Home / Products / Air Quality / Carbon Dioxide Transmitters Products Calibration Services DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Pressure DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Air Quality DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Air Velocity DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Flow DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Level DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Temperature DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Test Equipment DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Valves DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Miscellaneous DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Hazardous Rated DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Series CDT NDIR CO2 Sensor, Universal Outputs, Optional Relay Carbon Dioxide/Temperature Transmitter monitors the CO2 concentration and temperature in indoor environments to achieve energy savings. View More Series CDTR NDIR CO2 Sensor, Universal CO2/RH Outputs, Optional Relay Carbon Dioxide/RH/Temperature Transmitter reduce the number of sensors mounted on a wall or in a duct. Display can be configured to show only temperature or relative humidity or CO2. View More Series CDX Measures up to 2000 ppm, Adjustable Output Wall Mount Carbon Dioxide Transmitter is low cost and high performing. Provides energy savings and allows the user to effortlessly and effectively control fresh air. View More Series CDTA Measures CO2, Humidity, Temperature, Temperature Set Point, and Override Communicating Carbon Dioxide Detector that is a combination of three room sensors into a single compact housing. LCD can be programmed. View More Series CDTV Simultaneously Outputs Both CO2 / VOC Carbon Dioxide/Volatile Organic Compound Transmitter reduces energy costs and senses both CO2 and VOC. Applications include demand control ventilation and odor control. View More Series CDWP NDIR CO2 Sensor with Universal Outputs in an Industrial Housing Carbon Dioxide Transmitters that accurately monitor the CO2 concentration in industrial, agricultural, and indoor environments to help achieve energy savings. View More Series CDTC NDIR CO2 Sensor, Measures CO2, Temperature, Temperature Set Point, and Override The CDTC Communicating Carbon Dioxide Sensor combines the function of two room sensors into a single, compact housing. View More Model CDSN NDIR CO2 Sensor, Universal Output, Passive Temperature Carbon Dioxide Transmitter accurately monitors the CO2 concentration and temperature in schools, office buildings, and other indoor environment to help achieve LEED® certification and energy savings. View More