Air Quality Meters – CO2 (Carbon Dioxide) Meters

7530 Digital CO2 Carbon Dioxide IAQ Monitor Controller with Relay Function 4.5M Cable NDIR Sensing Probe for Green House Home, Office, Factory

CO22 Carbon Dioxide / Temperature/ Humidity Indoor Air Quality Monitor Meter, Wall Mountable CO2 Detector 0~2000ppm Range

7755 Digital CO2 Carbon Dioxide Temperature RH Humidity DP WB NDIR Sensor Indoor Air Quality 9999ppm USB Monitor Logger

77597 6 in 1 Combo Multi-function CO2 & CO & Temperature, Humidity RH %, DP, WB, USB Data Logger with Software, Meter IAQ Tester

M0198132S Digital 3-in-1 CO2 Thermo-hygrometer Logger Made in Taiwan

CO98 CO2 Data Logger Temperature Humidity Monitor 9999ppm