Extech SD800 CO2, Humidity and Temperature Datalogger
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- 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
