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Shanghai Tiandao Instrument Co., Ltd
Overview of the working principle and functional characteristics of air quality detectors
Date: 2025-10-21Read: 0
Air quality detectorIt is a professional equipment used to monitor the content of various pollutants in the air, and its working principle and functional characteristics determine its important position in environmental monitoring.
1、 Working principle
Air quality detectorMainly through sensor technology to detect pollutants in the air. Different types of pollutants require specific sensors for identification and measurement. These sensors work based on different physical and chemical principles, and when target pollutants in the air come into contact with the sensors, it can cause changes in the internal physical or chemical properties of the sensors.
For particulate pollutants, the principle of optical scattering is usually used. When light shines on particles in the air, the particles scatter the light. By detecting parameters such as the intensity and angle of the scattered light, the concentration and particle size distribution of the particles can be inferred. The internal circuit system of the detector amplifies, processes, and converts the signals detected by the sensors to display the concentrations of various pollutants in intuitive numerical or graphical form.
2、 Functional Features
It has the characteristic of real-time monitoring, which can continuously detect pollutants in the air and display the detection results in real time. This allows users to timely understand the dynamic changes in the surrounding air quality.
It also has the function of multi parameter detection, which can simultaneously detect various types of pollutants and provide users with comprehensive air quality information.
In addition, it usually has data storage and transmission functions. The detected data can be stored for easy viewing and analysis in the future, and some can also be transmitted to other devices or platforms through wireless communication technology to achieve remote monitoring and data sharing.
partAir quality detectorIt also has intelligent alarm function, which can promptly issue an alarm when the concentration of pollutants exceeds the preset safety threshold, reminding users to take corresponding measures to ensure people's health and safety.
With its scientific working principle and practical functional characteristics, it provides strong support for monitoring and improving air quality.