Macurco CM-6/CM-12 Manual (Rev-1.1) Eng
Calibration Due- With Calibration Period functionality enabled, if a detector is within 1 month of calibration period, then display
will show "dUE" continuously. Calibration Due is resolved only with successful field calibration.
4.4 4-20 mA Loop
4-20mA settings selected to 'bAS' or 'EnH' is considered as 4-20mA function turned ON.
Clean Air – With the 4-20 mA function turned "On" and the current concentration of CO ppm at "0" (zero), the 4-20mA loop will
output 4 mA.
Gas read – With the 4-20 mA function turned "On" the output will read between 4 mA and 20 mA depending on the current
concentration of CO.
Trouble – With the 4-20 mA function turned "On" and Trouble Fan Setting enabled. The 4-20mA loop will output 1 mA or 24 mA
depending on the Trouble condition. See Section
5.1 On-Board
Diagnostics.
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REV – 1.1
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