Loop Calibrator to Simulate a 4-20 mA Signal
Explain why this is an improper use of the loop calibrator, and what will happen if the technician tries to simulate a 9 mA signal this way. Finally, identify the proper way to use the loop calibrator to simulate a transmitter signal.
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- How to use Loop Calibrator
- 4–20 mA Control Loops
- As-Found and As-Left
- Loop Powered Instruments
- Loop Checks Transmitters
Credits: Tony R. Kuphaldt