Re: Electrostatic Meters - AC not possible

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Bert Pool by way of Terry Fritz <twftesla-at-qwest-dot-net>" <txsharpie-at-prodigy-dot-net>


>[snip]


>To prove that AC measurements using a electrostatic meter is NOT possible, I
>went into our lab today and tried measuring 4000VAC (60Hz) using both an EIS
>electrostatic meter and a Sensitive Research type electrostatic meter.
>
>For each test, the negative terminal of the electrostatic meter was grounded
>and connected to the return for the 4000VAC
>source.  A true RMS multimeter with a high voltage probe was used to verify
>any readings.
>
>In each instance, the multimeter read the nominal 4000VAC rms, but the each
>electrostatic meter read ZERO volts.
>
>To verify the electrostatic meters were working i switched the source to
>output 4000VDC and voila, the electrostatic meters both read 4000V on the
>nuggin' !
>
>Dan
Dan, I am using a Sensitive Research meter as well - and it *does* read AC.
Looks like just about everyone's electrostatic meter is reading ac except 
yours.
Try measuring grounded case to one pole of a nst.

Bert