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ABOUT GAS
FAQ - Controllers
19. Is the 4-20mA signal from Monicon's controllers linear?
Yes. The 4-20mA signal is linear with 4mA representing a zero gas concentration and 20mA representing a full scale gas concentration.
An analogue outpus signal of in excess of 20mA indicates an overrange condition. 0mA indicates a fault condition, 2mA indicates "Calibration Mode", 3mA indicates "Power Up" and 4mA indicates normal operation.