[volt-nuts] Solartron 7081, other meters, and some voltage standards

[gbusg]

Hi again Joe,

Disclaimer (to my last post):
Although my old (aged) 3457A drifted only 5ppm in the last 5 years - and 
your particular 3457A might do as well - we have no "guarantee" of that 
based on HP's original 3457A specs. For example your 3457A could be off 50 
ppm in 1 year yet still be in tolerance. I've not observed that much drift 
in a 3457A - but just pointing this out so as to cover all bases and 
possibilities.

...All of which brings us back to the usefulness of the proposed DCV 
round-robin proposals being discussed.

Best,
Greg