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Discussion on the market of air quality detection sensor application

Update: 2019-09-09 15:51 Source: LUFTMY

Haze weather does not only occur in winter, but also in summer. For this reason, many household users buy air purifiers at the same time, they also place a portable air quality detector, commonly known as haze meter, at home. At present, different brands of air quality detectors and purifiers on the market are gradually popular in China. Their price ranges from hundreds to thousands of yuan. Some use dust infrared sensors, some use laser dust sensor detection technology. The accuracy of the results of these detectors and purifiers has become everyone's.

Air quality detector haze table
Air quality detector haze table

At present, the types of air detectors on the market can be roughly divided into two types. One is box-type, which looks very professional, while the other is portable, which looks like the remote control of air conditioner. The LCD screen can display PM2.5, formaldehyde, temperature, humidity, total volatile organic compounds and other values.

GDS06 infrared PM2.5 dust sensor
GDS06 infrared PM2.5 dust sensor

Different brands of detectors and purifiers will read different values, different detectors and purifiers use different PM2.5 sensors, from the measurement principle, haze meter is a particle dust sensor, some commercial large particle dust sensors impersonate PM2.5 sensor air quality detection sensor. No small diameter PM2.5 can be measured at all. Even if it is barely measurable, the accuracy is very low. Relatively accurate haze meter, PM2.5 sensor's precision must be very high, can be accurate to single digit.

LD10 laser PM2.5 dust sensor
LD10 laser PM2.5 dust sensor

The LD10 PM2.5 laser sensor is a universal, miniaturized module. Using the principle of laser scattering, the detection of dust particles in the air has good selectivity and stability. Laser dust particle counting sensor LD10 laser dust sensor module with digital output and analog output, easy to use, air quality sensor module small volume, easy to integrate.

Luftmy focuses on the research, production and sales of optical particulate sensor air sensor technology. Air flow sensors and other sensors in measurement accuracy, stability, consistency error, anti-interference and other performance indicators are widely praised by the industry.

TAGair quality sensor particle concentration sensor air quality sensor module air flow sensor laser dust particle count sensor