right :)

An excellent freebie, indeed! :-+
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Offline Ysjoelfir

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Re: List your test equipment "scores" here!
« Reply #1160 on: February 03, 2017, 05:52:32 am »
I went to a local flea market and picked up two of those beautys for only 50 bucks after haggling!!! :wtf: Just slightly scratched but overall in a very good condition! They were laying in a basket with mostly broken stuff like plates and cups and I only took a look because there was a test lead hanging out of the basket. :scared: :phew:



But why did those appear AFTER I have bought myself a Keysight DMM for around five times that much last week?  :palm:
Greetings, Kai \ Ysjoelfir
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Offline bitseeker

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Re: List your test equipment "scores" here!
« Reply #1161 on: February 03, 2017, 06:13:10 am »
Wow, that's quite a score (double-score). So, keep one and sell one to offset your much-more-expensive Keysight DMM?
I TEA.
 

Offline PointyOintment

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Re: List your test equipment "scores" here!
« Reply #1162 on: February 03, 2017, 01:48:58 pm »
Well here it is - nice bright display, seems to be in good condition. The white faceplate on the right side is a little yellowed, typical of of something that has been close to a window, but I can easily fix it with some peroxide the next time the sun is shining.  :clap:

Edit: Firmware is v2.2

[GW Instek GDM-8251A] Have you determined yet if it measures voltage and current simultaneously or interleaved?

Offline VK5RC

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Re: List your test equipment "scores" here!
« Reply #1163 on: February 03, 2017, 10:35:09 pm »
Nice free one saved from going in the junk box.  Look @ ze ol' one going head to head with a GPSDO !!  that can't be right :)



Update ... it started showing 10000.000 !!! WHAAAT !!! That is crazy  :-+
A great save, I like the large LED displays esp if done well with the right shade of perspex in front of the LED to reduce glare etc, I find so much more readable than LCD and just a bit better than fluorescent.
Whoah! Watch where that landed we might need it later.
 

Offline xrunner

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Re: List your test equipment "scores" here!
« Reply #1164 on: February 04, 2017, 01:49:49 am »
[GW Instek GDM-8251A] Have you determined yet if it measures voltage and current simultaneously or interleaved?

Yea I just tried a DVC & DCA test, its interleaved, takes both a voltage and current measurement each second.
I am a Test Equipment Addict (TEA) - by virtue of this forum signature, I have now faced my addiction
 

Offline TAMHAN

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Re: List your test equipment "scores" here!
« Reply #1165 on: February 04, 2017, 12:29:20 pm »
Kikusui DC Load. Not exactly cheap due to shipping and import cost, but well needed  :box: :box:
Feel like some additional tamile wisdom? Visit my YouTube channel -> https://www.youtube.com/user/MrTamhan for 10min tid-bits!
 

Online nctnico

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Re: List your test equipment "scores" here!
« Reply #1166 on: February 04, 2017, 12:48:48 pm »
Kikusui DC Load. Not exactly cheap due to shipping and import cost, but well needed  :box: :box:
Which model? Photos? I was eyeballing some older Kikusui DC loads but decided not to buy them. Maybe that was a mistake... or not...
« Last Edit: February 04, 2017, 12:50:19 pm by nctnico »
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Offline Jester

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Re: List your test equipment "scores" here!
« Reply #1167 on: February 05, 2017, 02:39:17 am »
I have two Kikusui DC Loads. I'm a fan of this old school equipment in that you turn it on, and its ready to use immediately, and you don't have to hunt around a keypad when setting a value. Very simple to use 10 turn pot to adjust desired current level.

I retrofitted the smaller PLZ 72W I have with a cheap eBay dual display so I can see load voltage and current simultaneously. The larger Kikusui load I have already had dual displays. My only complaint is that the fan is a bit noisy.

I'm still considering picking up one of the more modern Maynuo DC loads.
 

Offline Ysjoelfir

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Re: List your test equipment "scores" here!
« Reply #1168 on: February 05, 2017, 03:21:26 am »
Wow, that's quite a score (double-score). So, keep one and sell one to offset your much-more-expensive Keysight DMM?
That would be an option. But... hmm.. That would mean that I would have to sell Test Equipment :O Impossibru!
Greetings, Kai \ Ysjoelfir
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Offline xrunner

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Re: List your test equipment "scores" here!
« Reply #1169 on: February 05, 2017, 04:40:51 am »
Picked up a very nice HP 3468B. Has the battery option but of course the battery is dead and I have no intention of replacing it (but I am removing it). Nonetheless, it's in great condition and satisfies my desire to collect more DMMs than I have any real need for.  :)
I am a Test Equipment Addict (TEA) - by virtue of this forum signature, I have now faced my addiction
 

Online guenthert

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Re: List your test equipment "scores" here!
« Reply #1170 on: February 05, 2017, 06:26:23 am »
Nice free one saved from going in the junk box.  Look @ ze ol' one going head to head with a GPSDO !!  that can't be right :)



Update ... it started showing 10000.000 !!! WHAAAT !!! That is crazy  :-+
Congratulations to your HP5328B with option 010.  I'd think you must have the oven stabilized oscillator option (unless you 'timed' the picture just right ;-) , as the standard oscillator is just so-so (TC of 2.5ppm/C).  I don't mind, as my 5328A is fed a reference clock from a GPSDO.  And yes, short term, there's no reason why an ovenized oscillator shouldn't be able to compete with a GPSDO (after all, that's what they use too).
 

Offline apelly

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Re: List your test equipment "scores" here!
« Reply #1171 on: February 05, 2017, 08:42:09 am »
I know of at least 2 probe Asian probe manufacturers
Prove it  :)
I'd rather a Google clue, link, or some theory than "do this" (generally)
 

Offline tautech

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Re: List your test equipment "scores" here!
« Reply #1172 on: February 05, 2017, 08:53:46 am »
I know of at least 2 probe Asian probe manufacturers
Prove it  :)
When you drop by for that shoot we talked about I will, but not publically, I need to protect my product sources and some small commercial advantage.  ;)

A bit of time spent x referencing what's available on eBay and Aliexpress and from manufacturers will find them too.
In fact I'll raise that to 3.  :P
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Online Berni

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Re: List your test equipment "scores" here!
« Reply #1173 on: February 05, 2017, 10:41:26 am »
Scored this Tektronix CSA907T Pattern generator for 40 bucks.

Teardown thread: https://www.eevblog.com/forum/testgear/tektronix-csa907t-pattern-generator(700mbit)-teardown-and-repair/



 

Offline calin

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Re: List your test equipment "scores" here!
« Reply #1174 on: February 05, 2017, 01:48:00 pm »


Quote
Congratulations to your HP5328B with option 010.  I'd think you must have the oven stabilized oscillator option (unless you 'timed' the picture just right ;-) , as the standard oscillator is just so-so (TC of 2.5ppm/C).  I don't mind, as my 5328A is fed a reference clock from a GPSDO.  And yes, short term, there's no reason why an ovenized oscillator shouldn't be able to compete with a GPSDO (after all, that's what they use too).
Yes it has two options installed, 001 which is the OCXO and 050 which is the 1.3GHz C channel and DVM. the DVM part is a tad off compared to my FLUKE meter but seem to be able to measure voltage on the other input channels that go to 100Mhz , I wonder if it really measures AC at that frequency, that would be pretty slick... Time to RTFM i guess. [/size]Now only if this thing wold not take up a quarter of my bench.... But that may be solved by letting it to take off and fly .. it sounds like a jet plane ready to take off :) .

 


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