Air particle counter working principle with imported laser sensor

Laser particle counter according to the ISO14644-1 and GMP design also with the LED screen.
Can test fine particulate matters both the weight μg/m³ and quantity PCS/L.
Air particle counter can also know the current temperature and humidity result.
The best helper to check air quality indoor and also demo the air purifier.


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reprinted:  http://www.ionaircleaner.com/health_and_environment/2411.html