Lutron CO2-9904SD CO2 Meter + Humidity/Temp., SD Card

SD Card real time recorder, 6000 ppm
CO2 METER + Humidity/Temp.
Model : CO2-9904SD
* Real time recorder, save the data into the SD memory card and can be downloaded to the Excel, extra software is no need.
* Measurement : CO2 ( Carbon dioxide ), Humidity, Dew point, temperature
* CO2 range : 0 to 6,000 ppm x 1 ppm.
* Humidity range : 10 to 95 %RH.
* Dew point : -25.3 to 48.9 °C, °C/°F.
* Temp. range : 0 to 50.0 °C, °C/°F.
* CO2 sensor : NDIR, long term reliability.
* Humidity sensor : Precision capacitance sensor.