Honeywell CMD5B1000 Carbon Monoxide Monitor CMD series carbon monoxide detector uses an electrochemical sensor to watch the CO level and outputs a factory calibrated 4-20 mA, 0-10 Vdc, or Modbus signal. Optionally, the device could also be designed with an alarm relay.

Applications: The HCMD5B1 series carbon monoxide detector is designed for use with electronic controllers in domestic or commercial heating and cooling systems