Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged gasketed cover,thread adapter and cable gland fitting, 3000 Ohm, NTC Thermistor, ±0.2 C, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged gasketed cover,thread adapter and cable gland fitting, 3000 Ohm, NTC Thermistor, ±0.2 C, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged gasketed cover,thread adapter and cable gland fitting, 1801 Ohm, NTC Thermistor, ±0.2 C, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged gasketed cover,thread adapter and cable gland fitting, 1801 Ohm, NTC Thermistor, ±0.2 C, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged gasketed cover,thread adapter and cable gland fitting, 100 Ohm Plat. IEC 751, 385 Alpha, thin film, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged gasketed cover,thread adapter and cable gland fitting, 100 Ohm Plat. IEC 751, 385 Alpha, thin film, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, No temperature sensor, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, No temperature sensor, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 10,000 Ohm±1%, B-3455 +/- (25/85), No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 10,000 Ohm±1%, B-3455 +/- (25/85), Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 10,000 Ohm, type 2, NTC Thermistor, ±0.2 C, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 10,000 Ohm, type 2, NTC Thermistor, ±0.2 C, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 20,000 Ohm, NTC Thermistor, ±0.2 C, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 20,000 Ohm, NTC Thermistor, ±0.2 C, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistor, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistor, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 1000 Ohm Nickel, Class B, DIN 43760, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 1000 Ohm Nickel, Class B, DIN 43760, Adjustable relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 1000 Ohm Platinum, IEC 751, 385 Alpha, thin film, No relay

Duct Carbon Dioxide Sensor, 0-2,000 ppm, Polycarbonate enclosure with hinged and gasketed cover, 1000 Ohm Platinum, IEC 751, 385 Alpha, thin film, Adjustable relay