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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > 80W Power Measurement in Multimeter
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SANEMB
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« on: November 07, 2009, 07:04:37 07:04 »
Hi Guys,

From the 400v DC, 80W o/p source I want to measure the power whether it provides the accurate 80W. How can I test it. is it possible with multimeter or any other technique.

   
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Parmin
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« Reply #1 on: November 15, 2009, 10:45:15 22:45 »
Put a [REQ] on your topic!

Assuming there is no loss in power delivery,
80W off 400V means you are delivering 0.2A. P = VI  or (80 watt = 400 volt x 0.2 amps)

So simply measure the current that get into the circuit.
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