8
SPECIFICATIONS
Device Specifications
Operating Environment
32~122°F (0~50°C), <95% RH non-condensing
Storage
14~140°F (-10~60°C), <99% RH non-condensing
Power Supply
Li-ion battery (4.2V, 1500mAh),
Micro USB cable w. Wall USB charger
Dimensions
3.9 x 2.0 x 1.7 in. (98x50x42mm)
Weight
4.76 oz. (135 grams)
CO2 Sensor Specifications
CO2 Sensor
Single-beam NDIR diffusion sampling
Measurement Range
5% Vol (0~50,000ppm) display
Display Resolution
1ppm / 0.01%
Accuracy
±200ppm or ±10% 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°F
IAQ LED Display
Green: <800ppm • Yellow: 800~1200ppm • Red: >1200ppm
Measurement interval
2 seconds
Temperature Sensor Specifications
Temperature Range
50~140°F (10~60°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
0~99.9%RH
Display Resolution
1%RH
Accuracy
±4.5%RH
Response Time
<8 seconds for 63% of step change
Out of range of operating conditions will impact the accuracy of the CO2 measurement. A warning
will display when humidity or temperature is above the rated thresholds (>95% RH condensing, >
122°F or < 32°F).
