how to make 4-20 mA calibrator?

2007-08-19 13:58:22 · 1 answers · asked by Ronald A 1 in Consumer Electronics ➔ Other - Electronics

1 answers

this is how they work

http://www.sensorland.com/HowPage028.html
http://www.processautomationcontrol.com/download/4-20mA-Current-Loop-Primer.pdf
http://www.omega.com/techref/das/4-20ma.html

here is one

http://www.maxim-ic.com/appnotes.cfm/an_pk/1064

2007-08-19 15:16:15 · answer #1 · answered by Bill R 7 · 0⤊ 0⤋

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