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PM2.5 sensor application scheme of hand-held air quality detector

Update: 2019-11-20 16:07 Source: LUFTMY Reading: ↻ News
 

Air pollution is becoming more and more serious,With the word "PM2.5" put forward, people begin to pay more and more attention to the environmental problems around our lives. PM2.5 refers to the particles with an equivalent aerodynamic diameter of less than or equal to 2.5 μ m in the ambient air, also known as fine particles. The higher the value, the more serious the air pollution.The occurrence of haze is precisely caused by PM2.5 fine particle suspension.Hand held air quality detector can help us to check the air quality of the surrounding environment, and display the carbon dioxide concentration, temperature and humidity, and PM2.5 value in the air.

Hand-held air quality monitor
Hand-held air quality monitor

Temperature and humidity sensor

The temperature and humidity sensor used in the air quality testing instrument should have high sensitivity, fast reaction time, stable and reliable performance.

PM2.5 sensor of air quality monitor
PM2.5 sensor of air quality monitor

Carbon dioxide sensor

The carbon dioxide sensor used in air quality testing instrument has high stability and reliability, long service life, small size sensor, large measuring range and high precision.

Working principle of PM2.5 sensor of air quality detector
Working principle of PM2.5 sensor of air quality detector

Formaldehyde sensor

The temperature and humidity sensor used in air quality testing instrument should be continuous acquisition, fast response time and strong anti-interference.

PM2.5 dust sensor

The sensor used to measure PM2.5 on the air quality testing instrument can choose the dust detection sensor HPD05 of LUFTMY, the sensor manufacturer. Through the conversion of optical path and circuit, the dust concentration within the detection range can be measured. The dust detection sensor HPD05 has the characteristics of small volume, high precision, low power consumption, short response time, stable operation under high dust concentration, and can be used in hand-held air quality detector.

HPD05 Infrared PM2.5 dust sensor
HPD05 Infrared PM2.5 dust sensor

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