HP-3468A, Display Voltage VDC

[cruff]

(05-02-2021 07:24 PM)Dave Frederickson Wrote:  My 3468, for example, displays 0.2XXXXX (0.3V range) and slowly creeps up to 2.XXXXX volts (3V range) with nothing connected over several minutes. So the whole display is "unsteady" when nothing is connected and works perfectly when provided an input.

Mine has the same behavior. If placed on the AC V setting with nothing connected, it showed about 3.1 mV, when I placed my thumb near the high input jack, but not touching the metal of the connector, it jumped to over 5 mV.