Re: AC current and voltmeters

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>



Pole xmfrs have 99.9% efficiency.  They provide power for our homes 
to run clocks and computers.  This requires an accurate 60 Hertz 
sinewave which the pig provides.  It reads accurate at least in all 
the pigs I have ever tested.

Dr. Resonance
----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Tuesday, April 18, 2006 10:21 PM
Subject: Re: AC current and voltmeters


> Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
>
> Hi DC,
>
> Sounds like you monitor the LV side of the PIG and calibrate the 
> meter in terms of its HV output??  If this is correct, how does it 
> correlate with actual scope measurements of the HV side, given that 
> the meter scale reads RMS and the waveform is not a true sinewave .
>
> Gerry R
>
> > Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>
> >
> > I misprinted the data on the Electronic Industries contact.  We use 
> > Yokogawa meters and not Modutec meters.  Better pricing and they 
> > work terrific!!  The "Industrial Look" model in 3 1/2 inch size is 
> > the one we use.  Direct series ammeters up to 50 AC Amps in 
> > different ranges, current xmfr meters above that value, 0-300 VAC 
> > meters for voltage.  We have these factory "faceplate recalibrated" 
> > to read direct with our 14.4 kV pole xmfrs.  Our scale is 0-20 AC 
> > kiloVolts which gives the correct kV reading of 14.4 kV with a full 
> > 220 Volt input. I use a lot of the 0-15 AC Amps and 50 AC Amps 
> > meters.  Price range around $55-$60 but they look great!!