sensor

COD sensor is a device used to measure the chemical oxygen demand (COD) in water bodies, which can reflect the degree of organic pollution in water bodies. It has a wide range of applications in many fields, and the following is a detailed introduction:   Wastewater treatment and environmental monitoring Wastewater treatment plant In a sewage treatment plant, COD sensors can monitor the COD values ​​ of in-fluent   and effluent in real time. By monitoring the in-fluent   COD value, it can help determine the degree of sewage pollution so that the treatment process can be adjusted in time; monitoring the effluent COD value can ensure that the wastewater meets the national emission standards after treatment and prevent pollutants from affecting the environment. For example, when the in-fluent   COD value suddenly increases, the amount of treatment agent can be increased in time or the treatment process can be adjusted to ensure the treatment effect.   Wastewater d...

The oil-in-water sensor is an instrument specifically used to detect oil substances in water bodies. Its basic principle is to use the characteristic that oil substances will produce fluorescence under ultraviolet light, and measure the fluorescence intensity to infer the concentration of oil substances. The following are some of the main application areas of oil-in-water sensors:   Environmental monitoring Oil-in-water sensors can monitor the mass concentration, solubility and other parameters of oil in water in real time, providing accurate data support for environmental protection. They can accurately detect pollution during the day or night, on land or in water, and can be detected at any temperature. In industrial applications, these sensors are used to monitor leaks in oil and gas production, monitor industrial wastewater treatment, monitor oil emissions from ships, and conduct environmental monitoring.   Monitoring water quality at water sources Oil-in-water sensors ca...

Residual chlorine refers to the chlorine content remaining after a certain period of time after the chlorine disinfectant is added to the water. An appropriate amount of residual chlorine can effectively kill bacteria, viruses and other microorganisms in the water, ensuring the hygiene and safety of drinking water. However, excessive residual chlorine content can also cause harm to the human body, such as irritation to the eyes, skin and respiratory tract. Therefore, mastering the range of residual chlorine content in water is of great significance to ensure water quality safety.   Residual chlorine detection method Residual chlorine can be detected in many ways. The following are several common detection methods: Rapid test kit This is a convenient and efficient rapid detection tool that can quickly determine the range of residual chlorine content in water through simple operation steps. This test kit uses advanced chemical reaction principles to simplify the complex detection pr...

Drought is a serious meteorological disaster that has a profound impact on agricultural production, ecological environment and water resources management. Among them, the impact of drought on soil moisture is particularly significant, as shown below:   Decrease in soil moisture Under drought conditions, precipitation is significantly reduced, resulting in insufficient soil moisture replenishment, which in turn causes a decrease in soil moisture content. Soil moisture is the basis for plant growth, and its reduction will directly affect the normal physiological activities of plants and even cause plant death.   Uneven distribution of soil moisture Drought can cause uneven distribution of soil moisture in the vertical and horizontal directions. For example, shallow tillage soil moisture is mainly stored in the topsoil of 5~20~25 cm, while less moisture is stored in the 20~25 cm soil layer. This is because in the case of shallow tillage, the deep soil is not turned over, forming...

Due to its highly pure characteristics, distilled water has a wide range of applications in laboratories, daily life, industry and other fields: Laboratory application As an experimental reagent: Many experiments require the use of high-purity water as a reagent, and distilled water has a high application value in this regard. For example, in chemical experiments, high-purity water is required when preparing standard solutions to avoid the influence of impurities in the water on the experimental results. Maintaining experimental equipment: Many equipment in the laboratory need to be rinsed and maintained with pure water to ensure the normal operation of the equipment. Equipment such as high-performance liquid chromatography   and atomic absorption spectrometers need to be rinsed and cleaned with distilled water. Cleaning the laboratory environment: Distilled water can also be used for laboratory environmental cleaning, such as cleaning laboratory floors and counter tops . Ensuring...

Lowering the pH value of a swimming pool can be achieved in several different ways. Here are some common methods: Using a pH reducer Using a pH reducer is one of the most direct and effective methods. This type of agent is usually a high-purity acidic substance that can quickly reduce the pH value of the pool water. When using, add this product at a dosage of 15 grams per cubic meter of water for every 0.5 degree pH value reduction, that is, 1.5 kg of this product is required for 100 cubic meters of water to reduce the pH value by 0.5 degrees. Dilute this product with water and sprinkle it directly on the pool surface. Slow-release method The slow-release method is a method of adjusting the pH value by adding substances that can slowly release acid and alkali to the water. Commonly used slow-release substances include coral sand, volcanic rock, olive leaves, sunken wood, black water, etc. This method is very effective for slightly alkaline or acidic water and can be used alone. For ha...

Distilled water refers to water that has been evaporated and then condensed by distillation technology to remove impurities and pollutants from it and obtain pure water. This process involves heating water to boiling, evaporating it, and then condensing the water vapor back into liquid water, which can effectively remove minerals, ions and other soluble solids in the water.   Preparation method of distilled water The preparation method of distilled water is mainly through a heating and condensation process through equipment such as a distiller. In this process, the source water is heated to boiling, and the water vapor is collected and condensed into water to obtain pure distilled water. Since a large amount of heat energy is consumed in the distillation process, the production cost of distilled water is relatively high.   Uses of distilled water Distilled water has a wide range of applications in many fields due to its pure and impurity-free characteristics: Laboratory resea...

Definition and function Soil moisture refers to the amount or proportion of water contained in the soil. It is an important variable that controls the water and energy exchange process between land and atmosphere. It plays a vital role in the horological   cycle and climate system, and is also very important for agricultural drought monitoring and prediction. Appropriate soil moisture is essential for the root development of crops. It can promote the growth and expansion of the root system, increase the contact area between the root system and the soil, and improve the root system's ability to absorb water and nutrients, thereby increasing the growth rate and yield of crops. At the same time, soil moisture will also affect the regional ecosystem. When its water content is lower than the water requirement of plants, disasters may occur. It has been widely used in the monitoring of regional drought.   Influencing factors Climate conditions Climate factors such as precipitation,...