Duct Carbon Dioxide (CO2) Transmitter, Polycarbonate with hinged and gasketed cover, NDIR, diffusion sampling, 0-20,000 ppm, adjustable, Relay, 3000 Ohm, NTC Thermistor, ±0.2°C

Duct Carbon Dioxide (CO2) Transmitter, Polycarbonate with hinged and gasketed cover, NDIR, diffusion sampling, 0-20,000 ppm, adjustable, Relay, 1801 Ohm, NTC Thermistor, ±0.2°C

Duct Carbon Dioxide (CO2) Transmitter, Polycarbonate with hinged and gasketed cover, NDIR, diffusion sampling, 0-20,000 ppm, adjustable, Relay, 100 Ohm, Platinum, IEC 751, 385 Alpha, thin film

Duct Carbon Dioxide (CO2) Transmitter, Polycarbonate with hinged and gasketed cover, NDIR, diffusion sampling, 0-20,000 ppm, adjustable, Relay, No Sensor Option

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Relay Output, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Relay Output

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control, Relay Output, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control, Relay Output

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Relay Output, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Relay Output

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control, Relay Output, Exposed push button momentary switch - N.O.

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control, Relay Output

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control

Room Carbon Dioxide Detector, 0-20,000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD