Loop Checking of 4-20mA/HART Transmitters
Loop Checking of 4-20 mA/HART Based Transmitters: There are two ways to loop check a 4-20 mA/HART transmitter current loop: Inject physical sensor input Force output current A third way
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Tag : Transmitter Loop Checks
Basics of Loop Checks
The term “loop” can refer to the entire “control loop” from primary element (sensor) through the transmitter, and controller, to the valve positioner, and the final control element (valve). The