Re: HV Meter - Not AC RMS?

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

At

>         Over 50 years ago I used one of those Sensitive Research 
> voltmeters to
>measure the output of HV power supplies for CRT displays, but never had
>occasion to try it for AC, and never had an instruction book.  Can you
>quote that part of the instruction book where it describes "this meter
>can only measure DC or PEAK AC"?  I can't see how it could measure PEAK
>AC and still give the reults you report in your later post.  If it would
>indicate peak AC it  would indicate RMS as will.




>  I can't see how any
>electromechanical device could measure peak...

Some form of slip clutch that allows the needle to move up easily, and 
slowly drift back down with a fairly long time constant.