Brooke wrote:
There are a few low cost voltage standards available where the maker has an HP 3458. For example by Geller
Geller has been gone as a supplier since 2013 (most of the web site is still up as an archive, but he is no longer selling the voltage "references").
There are a few low-ish cost "references" or "standards" advertised on ebay. An annotated schematic of one NOT to get (the Calibratory D-105 "2ppm Voltage Reference") can be found here:
<http://www.ko4bb.com/getsimple/index.php?id=download&file=06_Misc_Test_Equipment/Calibratory_kaysert_D-105_10v_2ppm_voltage_reference_schematic_annotated.pdf> Best regards, Charles _______________________________________________ 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.
