Author Topic: Who Has The Best Home-Made 10Vdc Reference?  (Read 4405 times)

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Offline CalibrationGuyTopic starter

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Re: Who Has The Best Home-Made 10Vdc Reference?
« Reply #25 on: June 02, 2024, 09:12:17 pm »
He has a unique ability to be funny while discussing highly technical issues which don't really lend themselves to humor.

TomG.
 

Online Whales

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Re: Who Has The Best Home-Made 10Vdc Reference?
« Reply #26 on: June 03, 2024, 12:44:58 am »
It's not PPM material, but my AD2712 is useful 10VDC ref for checking my multimeters.  Not sure if I fit in here  :-[

I thought my Extech was under-reading by much more than 1%.  Hmm.  I wonder if each set of range resistors can go bad independently. 

EDIT: I previously thought the Extech MN16 was horribly under-reading when testing AA batteries but perhaps I was imagining it, now it seems to be only 1.2% different from the Parameters 7080B when testing a 1.38V AA.
EDIT2: I don't know how to calibrate it, there are 6 pots inside and no documentation  :(
« Last Edit: June 03, 2024, 12:53:22 am by Whales »
 

Offline Mickle T.

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Re: Who Has The Best Home-Made 10Vdc Reference?
« Reply #27 on: June 03, 2024, 09:26:58 am »
Marco Reps has build some amazing things. He has built:

https://github.com/marcoreps/ADRmu

And now he is working on a stepper motor driven switch box to do automated long term drift measurements between an array of those things, also featured on Hackaday:

https://hackaday.com/2024/05/27/reinventing-rotary-switches-with-stepper-motors/

Is that the "precious ppms" guy?

TomG.

In my opinion, this guy deserves an honorable second place after Lymex Zhang (lymex/BG2VO) - the greatest popularizer, who has published hundreds of articles about sub-ppm/volt/ampere/ohm-nuts  8)
 
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