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The higher the concentration of PM2.5 in the air, the more serious the air pollution becomes. As air pollution becomes more and more serious, people are paying more and more attention to PM2.5. PM2.5 refers to particles with a median diameter of 2.5 microns or less in the aerodynamics of the ambient air.   To have more accurate monitoring of PM2.5 in the atmosphere, I learned that China has built the world's most atmospheric monitoring station, and the national monitoring network for PM2.5...

I. Structure and Principle 1. Laser dust sensors When we mention the phrase "laser", the first thing that comes to mind is the cool and powerful laser weapons in science fiction movies. In fact, lasers are widely used not only in the military, but also in medical, illumination, ranging, cutting, IT and other fields. The word "LASER" stands for Light Amplification Stimulated Emission Radiation. Common lasers can be generally divided into three types: solid lasers,...

1. Properties of PM2.5 & PM10 PM2.5 refers to particulate matter smaller than 2.5 micrometers in the air, also known as fine particulate matter and particulate matter which can go directly to the alveoli of the lungs. PM2.5 has a small particle size and strong activity, and is easy to carry toxic and harmful substances. It can stay in the atmosphere for a long time, which has a great impact on human health. PM10, a kind of inhalable particulate matter with particle...

Air pollution results in millions of premature deaths throughout the world each year. Rapid industrialization has wrought intense levels of air pollution that pose a serious threat to people's health. Air purifiers are widely used as home appliances, effectively removing PM2.5 and improving indoor air quality. How to choose an air purifier and how to exactly know its purification effect? Its built-in dust sensor is the key and it can realize intelligent monitoring and automatic...

1. Appliance & Electronics World Expo (AWE) Date: March 23-25, 2021 Address: National Exhibition and Convention Center (Shanghai) Exhibition Area: 150000㎡ The Number of Exhibitors: 2000+   2. AIRVENTEC CHINA (SHANGHAI) 2021 Date: June 2-4, 2021 Address: National Exhibition and Convention Center (Shanghai) Exhibition Area: 10000㎡ The Number of Exhibitors: 300+