Records data on an SD card in Excel format;Checks for Carbon Dioxide (CO2) concentrations;Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor;Triple LCD simultaneously displays CO2, temperature and relative humidity;Measurement ranges: CO2-0 to 4,000ppm; temperature-32 to 122-Degrees F (0 to 50-Degrees C); humidity-10 to 90-percent RH

• Extech SD800 CO2/Humidity/Temperature Datalogger
• Green

Extech SD800 CO2/Humidity/Temperature DataloggerExtech