SeVUp Key: Long press to enter/exit the settings page; Short press to switch measurement
displaying in measure page, or to turn on in settings/memory page.
ON/OFF/ENTER Key: Long press to startup/shutdown; Short press to enter/exit in settings/
memory page.
Memory/Down Key: Long press to enter/exit the memory page; Short press to switch
measurement displaying in measure page, or to down on in settings/memory page.
5-Power ON/OFF
In shutdown mode, long press ON/OFF/ENTER key until the screen light, device power on.
In startup mode, long press ON/OFF/ENTER key until the screen off, device power off.
6-Measure
PM1 O, C02, HCHO,
TVOC measure data
Analog bar
PM2.5
measure data
Temperature/Humidity
measure data
After startup and display measure data, the device will keep measuring not stop, contents
of measure are PM2.5, PM1 O, C02, TVOC, HCHO, temperature and humidlty. Device will refresh
screen every and switch !he display of PM1 O, C02, TVOC, and HCHO every 15 seconds. You
can short press ON/OFF/ENTER key to switch display manually. PM2.5, PM1 O and C02 need
3-5 seconds warm-up time, TYDC need 40 seconds warm-up time, keep for the las! time
the measurement values al this time. Before warm-up finish, measure data are old data. As
analog bar shows, air quality has six alarm level. lf air is polluted, device will alarm based
and number of measure data will change color. AII alarms are based on real measure data.
11 WiFi is able, alarm information can be pushed to your mobile phone.