IM-502 Air Quality Monitor, Measures CO2, Humidity, Temperature, 95%RH Max
2 Ventilation Rate, Temperature and Humidity. Relative Humidity. Accuracy; ±3.0%RH (20?. 80%); ±5.0%RH(<20%,>80%). Accuracy: ±5% read value or ±75ppm(0-2000ppm). Accuracy: ±1.0°C/±1.8°F. Indoor air quality survey.