5
EN
DISPLAY MODE
Press
[ MODE ]
to toggle the display mode between PM10 and PM2.5.
MEASUREMENT INTERVAL
Powered by DC adapter
The device measures PM2.5 or PM10 concentration every minute automatically when powered with a DC adapter.
Manual detection
User can press
[ CHECK ]
button anytime to get an updated measurement of PM2.5 or PM10 concentration
readings. (It takes approximate 10-12s to detect, the readings indicated by blinking PM2.5/PM10 icon.)
Operated by batteries
When powered by batteries, it’s detecting every 10 minutes by default. To maximize the battery life, user can also
change the detection interval from 10 minutes to 20 or 30 minutes.
Setting default measurement interval
1.
Press and hold
[ CHECK ]
for 2 seconds until the display is flashing
2.
Press
[ MODE ]
to choose which interval time.
3.
The setting sequence: 10m
20m
30m
4.
Press
[ CHECK ]
to finish the setting and back to normal display.
Detection interval (Minute)
Description
1(when connected to adapter)
The sensor will detect the PM value every 1 minute
10 (default)
The sensor will detect the PM value every 10 minutes
20
The sensor will detect the PM value every 20 minutes
30
The sensor will detect the PM value every 30 minutes
PM2.5/PM10 CONCENTRATION
For easy visualization of air quality, the device spreads the concentration readings over 6 level scale.
Good
Hazardous
The following provides some gives health guidelines on activities between good and hazardous air quality*:
Hazar
dous
Good
PM2.5
PM10
Healthy persons
Elderly, Children, Pregnant
women
Persons with chronic
disease or heart disease
0~35
0~50 Continue with normal activities Continue with normal activities Continue with normal activities
36~53 51~75 Continue with normal activities Continue with normal activities Continue with normal activities
54~70 76~100 Reduce prolonged or strenuous
outdoor physical exertion
Minimize prolonged or
strenuous outdoor physical
exertion
Minimize prolonged or
strenuous outdoor physical
exertion
71~150 101~350 Avoid prolonged or strenuous
outdoor physical exertion
Minimize outdoor activity
Avoid outdoor activity
151~250 351~420
Minimize outdoor activity
Avoid outdoor activity
Avoid outdoor activity
251+
420+
Avoid outdoor activity
Avoid outdoor activity
Avoid outdoor activity
*Always consult/check with your doctors for any medical advices concerning the air quality and your health
