[time-nuts] Some pics of the Datron 491x DC reference cell

Dr. Frank Stellmach drfrank.stellmach at freenet.de
Sun Feb 1 22:39:27 UTC 2009


good hint, I think you are right..

Then it's a custom specific R array, metal foil technolgy (S105 or 
similar) from Vishay, perhaps oil filled.

Makes it very difficult to read the circuitry and design a replacement 
with discrete resistors.


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