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Current Loop 4-20mA Information


Esis Pty Ltd - Australia - Ph 02 9481 7420  Fax 02 9481 7267  www.esis.com.au 
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How They Work
A useful article on 4-20mA current loop sensors:
     http://www.sensorland.com/HowPage028.html

Understanding Current Sinking, Current Sourcing, and Ground Loops
      http://www.globalspec.com/reference/64186/understanding-current-sinking-current-sourcing-and-ground-loops

A 4-20 mA Signal Goes The Distance
      http://www.kele.com/templates/content.aspx?id=4716