CO2, HUMIDITY & TEMPERATURE METER AND DATA LOGGER CO2 range: 0~30,000 ppm Accuracy: ±(75ppm +3% of reading) up to 5,000ppm Dual wavelength NDIR CO2 sensor for superior stability User adjustable CO2 calibration Audible CO2 alarm Relative humidity: 0~100% (accuracy ±4.5%) non-condensing ** Should not be used above 90%RH Temperature: 0~+50°C (accuracy ±1°C) Data logging: 32,000 …



