I meant to say If memory still serves me well some cheap meters won't
give true RMS readings for this reason.

David

--- On Mon, 3/30/09, David Kao <dtkao0205@yahoo.com> wrote:

> SO much about old school stuff. If I
>
> Most old analog panel meters will read "Average"
> Envelop voltage
> of any AC voltage. It is the way the meter responds to the
> AC voltage.
> The average value is close to RMS value but not the same.