Greystone CERMC14 Room Carbon Dioxide Sensor, 0-2000 ppm, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistorType 20 - 20,000 ohm NTC Thermistor ±0.2°C

Greystone CERMC14 Room Carbon Dioxide Sensor, 0-2000 ppm, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistorType 20 - 20,000 ohm NTC Thermistor ±0.2°C. Greystone's CERMC Series is a Room Carbon Dioxide Sensor, with our without temperature sensor, measuring 0-2000 ppm. A high accuracy infared NDIR sensor in a wall mount enclosure.