Heath "Vultmeter" DC probe

[Jack Crenshaw]

Charles, other folks here have warned that the phone jack needed for the Heath VTVM's is
not standard.  It has a thicker-than-normal insulating layer between ground and tip,
presumably to better withstand high voltages.

Jack

Charles W. Morehouse wrote:

> Hi Dale,
> Use shielded cable to the phone plug. Add a 1 Meg 1% resister at the tip of  and in the
> probe.
> The resistor is for isolation. Luck and 73.
> Wayne;
> W4GBW
>
> Dale Mason wrote:
>
> > Hi everyone on the list,
> >
> > Dumb question # 3529:
> >
> > I acquired a Heath "Vultmeter" recently.  The common and AC inputs are via
> > banana plugs (and probes for these came with the meter).  The DC input,
> > however, is a 1/4" phone jack and I didn't get a probe for that (or a
> > manual).  Do I simply wire a probe to phone plug, or is something of a
> > heavier-duty nature required?
> >
> > Thanks,
> >
> > Dale Mason, KD9LW
> >
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