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Sample Method
– Diffusion
Automatic Background Calibration (ABC): Eliminate
Device Specifications
Operating Environment
32°F~122°F (0°C~50°C), <95% RH non-condensing
Storage
14°F~140°F (-10°C~60°C), <99% RH non-condensing
Power Supply
Li-ion battery (4.2V,1500mAh),Micro USB cable w. Wall USB charger
Dimensions
3.9x2.0x1.7 Inch (98x50x42mm)
Weight
4.76 oz. (135 grams)
Out of range of operating conditions will impact the accurate of CO2 measurement.
CO2 Sensor Specifications
Measurement Range
0~65,530ppm(6.55%Vol) display
Display Resolution
1ppm / 0.01%
Accuracy
±40ppm or ±3% of reading
Repeatability
±20ppm @ 400ppm
Temperature Dependence Typ. ±0.3% of reading per °C or ±4ppm per °C, whichever is greater,
referenced to 25 °C
Pressure Dependence
0.13% of reading per mmHg
Response Time
About 2 min for 90% of step change
Warm-up Time
<5 seconds at 22°C
Measurement interval
2 seconds
Temperature Sensor Specifications
Temperature Range
14~140°F (-10.0~60.0°C) display
Display Resolution
0.1°F (0.1°C)
Display Options
°F/°C switchable
Accuracy
±0.9°F (±0.5°C)
Response Time
5~30 seconds (device must equilibrate with environment)
Relative Humidity Sensor Specifications
Measurement Range
0.0~99.9%RH
Display Resolution
1%RH
Accuracy
±4.5%RH
Response Time
<8 seconds for 63% of step change
TROUBLESHOOTING
Symptom / Issue
Possible Cause / Resolution
Cannot power on
Press the Power Button for more than 5 seconds
Check that the Li-ion battery is charged
