Air Quality Carbon Dioxide Monitor

Air Quality Carbon Dioxide Monitor Carbon Monoxide Measurement Range (PPM) Not Applicable Carbon Dioxide Concentration 0 to 9 999 ppm Temp Range 23 to 122 Degrees F (-5 to 50 Degrees C) Relative Humidity Range 0 to 90 Percent Dew Point Range Not Applicable Oxygen Concentration Not Applicable Humidity Accuracy +/-5 Percent Accuracy +/-5 Percent Resolution 0.1 Degrees 0.1 Percent 1 ppm Display Back Lighted LCD Data Hold Yes Power Source Adapter