[volt-nuts] The averaging reference

Richard Moore richiem5683 at gmail.com
Sat Dec 20 15:48:41 EST 2014

The Datron 1081/1082 are 7-1/2 digit meters. The zeners are two pair of two zeners in series to get the ref voltage up high enough. In the two 1081s I had, they worked quite well, ref’d to the two Fluke 732As I had at the time. But not 8-1/2 digit grade, I don’t think. I have no idea what the 127x/128x sereis use; probably the LTZ1000A...

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