Particle
counter we use it to check air quality around us.
Can check both PM2.5 and PM10 in the air. and also can
know the temperate and humidity.
When we use it, we must take off the dust cover. it
is to protect the sensor.
After we use it,then put the dust cover on. and also
remember power on.
Do not let the laser
particle counter in a very hot place or near fire because it have buttery
inside.
It is better put machine back to the box and put box
in a dry place.
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