[Test-Equipment] rms voltmeter?

[WA5CAB at cs.com]

On the military (surplus) side, there is the TS-656/U Test Set, Electrical 
Meter.  Heavy sucker.  Mine came from Fair.

In a message dated 1/19/2008 6:07:32 PM Central Standard Time, 
david at slack.com writes: 
> >Anyone know what sort of "standard" one usually uses to calibrate an "AC" 
> >indicating instrument?
> 
> An AC voltage calibrator such as an HP 6920, Fluke 515A, Fluke 760A,
> Fluke 5100, or many others.
> 
> At higher frequencies, an oscilloscope calibrator/constant amplitude
> signal generator such as the Tek 191 or SG503.
> 
> >It's much easier to find a DC voltage source that's accurate.  Where does 
> >one find an "accurate" (1% MAX or tighter)?
> 
> Again, there are many calibrators available, such as the units above, and
> also DC only units such as the Fluke 332.
> 
> Or, you can find an old fashioned standard cell, often available very
> cheaply, but a bit hard to use.
> 
> Or, you can build a standard out of one of many precalibrated IC voltage
> reference ICs that are now available.  This has been discussed to death,
> so I suggest you try a web search.
> 

Robert & Susan Downs - Houston
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