Author Topic: Test Equipment Anonymous (TEA) group therapy thread  (Read 18605944 times)

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Offline Brumby

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84325 on: March 03, 2021, 11:25:43 am »
Hi guys
My name is Chris and I am an addict.

I have the chance to buy a recently calibrated keithley 2001 for about $1400.

The thing is that this year I have already bought an 196 multimeter, a 617 electrometer and a 224 current source.

Should I go ahead? Any thoughts?

If your current equipment satisfies your needs, then no.
Heretic!


Quote
That will leave money for all sorts of very different (and interesting) test equipment  >:D Start with being able to measure V-vs-t (scope), then V-vs-f (spectrum analyser), then f-vs-t (modulation domain analyser).

For that you will of course need accurate V, f, and t sources, heh heh heh. Plus accurate resistors and capacitors, heh heh heh.

For digital signals you will need a logic analyser and pattern generator.
Well.... OK.  Good save.

Quote
BTW, welcome to the intermediate-level nuthouse. For serious nuts, head over to the voltnut and timenut mail lists.
Even I don't dare venture there....


(yet)
 
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Offline BU508A

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84326 on: March 03, 2021, 11:38:28 am »
Anyone here from the general Munchen area?

* BU508A is pointing to Zucca.
“Chaos is found in greatest abundance wherever order is being sought. It always defeats order, because it is better organized.”            - Terry Pratchett -
 
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Offline khs

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84327 on: March 03, 2021, 11:44:42 am »
Order replacements for the repair
But only at Mouser because they are fair
Delivered by UPS because they care
About parcels on the run

Hmmmm...

UPS was perfect. But at the moment I would not agree 100%.
- It looks one delivery of pc-boards lost (shipment from multi-cb just four Km from me). |O
- Next (local) shipment from Bürklin tracking says look tomorrow again, some hours later UPS is ringing at the door.  :phew:
- At the moment I'm waiting for a Digikey shipment. Today four days delay.>:(
- Because my customer need the units urgently I'm going to make the same (not really cheap) order from Mouser. :scared:
- Mouser ships via FedEx to Germany...
 

Offline greasemonkey

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84328 on: March 03, 2021, 11:57:45 am »
Thanks for your support guys.

Do you have enough income to pay rent/mortgage and food? If yes then that's all you need and the answer is "yes", buy the Keithley.  :-DD

Dough is not really an issue. The kids don't need that much meat anyway.  :-DD

If your current equipment satisfies your needs, then no.

That will leave money for all sorts of very different (and interesting) test equipment  >:D Start with being able to measure V-vs-t (scope), then V-vs-f (spectrum analyser), then f-vs-t (modulation domain analyser).

For that you will of course need accurate V, f, and t sources, heh heh heh. Plus accurate resistors and capacitors, heh heh heh.

For digital signals you will need a logic analyser and pattern generator.

BTW, welcome to the intermediate-level nuthouse. For serious nuts, head over to the voltnut and timenut mail lists.

Well my illness is deeper that you think.
Here is part of my TE status: HP 8568A Spectrum Analyser, HP 35665A Dynamic signal analyser, 2 x 34970A Data loggers, 2 x PM2535 Multimeters, Keithley 601 and 617 Electrometers, 224 Current source, SDS2104X Plus Oscilloscope.

My current interests are low level measurements and metrology but I end up buying and repairing TE most of the time.

Another question that I have is why is the 2001 still more expensive than the DMM7510?

And by the way what kind of support group are you? It's like encouraging an alcoholic to drink.  :-DD
My moderately uninteresting blog: https://btbm.ch
 
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Offline med6753

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84329 on: March 03, 2021, 12:04:16 pm »


And by the way what kind of support group are you? It's like encouraging an alcoholic to drink.  :-DD

You're a fast learner.  :P :P :-DD
An old gray beard with an attitude.
 

Offline Zucca

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84330 on: March 03, 2021, 12:05:21 pm »
Talking of this, annoyingly I missed a Keithley 2001 the other day for £250. Still in calibration as well apparently  >:(. LM399 but good enough  :-DD

This is so sad....
Can't know what you don't love. St. Augustine
Can't love what you don't know. Zucca
 

Offline Zucca

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84331 on: March 03, 2021, 12:07:17 pm »
Anyone here from the general Munchen area?

ME! Do you trust italians?  8)
Can't know what you don't love. St. Augustine
Can't love what you don't know. Zucca
 
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Offline Zucca

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84332 on: March 03, 2021, 12:20:52 pm »
I have the chance to buy a recently calibrated keithley 2001 for about $1400.

Pull the emergency brake. I would go for a modern 6.5 DMM with that money and even save some.
Do you really need 7.5? If yes the 2001 is a stop gap solution today. It is accurate but noisy like hell, and it is kind of a sick baby by design (wrong voltage rating on elco caps, funny thermal management, prone to leak acid on the board).

Here some fresh ideas:

https://www.instrumex.de/en/8165

https://www.instrumex.de/en/6818
Can't know what you don't love. St. Augustine
Can't love what you don't know. Zucca
 
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Offline BU508A

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84333 on: March 03, 2021, 12:33:18 pm »
I have the chance to buy a recently calibrated keithley 2001 for about $1400.

Pull the emergency brake. I would go for a modern 6.5 DMM with that money and even save some.
Do you really need 7.5? If yes the 2001 is a stop gap solution today. It is accurate but noisy like hell, and it is kind of a sick baby by design (wrong voltage rating on elco caps, funny thermal management, prone to leak acid on the board).

Here some fresh ideas:

https://www.instrumex.de/en/8165

https://www.instrumex.de/en/6818

Aha, soso, another Instrumex observer  :-DD

And, of course, this one here:

https://www.instrumex.de/en/412

Btw, I've bought my DMM7510 at Instrumex in 2016.  8)
“Chaos is found in greatest abundance wherever order is being sought. It always defeats order, because it is better organized.”            - Terry Pratchett -
 

Offline bd139

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84334 on: March 03, 2021, 12:45:25 pm »
Bought a scope. Telequipment  :scared:

D755 which is government issue D75 which is smaller D83. Appears to be working. Time will tell
« Last Edit: March 03, 2021, 12:48:38 pm by bd139 »
 
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Offline khs

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84335 on: March 03, 2021, 12:46:26 pm »
Anyone here from the general Munchen area?

ME! Do you trust italians?  8)

It is known Munich is at the north of Italy. Everyone can see it at at the pizzerias and ice cream parlors.
They speak German like at Bozen by example..
 

Offline Ice-Tea

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84336 on: March 03, 2021, 12:50:01 pm »
Anyone here from the general Munchen area?

ME! Do you trust italians?  8)

It is known Munich is at the north of Italy. Everyone can see it at at the pizzerias and ice cream parlors.
They speak German like at Bozen by example..

I'm deeply confused. I though you're italian? And aren't you the guy who moved to the US?
 

Offline Ice-Tea

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84337 on: March 03, 2021, 12:52:12 pm »
Anyone here from the general Munchen area?

ME! Do you trust italians?  8)

It is known Munich is at the north of Italy. Everyone can see it at at the pizzerias and ice cream parlors.
They speak German like at Bozen by example..

I only know Munchen from the monstrous trafic jams comes ski-season.
 

Offline Zucca

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84338 on: March 03, 2021, 01:03:45 pm »
I'm deeply confused. I though you're italian? And aren't you the guy who moved to the US?

I am and will be italian forever, funny enough I love to jump to country to country every 4-5 years.
Right now I am in Munich but in a few month... boom I will show up in the USA clean.



The plan is to end up in Zihuatanejo...
Can't know what you don't love. St. Augustine
Can't love what you don't know. Zucca
 

Offline mnementh

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84339 on: March 03, 2021, 01:06:00 pm »
So, which is more irritating, and why?


The AVO for sure, by a mile.

The phone desklamp actually has some kitsch charm; and being as there's almost no place left in the world where it could serve its intended purpose, it really is a useless bit of flotsam. Not rare enough to be a museum piece, so all it has going for it is the nostalgia factor.

Tha AVO still has value for its intended purpose, provided it hasn't been totally scorched to death... and the "artisan" didn't even get the mod right: you're supposed to turn the effing thing upside-down so you can see the "AVO smile".   :o

That thing is just 6 kinds of wrong... plus now I have these visions of both of them winding up in some museum 1000 years from now like in Futurama or Mortal Engines and being somehow representative of our generation. :palm:

mnem
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Offline mnementh

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84340 on: March 03, 2021, 01:13:25 pm »

Damn you bean... damn you to hell.  ;)

mnem
« Last Edit: March 03, 2021, 01:18:22 pm by mnementh »
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Offline greasemonkey

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84341 on: March 03, 2021, 01:19:46 pm »
Pull the emergency brake. I would go for a modern 6.5 DMM with that money and even save some.
Do you really need 7.5? If yes the 2001 is a stop gap solution today. It is accurate but noisy like hell, and it is kind of a sick baby by design (wrong voltage rating on elco caps, funny thermal management, prone to leak acid on the board).

Here some fresh ideas:

https://www.instrumex.de/en/8165

https://www.instrumex.de/en/6818

One of the justifications I give to my self for buying something I do not need  :palm: is that with a 7.5 digit multimeter I can calibrate all my other multimeters.

And I agree. In practice I rarely use my 5(!) 6.5 digit multimeters, only for experiments and computer controlled measurements. I mostly use my Fluke 45 and 87V. Maybe I should wait a bit and go for a DMM7510.

Does anyone have a thought about why would one prefer the 2001 over the 7510?
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Offline Ice-Tea

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84342 on: March 03, 2021, 01:22:34 pm »
I'm deeply confused. I though you're italian? And aren't you the guy who moved to the US?

I am and will be italian forever, funny enough I love to jump to country to country every 4-5 years.
Right now I am in Munich but in a few month... boom I will show up in the USA clean.



The plan is to end up in Zihuatanejo...

Ah, well, ahem, where do you stand on the subject of minor road trips?
 

Offline Zucca

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84343 on: March 03, 2021, 01:28:20 pm »
My car is not sold yet, so I can drive


« Last Edit: March 03, 2021, 01:32:32 pm by Zucca »
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Offline mnementh

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84344 on: March 03, 2021, 01:28:54 pm »
And by the way what kind of support group are you? It's like encouraging an alcoholic to drink.  :-DD
You're a fast learner.  :P :P :-DD

Welcome to the nut-hatchery. Ummm.... yeah. Coming here to combat your TEAddiction would be like an alcoholic stopping at Cheers every night on the way home from work.



mnem
But hey... sometimes you just wanna go where everybody knows your name. ;)
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Offline BU508A

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84345 on: March 03, 2021, 01:29:30 pm »
Does anyone have a thought about why would one prefer the 2001 over the 7510?

Have you seen this thread?
https://www.eevblog.com/forum/testgear/7-5-digit-bench-dmms-comparison/
“Chaos is found in greatest abundance wherever order is being sought. It always defeats order, because it is better organized.”            - Terry Pratchett -
 
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Offline Specmaster

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84346 on: March 03, 2021, 01:30:29 pm »
Bought a scope. Telequipment  :scared:

D755 which is government issue D75 which is smaller D83. Appears to be working. Time will tell
Haha, back in the rabbit hole, its dark in here but your welcome... :-DD
Who let Murphy in?

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Offline Zucca

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84347 on: March 03, 2021, 01:31:03 pm »
Does anyone have a thought about why would one prefer the 2001 over the 7510?

2001 we know everything even secret menu, FW EPROM Images and schematics. Good device to play and mess around with.
« Last Edit: March 03, 2021, 01:33:15 pm by Zucca »
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Offline mansaxel

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84348 on: March 03, 2021, 01:31:09 pm »

- Because my customer need the units urgently I'm going to make the same (not really cheap) order from Mouser. :scared:
- Mouser ships via FedEx to Germany...

My experience with Mouser to the EU is generally good. They average around 4 days to my pick-up point.  Elfa which is like Bürklin or RS but in Sweden are not much faster, since they use the Distrelec network to ship from warehouses around Europe. Also, they closed their last physical shop, in the old main office just at the end of 2020. Which is sad. Because they had a lot of things OTC.

Offline Ice-Tea

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #84349 on: March 03, 2021, 01:42:51 pm »
My car is not sold yet, so I can drive




Very accurate poster. Will get in touch shortly ;)
 


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