Greystone CDD4B100T20 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and 20,000 ohm thermistor

Greystone CDD4B100T20 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and 20,000 ohm thermistor. The CDD4B1 Series features highly accurate NDIR sensor in low profile enclosure for room applications monitoring Carbon Dioxide levels