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December 18th 06, 12:07 PM
posted to rec.radio.amateur.homebrew
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Power Supply Meters
On Mon, 18 Dec 2006 07:03:19 -0000, "Ken chattenton"
wrote: Hi from Ken, "William Pence" wrote in message ... In article Bephh.212$pr5.108@trnddc01, "west" wrote: I have a 40 amp, 13.8v supply and would like to add a voltage (0-15v) meter and an amp (0-50amp) meter. Cordially, west yep. the amp meter will definitely need a shunt. that value is dependent on the actual coil current for full scale. the voltmeter can just wire directly across the output voltage terminals, but the ammeter will require a shunt. If the volt meter is not already calibrated it will require a resistor in series with the positive lead. or the negative lead |
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