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DiscoverCircuits.com  --   Hobby Corner
 Last Updated on:  03/19/2008 06:54:11 AM

 

 

 

AC Current Monitor
The hobby circuit below shows how a small current transformer from Magnetek can be used to monitor AC current to a load.  The AC voltage developed at the secondary of the transformer can be scaled so it can be read by any digital multimeter.  The transformer is rated at 30 amps.  

Click on Drawing to view PDF

Isolated AC Current Monitor circuit designed by David A. Johnson (January 20, 2001)

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