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Re: High Voltage Meter...
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To: tesla-at-pupman-dot-com
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Subject: Re: High Voltage Meter...
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From: Terry Fritz <twftesla-at-uswest-dot-net>
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Date: Mon, 28 Feb 2000 17:52:51 -0700
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Approved: twftesla-at-uswest-dot-net
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Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme
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In-Reply-To: <20000228165255.57608.qmail-at-hotmail-dot-com>
Hi "M Fabs",
Sure! The Radio shack meter movement simply reads full scale when 1mA of
AC is applied to it (it uses a bridge rectifier and DC meter). If you
replace the 130K resistor with 26Meg and double the supplied scale you
should have a nice high voltage meter. Of course, the resistor will have
to easily withstand 30kV (perhaps a bunch of 1Meg 1 watt in series) and the
resistor will dissipate a total of about 30 watts at full scale. You will
also need to be sure the meter is insulated for the high voltage and all.
Not a hand held type meter ;-))
Cheers,
Terry
At 08:52 AM 02/28/2000 -0800, you wrote:
>Radio Shack (and I) have 130VAC panel meters. 130KOhm resistance. Could
>this easily be adapted to read 26KVAC or 39KVAC with a series/shunt resistor
>set? I was thinking www.MECI-dot-com for the high voltage resistors... Main
>purpose is to find out the real volts of my NST's (one coil at a time,
>usually).
>
>Please don't get sick of me :)
>
>the_machin_shin-at-hotmail-dot-com
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