[time-nuts] HP Agilent 34401A

Bob Camp lists at rtty.us
Fri May 17 21:46:19 EDT 2013


Never seen that problem, but it sounds very much like a relay / mux problem in the ohms section.


On May 17, 2013, at 9:23 PM, Volker Esper <ailer2 at t-online.de> wrote:

> Hi,
> I bought a 34401A lately. It's all fine, except it's got a fault when measuring low ohm with 2-wires: the value runs (monotonic) from 0 to 30 oder 40 Ohms at a speed of say 1 ohm per second and after a while it decides to run back... When using 4-wires-measurement everything's alright.
> Did anyone have that problem before?
> Thank you
> Volker
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