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50 AMP SHUNT, 50MV=50A. Can I use this?

Old 04-03-2004, 09:13 AM
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HoboDog
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Default 50 AMP SHUNT, 50MV=50A. Can I use this?

Hello,
I'm still trying to purchase an Astro flight Watt Meter. I'v been trying since January 5th. I'v tried 4 different vendors including Astro Flight. Still no joy.
I found this
http://www.allelectronics.com/cgi-bi...-50&type=store

If I'm guessing correct I put this in series with my battery, and read voltage drop across it and it gives me 1mv per 1 amp. Then I read volts across the battery terminal. Then Watts = Volts X Amps. Less fancy but they are available.

Do I have this correct? Is .5% accuracy enough? Does it load the circuit more than the Astro Fligt?

If Tower or Astro Flight will ship me a meter I won't need this, but...

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