Omega’s new series of 2-wire DC inductive proximity sensors has a sensing distance range of 2 to 20 mm (0.08 to .79"). It comes in shielded and unshielded models with short barrel or standard lengths.
In The basics of 4-20mA current loop transmitters, I discussed the basics of 4-20 mA transmitters, a popular communication method to and from field elements in factory automation and other industrial ...
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