Measuring Range
CO2:0~9999ppm,(2001~9999ppm out of scale range)
Air Temperature: -10 ~ 60°c (14 ~ 140°F)
Relative Humidity: 0.1% ~ 99.9%RH
Resolution
CO2: 1ppm
Air Temperature: 0.1°c / 0.1°F
RH: 0.1%RH
Accuracy
CO2: ±50ppm ±5% of reading (0~2000ppm)
other ranges accuracy are not specified
Air Temperature: ±0.6°c / ±0.9°F
Relative Humidity:±3%RH (at 25°c, 10~90% RH)
±5%RH (at 25°c,others)
Warm - up time:30 Seconds
Response time
CO2: <2 minutes (90% step change)
Air Temperature: <2 minutes (90% step change)
Air Relative Humidity: <10 minutes (90% step change)
Air Quality Level (CO2 Concentration):
Good: <700ppm (programmable by user)
Normal: 700 ~ 1000ppm (programmable by user)
Poor: >"Normal"
Sample Point: 15999 points (5333points for each paramater)
Max/Min function
Sampling Rate Interval: 1sec to 4 hour 59 minutes 59 seconds
LCD & Green LED Display
Alarm: >1000ppm (programmable by user)
Relay:(1A 30VDC/0.5A 125VAC)
The meter is designed with a relay output on the rear side of the meter
Next to the power jack)
LCD size: 60 x 82mm (mm,HxW)
Operating Condition: 0~50°C, 5~80%RH (be sure to avoid condensation)
Storage Condition: -20~50°C, 5~90%RH (be sure to avoid condensation)
Power Supply: 5V DC adaptor (±10%), >=500mA
Size: 120 x 80mm (diameter x depth)
Weight: 200g