Instructions

Poor >3000 Red
PM2.5 air quality grade range
Air quality grade PM2.5 average standard value (ug/m3) color
Excellent ≤60 Green
Good 61 - 120 yellow
Poor >120 Red
AQI air quality grade range
Air quality level AQI average standard value color
Excellent ≤100 green
Good 101 - 300 yellow
Poor >300 Red
TVOC air quality grade range
Air quality level TVOC average standard value (mg/m3) color
Excellent ≤0.500 green
Good 0.501 - 1.500 yellow
Poor >1.500 Red
Chapter Six Precautions
1. This instrument is a precision instrument.When use it please avoid to contactwith alcohols,
perfumes
and other alcohols.HS.co. so.fumes and other gases ,or will affect the accuracy of testing.
2. Please keep the living room, bedroom other indoor rooms closed 12 hours beforeyou detect
the air, It
will he more responsive to real pollution levels.Please select the average value from different
detect
points,then the datas can be more accurate.