Yes, and moreover: what kind of test can be done on that DC source if no DMM is able to show that accuracy?
On Thu, Mar 29, 2012 at 9:53 AM, David C. Partridge < david.partri...@perdrix.co.uk> wrote: > >I'm currently have to convince management that our 6-1/2 DMM (0.01% > uncertainty) can't be used to test the 0.1ppm DC Source that we're > repairing. > > Don't bother, just send it to me (once you've fixed it natch) :) > > On a more serious note what it this DC source that can manage 0.1ppm - the > only thing I can think of that achieve that level of accuracy has to be a > Josephson junction array. > > Dave > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
