On 17 September 2017 at 21:58, Mitch Van Ochten < mi...@vincentelectronics.com> wrote:
> The Keithley 2002 uses DC but automatically takes a reading of any offset > voltage and subtracts it (offset compensation). Rated accuracy on the 20 > ohm range (2 years) is +/- 26 ppm, and with 10 averages it has a resolution > of 0.1 microohms. > > > Best regards, > > mitch > Also very pricy! I've made an offer on a Keithley 580 micro ohm meter, and ordered a couple of $3 audio amplifier boards. I will try one with the lock-in amplifier. It it does not work, or works poorly, it will not have broken the bank. 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.