Triplett GSM400 Portable Indoor Air Quality CO2 Meter (0 ~ 9999ppm)

Carbon Dioxide (CO2): 0 to 9999ppm

Accuracy: ±(5% + 30ppm) (0 to 5000ppm)

Air Temperature: 14 to 140°F (-10 to 60°C)

Accuracy: ±0.9°F/0.6°C

Relative Humidity: 0 to 99.9%RH

Accuracy: ±3%RH (10 to 90%RH)

Wet Bulb: 23 to 140°F (-5 to 60°C)

Dew Point: -4 to 140°F (-20 to 60°C)

CO2 Alarm: 100 to 9900ppm in 100ppm steps

Power: 4 AA batteries

Dimensions: 7.9 x 2.7 x 2.3" (200 x 70 x 57mm)

Weight: 6.7oz (190g) 

Datasheet

Manual