China USB Plug Desktop Indoor Air Quality CO2 Monitor with Aqi Indicator and Audible Alarm, Find details about China Air Quality CO2 Monitor, Air Quality Monitor from USB Plug Desktop Indoor Air Quality CO2 Monitor with Aqi Indicator and Audible Alarm
Measurement | Specifications |
Operating Temperature | 32°F to 122°F (0°C to 50°C) |
Storage Temperature | -4°F to 140°F (-20°C to 60°C) |
Operating & Storage RH | 0-95%, non-condensing |
CO2 Measurement | |
Measurement Range | 0-5000ppm |
Display Resolution | 1ppm (0-1000); 5ppm (1000-2000); 10ppm (>2000) |
Accuracy at 0~3000ppm | ±50ppm or ±5% of reading, whichever is greater |
Accuracy over 3000ppm | ±7% of the reading |
Repeatability | 20ppm at 400ppm (standard dev. of 10 readings in 1 minute) |
Temp Dependence | ±0.2% of reading per °C or ±2ppm per °C, whichever is greater, referenced to 25°C |
Response Time | <2min for 63% of step change or <4.6min for 90% step change |
Warm-up Time | <20 sec |
Temp Measurement | |
Operating Temperature | 32°F to 122°F (0°C to 50°C) |
Display Resolution | 0.1°F (0.1°C) |
Response Time | <20min(63%) |
RH Measurement | |
Range | 5-95% |
Accuracy | ±5% |
Resolution | 1% on Main Reading, 0.1% on Max Min Reading |
Power Requirements | 160mA Peak, 40mA average at 5.0V |
Dimension | 120*90*33.5mm (4.7*3.5*1.3 inch) |
Weight | 103g ( 3.6oz) Device only, AC Adapter not included |