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Test Equipment Anonymous (TEA) group therapy thread

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beanflying:
It had to be done I guess  >:D

Dead Bug styling under 10mm ID

https://youtu.be/7_-zo9bFoS0

Specmaster:
I have an automated reply from RS regarding the missing meter, saying that they aim to get me an answer within 1 working day. Humph considering I sent the email yesterday at 12:28 and the reply came in this morning at 08:03 suggests that it isn't an automated reply after all? Its now 16 days since placing the order for the re-calibration  :palm:

Meanwhile on other news I think I must becoming a volt nut seeing as I have snapped up this new calibrator on the Bay which normally sells for around £250 mark and I got it for £55, bargain.

tggzzz:

--- Quote from: Specmaster on May 18, 2018, 09:31:58 am ---Meanwhile on other news I think I must becoming a volt nut seeing as I have snapped up this new calibrator on the Bay which normally sells for around £250 mark and I got it for £55, bargain.

--- End quote ---

+-(200ppm+2) is a start ;)

mnementh:

--- Quote from: beanflying on May 18, 2018, 09:16:17 am ---


It had to be done I guess  >:D

Dead Bug styling under 10mm ID

[VIDEO OMITTED]

--- End quote ---



Hmmm... reminds me very much of a 1KHz oscillator project I built when I was in school... I made it to go inside one of these as a signal injector for troubleshooting audio amplifiers. A nice side-effect was that it would drive a speaker to audible levels if the wires were placed across the power switch. My first version was a simple push-pull sawtooth with MPS2222s on a strip of breadboard; later I redesigned around the LM358 to be able to get sine output. That I built dead-bug and just epoxy-potted a sailmaker's needle between the IC and nose of the light. That was a lot harder to fit as I needed to make room for 2 AAs; the transistor version worked down to 1.3 volts or so off a single AA.

Hmmm.... nowadays I could do something similar with a micro and run it off a 14500 Li cell...


mnem
Damn you bean!!!  :-DD

Specmaster:
I had a phone call this afternoon from RS reference my 3478A. Apparently they say that the meter is a very poorly one and they have tried 3 times to get it calibrated and it always reads low so that they cannot give it a serial number for the certificate :wtf:

They said that it was also to old to repair  :wtf: I was chatting a nice lady in the calibration dept about this so I asked her how low was it reading and that if is was a few mV away that it would acceptable as I don't need to it be absolutely 100% spot on, if its 99.6% or better thats good enough. She kept trying to get me to have a look at their range of meters and if I found a suitable one that they would calibrate it. I explained that if I was in a position to be able to afford anew meter, why would I be buying a 30 year old one?

Anyway, I have send her the photos that show what it was reading against my AD584-M voltage module and explained that if they can get it back to those reading it would good enough for my purposes so now its waiting to what happens on Monday. :palm:

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