The schematics are up now, posted here: https://groups.io/g/GeigerCounters/files/Keithley%20417%20Electrometer%20Upgrade
I'll be reporting a bunch of new info soon too. Ed _______________________________________________ volt-nuts mailing list -- volt-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/volt-nuts_lists.febo.com and follow the instructions there.