New 4-IN-1 Thermometer and Hygrometer for PM2.5 & AQI only as it considered the most hazardous pollutant to human health due to its tiny sizes can be inhaled and absorbed.
Temtop 3rd generation laser particle sensor combined with a unique particle swarm optimization algorithm makes particle measurement more accurate and stable.
Touch screen and backlight give clear readings on particle pollutants and their relative AQI level.
Switchable temperature unit Fahrenheit and Celsius
Built-in 1800mAh lithium battery that runs up to 8 hours after full cycle charging.
Dimensions: 5.9 x 3.6 x 3.1 in.
Display: 4.6" touch screen
Battery capacity: 1800mAh
Battery life: 8h on a full charge
Battery voltage: 3.7VDC
Input voltage/current: DC5V; 1A
Operating environment: 0-50℃(32-122℉); 0-90%RH
Atmospheric pressure: 1 atm standard atmosphere
Temperature measuring range: 0-50℃(32-122℉)
Humidity measuring range: 0-90%RH
PM2.5 Sensor: Laser particulate matter sensor
Measuring range: 0-999ug/m³
Resolution: 0.01 ug/m³(0-9.99ug/m³); 0.1 ug/m³(10-99.9ug/m³); 1 ug/m³(100-999ug/m³);
Accuracy: ±10 ug/m³(0~100 ug/m³) ; ±10%(100~500 ug/m³)
Temtop P15 Air Quality Monitor User Manual
Temtop P15 Air Quality Monitor ECM Certification