Warnings!
not place the detector in the environment with formaldehyde(HCHO)
concentration above 0.5mg/m3 and PM2.5 above 500ug/m3 for a long
time. Otherwise, the sensor may be damaged and cannot run normally.
not use the detector in humid environment in order to maintain the
detection accuracy.
*Do not cover the air inlet/outlet while in use.
*Try to avoid usingthe product in the environment with strong ardour or
pungent smell. Otherwise the high accuracy electrochemical sensor may be
damaged.