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What is a Formaldehyde Sensor? The BA6208 formaldehyde sensor is specifically designed for the detection of formaldehyde gas (CH2O) based on the principle of electrochemical reaction. During the process of house decoration, a substantial amount of formaldehyde gas is often present. It is a colorless, irritating organic compound that has a stimulating effect on the eyes and nose, posing significant harm to human health. On October 27, 2017, formaldehyde was classified as a Group 1 carcinogen by the...

Types of Carbon Dioxide Sensors As people increasingly prioritize environmental and health concerns, the demand for fresh air systems, air conditioning, and other air purification devices is rising. Currently, the penetration rate of such air purification equipment in commercial buildings and residential spaces remains relatively low, indicating significant market potential in this field. In 2021, the global market sales of carbon dioxide (CO2) gas sensors reached $670 million, with an estimated...

2.1 Sensors for monitoring NOx gas Nitrogen oxides are one of the atmospheric pollutants and also the main pollutants that cause photochemical reactions. During the combustion of fossil fuels such as ores, NO 2 and NO will inevitably be produced, and these gases will cause serious pollution to the atmospheric environment. The working principle of the sensor for monitoring NO 2 is that nitrogen oxides react on the oxygen electrode. It is worth noting that Nitrobacter is transformed from nitrate,...

With the rapid development of China's modern agriculture and industry, China's economic strength is also increasing day by day. Human beings consume a lot of natural resources while pursuing economic benefits. In addition, they also cause serious damage to the natural environment and aggravate the harshness of the human living environment. In recent years, various environmental pollutions in nature have become more serious, among which air pollution is one of the most typical representatives....

1. Using infrared light scattering to measure the concentration of dust At present, there are many methods for measuring the concentration of dust at home and abroad, and the measurement methods can be divided into weighing, light scattering, β-ray and micro-oscillating balance. Among these methods, light scattering has the advantages of fast detection speed, good repeatability, and timely data processing, and is widely used in detecting the concentration of dust.   Light scattering refers...

With the development of human beings, air pollution caused by various factors has become more and more serious. To ensure people's quality of life, it is necessary to test the quality of the air in our living environment so that our life can reach a healthier standard. Sensors have gradually become an important application technology in detection. According to this, the principle of the air detection system is analyzed, and the sensor for detecting the quality of the air is mainly analyzed....

The status of air quality  Environmental pollution has always been a problem that cannot be postponed in China, and among these numerous environmental pollutions, air pollution is the most serious, so the detection of air quality is particularly important. At present, China is facing pollution of smoke from burning coal and photochemical smog, and air pollution is the main environmental pollution. Relevant experts in China have found that the air contains a lot of organic compounds, including...

Sources of indoor dust particles Studies have found that various living and office activities such as housework, walking, cooking, smoking, printing, and copying will increase the concentration of indoor dust particles. Various microorganisms that breed from people, pets, the surface of various indoor building materials, and the indoor environment are also sources of indoor particulate matter.   1) In the cooking process, 4.1±1.6mg of inhalable particulate matter is produced per minute,...

With the invasion of smog, dust and industrial waste gas, the quality of air is becoming more and more serious, and it is imperative to improve indoor air monitoring. In recent years, the national air quality has deteriorated, and people are paying more and more attention to the quality of air to take necessary measures in a timely manner, especially those living in densely populated areas of big cities.   CO2 sensors We all know that the content of carbon dioxide is a concern of many people....