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Power/Watt Meter Circuit

2014-11-21 21:02  
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Power meter circuit

Power meter circuit

The power meter(or Watt meter) can accommodate up to 100 watts for a short period and 20 watts continuously.
You get 20 1K ohm resistors in parallel need, the resistors are 1 watt.

To calibrate:
Adjust the 47k for the low performance range against a calibrated power meter, then adjust 470K for the high power range with a power meter calibtated not by changing the 47k with high performance.

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