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Home Brew Forums > Home Brewing Beer > Electric Brewing > If I do it again ... forget the AMP and Volt Meters!
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Old 06-07-2011, 01:57 PM   #31
kal
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Originally Posted by burglar View Post
Kal has a very specific reason for using separate power supplies for each meter, which made sense when I read it, but don't remember since it didn't apply to me.
See: http://www.theelectricbrewery.com/co...-part-2?page=9

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Because of the way this particular volt meter is designed (one of the AC inputs is tied to the DC ground), separate power supplies and transformers must be used in order to isolate the meters from each other. Trying to use one power supply and transformer to power both meters will destroy the meters (ask us how we know how!) even through the supplied instructions said this was possible.
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