Air Checker 7722
CO2 & Temp. & RH 

Specifications

CO2 Range 0~9999 ppm (2001~9999 ppm out of scale range)

   CO2 Resolution 1 ppm

CO2 Accuracy ±50 ppm ±5% of reading (0~2000 ppm), other range are not specified

CO2 Response Time ＜30 Seconds (90% step change)

CO2 Warm-up Time 30 Seconds

Air Temperature Range -10~60℃, 14~140℉

Air Temperature Resolution 0.1℃, 0.1℉

Air Temperature Accuracy ±0.6℃, ±0.9℉

Air Temperature Response Time ＜2 mins (90% step change)

Humidity Range 0.1~99.9% RH

Humidity Resolution 0.1% RH

Humidity Accuracy ±3%RH (at 25℃, 10~90%RH); others ±5%RH

Humidity Response Time ＜10 mins (90% step change)

Dew Point Temperature -20.0~59.9℃

Wet Bulb Temperature -5.0~59.9℃

LCD Size 65(L) * 50(W) mm

Meter Size 130(L) * 85(W) * 60(H) mm

Operating Temperature 0~50℃

Operating RH% 0~95% RH (avoid condensation)

Storage Temperature -20~50℃

Storage RH% 0~90% RH (avoid condensation)

Power Supply 12V DC Adaptor

Battery life ＜50 mA (average), ＜310 mA (peak)

Weight ~200g

Standard Package Meter, Manual, 12V USA Type Adaptor, Paper Box