Dust particle counter working process

Dust particle counter mostly we call it fine particulate matters because dust only one of the reason to cuase air pollution and smog.
This air quality tester detect 0.3μm and 2.5μm fine particulate matters, can transfer to p,2.5 and pm10 at the same time.
So dust particulate matters can be tested at the same time.
According to the temperature influence air quality so temperature and humidity also checked by pm2.5 counter

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