The CM-6 Low Voltage monitor detects Carbon Monoxide in commercial facilities. It can be used as a stand-alone detector and controller and as an analog transducer for use with Macurco control panels...
MACURCO MP100-O2-25 Single Gas Monitor, 2-7/16" W, 1-5/16" D Single Gas Detector, Gas Type HCL, Detects Hydrogen Chloride, Sensor Range 0 to 15 ppm, Resolution 0.1 ppm, Housing Color...