5603533

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The application field of 5603533 refers to a device used to measure the size of suspended particulate matter suspended in the air. The principle of its work lies in the fact that a certain quantity of air is injected into the sample absorption tube for testing, and the sample absorption tube is composed of quartz pipes, and the quartz pipes are divided into two parts, the upper part being a filter element and the lower part being a measuring element. The suspended particles, such as suspended dust and smoke (PM2.5), in the air are collected on the surface of the filter element, and the optical signal collected by the measuring element is sent to the monitoring device, where the size and concentration of the suspended particles are represented by the signal increment, and the concentration of particles can be calculated.

5603533 can accurately detect the concentration of suspended particulate matter in the air, especially for PM2.5, and is applied in many fields, including environmental protection, biomedicine, aerospace, and urban air quality monitoring. This device has a wide range of applications and can be used in various fields, such as air pollution monitoring, toxic gas monitoring, indoor air quality monitoring, and nuclear power plant radiation protection monitoring.

The working principle of 5603533 is based on optical detection technology. The suspended particulate matter in the air is collected on the filter element, and then the number of absorbed particles is counted by the measuring element. As a particle sensing device, 5603533 utilizes optical detection technology to accurately measure the concentration of particles in the air. When the sample absorption tube is filled with air, the volumetric concentration of suspended particles in the air sample is measured using a light source and a light receiver.

The light source is usually an LED, and the light receptor is usually an air-gap type photosensitive tube. A certain amount of air is taken into the sample absorption tube through the pump, and then the light passing through the sample absorption tube is detected by the light receptor. In the light receptor, the signal light attenuates with the increase of particle concentration in air, resulting in an output current change. At this time, the device can accurately measure the concentration and size of the particulate matter in the air.

At present, 5603533 has been widely used in air pollution monitoring, toxic gas monitoring, indoor air quality monitoring and other fields. Compared with other particle detection devices, the working principle of 5603533 has the advantages of rapid response speed, low power consumption and accurate measurement. It is an ideal device for detecting the particulate matter in the air.

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