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Last Updated on: Thursday, November 30, 2017 07:42 AM

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More  AC/AC Converters    AC to AC Power Supplies 
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   Inverters 

4 20ma Current Loop Tester
 

This circuit injects an adjustable current through a wire loop.  Using a digital current meter, the current can be adjusted from near zero to over 24 milliamps.

Click on Drawing Below to view PDF version of Schematic

Circuit 420MA Current Loop Tester designed by Dave Johnson, P.E. (Nov 2, 2004)

More  AC/AC Converters    AC to AC Power Supplies 
AC to DC Converters
   Inverters 

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