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DMMCheck Plus Multimeter Reference(and other References) - Experiences..

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Martin72:
OK, you talked me into it.... ;)

DavidKo:
I got mine directly from Doug since 2019. There was a waiting list since it was not available in e-shop. The box I have modeled myself. It includes external power supply connector (the connector disconnect 9V battery when used) and let it run 24/7 from power supply. In case of the power outage it gets turned off, but the main reason is to run 24/7 to burn in the reference. I have also AD584 reference with printed values since 2016, but I have never trusted to the values and  when I had better multimeter it was already running 1+ year.

DavidKo:
My measurements of DMMCheck and original values from calibration. 5,5 digit multimeter do not see any change ;).

DavidKo:
When I measured the AD584 it is clear that something stinks, but I must say, that the values are stable.

Veteran68:

--- Quote from: DavidKo on August 03, 2023, 05:11:26 pm ---When I measured the AD584 it is clear that something stinks, but I must say, that the values are stable.

--- End quote ---

Funny how that same cal sheet makes it around the world. Wonder how many references it's been shipped with?  ;D

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