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Hebei Zhida introduces urea level sensor for you
2023-12-12
The urea level sensor is a sensor device used to monitor the urea level and is widely used in SCR(Selective Catalytic Reduction, Selective Catalytic Reduction) systems. SCR system is a technology used to reduce the emission of nitrogen oxides (NOx) in the exhaust gas of diesel engines. By injecting urea solution into the combustion chamber, it chemically reacts with the NOx in the exhaust gas and converts it into harmless nitrogen and water vapor.
The main function of the urea level sensor is to monitor the level of urea solution in the SCR system to ensure that there is always enough urea solution in the supply system for reaction. The sensor provides accurate urea level information to the vehicle's control unit by detecting the level of urea, so that the system can automatically adjust the urea injection volume to ensure the normal operation of the SCR system.
The working principle of the urea level sensor is based on capacitive or ultrasonic technology. The capacitive sensor uses the capacitance change between two metal plates with electrodes to measure the height of the liquid level. The change of the urea level will cause the difference of the capacitance value. Ultrasonic sensor is by transmitting ultrasonic signal to the urea level, and measuring the rebound time of the signal to calculate the level height.
The urea level sensor is usually composed of a sensor body, a connecting harness and a mounting bracket, which can be easily installed in the urea tank or urea storage tank of the SCR system. The housing of the sensor is usually made of waterproof and anti-corrosion materials, which can operate stably in harsh working environments.
The urea level sensor plays a vital role in the SCR system. It can not only ensure the best work of the system, but also help reduce exhaust emissions and protect the environment. At present, there are many well-known auto parts manufacturers on the market to provide urea level sensor products, users can choose the appropriate model and specifications according to the needs of their vehicles.
In general, the urea level sensor is an indispensable component in the SCR system. Its stability and accuracy have a direct impact on the vehicle's emission performance and fuel economy. With the continuous development of SCR technology, the urea level sensor will continue to improve and improve, and make greater contributions to the environmental protection development of the automotive industry.
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