Product Features
1. Adopt the principle of non-dispersed infrared absorption to correct the temperture range of the full range
2.Display CO2 concentration, temperature and humiidty simultaneous ly on the LCD screen, facial comfort reminder
3.Large capacity 18650 lithium battery, long battery life
4. Support USB charging model
5.Night light design, with high, medium and low three levels of adjustment of night lightbrightness
Specifications
Basic function | Rangeability | Resolution | Accuracy |
Carbon dioxide measurement | 400PPM~5000PPM | 1PPM | ±(5% reading+50PPM) (0oC~50oC,0%RH~85%RH 400PPM~2000PPM range) |
Temperature | -10oC~50oC | 1oC | ±1oC |
Humidity | 0%RH~99%RH | 1%RH | (10%RH~90%RH confine to ±5%RH@25oC |
Display uaage | VA display+semi-transparent ball type LIQUID crystal protective cover |
Sensor type | CO2 sensor based on non-dispersive infrared absorption principle |
Response time | <2 minutes |
Low voltage prompt | When the battery is low, the low voltage symbol flashes |
Backlight | White baclight, can be turned on/off to saveower |
Night-light | Adjust night light intensity in three gears:high medium and low |
Power supply | Built-in 3.7VDC rechargeable lithium polymer battery, Micro USB charging port 5V input |
Operating environment condition | 0oC~50oC,0%RH~85%RH |
Storage environment condition | -20oC~60oC,0%RH~95%RH |
Atmospheric pressure | One atmosphere |
Product size | Outer diameter 98mm |
Products detailed display