Hehe, that's true...good call : )

Although I do think that the Starship Voyager had a multi-terawatt
transmitter one time (they needed it to get through a thick atmosphere
to signal the ground)...

At any rate, any idea on how the other (e.g. 30A) clamps operate?  If
you can find a way to scale the output from the actual sensor to the
sensor circuitry back then you might be able to consequently increase
the measuring scale.  You'd loose a lot of accuracy in the process,
though.

Regards,
Adam

> -----Original Message-----
> From: adam-request@viratech.com [mailto:adam-request@viratech.com] On
> Behalf Of Bob Ammerman
> Sent: Monday, June 17, 2002 10:09 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]: PIC High Current Meter
>
> > Josh,
> >
> > Why not get a 1 ohm or likewise crazy low value resistor, and then
> > measure the voltage drop across it?  It doesn't take that much to
> > measure 600V...600A across 1 ohm would give you that.  If you can
find
> > an accurate ohm meter then you're good to go (i.e. count resistance
of
> > wires, etc.).
>
> It would also give you 360,000 watts! That would be one pretty amazing
> resistor!
>
> At these currents, for AC circuits, the usual technique is a current
> transformer (aka CT).
>
> Bob Ammerman
> RAm Systems
>
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