bad precision pot?

[harry bissell]

Martin... you are one sick puppy.
I take the traditional "rubber ducky" into the shower with me, not some 10
turn trimpot.....
Hope you have one of those waterproof DVM's
(and a good sense of humor, maybe)  :^) Harry

Martin Czech wrote:

> Hello, right this morning I jumped out of the shower and connected my
> multimeter to a "horizontal" 10 turn trimmer, 50k. I used "crocodile"
> clamps.  Result: the uncertainty due to the clamps is enormous, it makes a
> reliable measurement impossible.  After moving the clamps in order to get
> some friction I could get the same resistance value after a while. Then
> I droped the trim 2m above solig ground (bathroom).  It seems to have
> no effect.
>
> Next I'll solder test leads with banana plugs to several trimmers.
>
> m.c.