[Heathkit] Test equipment question

[Zorn Jr Robert L]

I believe this is normal.  VTVMs have a high input impedance and your
hands are acting as an antenna / signal source.  If it wasn't
so sensitive, the meter would be loading your measured circuits and
causing incorrect readings.
I think this is why some meters use coaxial cable for the test lead.


> A bit off topic, but, I have an HP 410B VTVM that I use on my Heath gear
> which has an annoying habit.  On the more sensitive scales, just
> handling the test leads causes the meter needle to bounce all over.  I
> have replaced all the leads, and cleaned the contacts where the lead
> connector plugs in the bottom of the meter.   Does it in all modes and
> is less severe or non-exsistent on the less sensitive scales.  Anyone
> know how to correct this problem?
>
> Shawn, N7PRP
>
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