POLLUTION LEVEL Excellent: 0-35g/m³
Good: 35-75g/m³
Slight pollution: 75-115g/m³
Moderate pollution: 115-150g/m³
Severe pollution: 150-250g/m³
Serious pollution: > 250g/m³ NOTICE When the battery level is too low, there might be no data of the number and concentration of particulate matter in the air. If the device fails to turn on, the battery is dead or damaged; or the battery polarity is reversed.
SPECIFICATION PM 2.5 range: 0-1000g/m³
PM 2.5 precision: ±12g/m³
Concentration resolution: 1g/m³
Flow: 1L/min ( 2.83L =1L* 2.83 )
Response time:: 1s
Boot stabilization time: 10s
Temperature range: -10 to +60
Temperature precision: ±2
Temperature resolution: 0.01
Humidity range: 0-100%RH
Temperature precision: ±3%
Temperature resolution: 0.01 %
Power supply: 2000mAh Li-ion battery
Data record: 999 groups
Dimensions: 8.7 x 3.2 x 1.8 in
Net Weight: 0.71 lb. PACKAGE 1 x Particle Counter Air Quality Monitor 1 x Data Cable 1 x Power Adapter (US Plug) 1 x Carry Box 1 x Manual