Improvise by holding a metal disk over an electronic balance and measuring the force of attraction. Calibrate it with a lower known voltage.
cheers, Neville Michie > On 23 Mar 2018, at 12:58, Dr. David Kirkby <drkir...@kirkbymicrowave.co.uk> > wrote: > > On 23 March 2018 at 01:49, kc9ieq via volt-nuts <volt-nuts@febo.com> wrote: > >> How about using (or building) an additional 2kV power supply and a >> sensitive meter movement like a differential voltmeter, adjusting >> for/measuring the null? Impedance at null will be theoretically infinate, >> current will be theoretically zero, and you can measure/monitor the voltage >> of your second supply directly with the probe/meter of your choice. >> Regards,Chris >> > > No, that will not work for me, as while the impedance at null is infinite, > it is not when not nulled, and that will mess up the measurements. > > Absolute accuracy is not important. +/- 10% or even 20% would be okay. I > want to measure a couple of voltages and compare them. As long as the meter > reads the same with identical input voltages, that is fine. > > Dave > _______________________________________________ > volt-nuts mailing list -- volt-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
