[Test-Equipment] rms voltmeter?

[J Forster]

True. The RF probe is just a little vacuum diode in a case.

HP made a wideband RMS meter, the 3403, which can often be picked up
fairly cheaply. It comes in A,B,and C flavors I like those.

Best,
-John



Dale H. Cook wrote:

> At 04:05 PM 1/19/2008, Eugene wrote:
>
> >I have an HP 410B that I am attempting to use to measure some rms RF
> >voltages in the HF range.
>
> The 410B is not an RMS instrument. It is calibrated to read RMS for a
> sine-wave input, but the AC detector is a peak detector. That is
> typical for the 4xx series AC VTVMs.
>
> Dale H. Cook, Chief Engineer, Centennial Broadcasting,
> Roanoke/Lynchburg, VA - WZZI / WZZU / WLNI / WLEQ
> http://members.cox.net/dalehcook/starcity.shtml