Indoor Air Quality Meter

Indoor Air Quality Meter Carbon Dioxide Concentration 0 to 30 000 ppm Temp Range -4 to 140 Degrees F Relative Humidity Range 0 to 100 Percent Humidity Accuracy 10 to 90 Percent RH +/-3 Percent less than 10 Percent greater than 90 Percent RH +/-5 Percent Accuracy 0 to 5000ppm +/-(75ppm +3 Percent rdg.) 5001 to 30 000ppm +/-(150ppm +5 Percent rdg.) Resolution 0.1 Percent 0.1 Degrees Degrees CO2 1 ppm Auto Power Off Yes Low Battery Indicator Yes Sensor Life 2 yr Power Source 9V