I would just check that all of the DCV ranges were reasonably accurate (<50ppm???) and were linear at e.g. 0V, +/- 0.5V, 1V, 1.5V, 1.9V.
Best Regards, Laurence Motteram -----Original Message----- From: volt-nuts [mailto:[email protected]] On Behalf Of MailLists Sent: Tuesday, 20 January 2015 8:09 PM To: Discussion of precise voltage measurement Subject: Re: [volt-nuts] Datron 1281 I have access to a metrology lab with a Fluke 5522A, and a 8508A. Any hints regarding what should be checked (more thoroughly)? Regards, Gabi On 1/19/2015 10:57 PM, Laurence Motteram wrote: > An external calibration may help, as (usually/optionally) the internal > calibration source is characterized at the end of the calibration process. > > If you have the equipment to do so, it would be good to verify that there is > not something more sinister going on with the 100mV and 1V ranges other than > simple drift. > > Best Regards, > > Laurence Motteram > > -----Original Message----- > From: volt-nuts [mailto:[email protected]] On Behalf Of > MailLists > Sent: Tuesday, 20 January 2015 6:53 AM > To: [email protected] > Subject: [volt-nuts] Datron 1281 > > Dear all, > > got one of the (in)famous <subj.>. > The full self-test fails with: > 2273 1V Range 100mV signal magnitude drift. > 2283 100mV Range 100mV signal magnitude drift. > > The same for a self-calibration. > > Any suggestions? > Might an external calibration help? Probably not calibrated for a long time... > > > Regards, > Gabi > _______________________________________________ > volt-nuts mailing list -- [email protected] To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there. -- Message protected by MailGuard: e-mail anti-virus, anti-spam and content filtering. http://www.mailguard.com.au _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
