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It can work continuously and stably under harsh conditions such as high temperature, high pressure, strong corrosion, easy crystallization and easy blockage.For example, in the chemical, oil refining, and other industries.
Generally, it has various signal output modes such as 4 ~ 20 mA, 4 ~ 20 mA superimposed HART communication, 485 communication, CAN bus communication, etc., which is convenient for connecting with different control systems and equipment.
Most of the whole series of transmitters have the self-calibration function, and the user can automatically calibrate the "zero point"and"range" through simple operations, such as key operation.
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The capacitance liquid level transmitter uses the capacitance principle to measure the liquid level.The transmitter consists of two electrodes, one of which is usually connected to the wall of the container and the other is embedded in the liquid to be measured.
When the liquid level changes, the capacitance between the electrodes will change accordingly.The change in capacitance is then accurately measured by a sensing circuit.The capacitance change is then converted into an electrical signal.Amplify, filtering and other operation are performed through a signal processing circuit.
Then, a standard signal proportional to the liquid level height is output, such as a 4-20mA current signal.In this way, the precise measurement and remote transmission of the liquid level are realized.
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Capacitive level transmitters are important in dairy plants.It precisely measures the liquid level of milk in the milk storage tank, which is convenient for accurately grasping the stock of raw materials and reasonably arranging the production and distribution plan.In each reaction kettle and container in the milk processing process, the liquid level change is monitored in real time to ensure the stability of the production process and prevent the occurrence of overflow or idling.
Capacitive level transmitters are important in nuclear power plants.It precisely measures the coolant level in the primary loop of the reactor, ensures the safety and controllability of the nuclear reaction, and ensures that the core is always fully cooled.In the liquid storage tank of the chemical and volume control system of the nuclear power plant, the liquid level changes are monitored in real time to provide precise data for adjusting the water quality and pressure in the reactor.
Capacitance level transmitter is very useful in pharmaceutical factories.It precisely measures the liquid level in the liquid storage tank, facilitates the timely grasp of the stock of raw materials and finished products, and reasonably plans the production and sales arrangements.In the pharmaceutical reactor and other equipment, real-time monitoring of liquid level changes to ensure the stability of the pharmaceutical process and ensure the quality of drugs.
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The new type of capacitance liquid level transmitter has made a great breakthrough in measurement accuracy and stability.The transmitter adopts signal processing technology and sensor design, which can precisely measure the change of liquid level and provide a reliable solution for liquid level monitoring in metallurgical plants.
With the continuous development of global industrial automation, the market demand for capacitive level transmitters continues to grow.According to relevant market research institutions, in the next few years, the application of capacitive level transmitter in metallurgy, chemical industry, electric power and other industries will continue to expand, and the market scale is expected to further enhance.
In water conservancy projects, the monitoring of liquid level is very important for the safe operation of water conservancy facilities such as reservoirs and dams.Because of its high accuracy, high reliability and waterproof performance, the application of capacitive liquid level transmitter in hydraulic engineering has received more and more attention.Some water conservancy project management departments have begun to try to use capacitive level transmitters to monitor water level changes, providing precise data support for the scheduling and management of water conservancy projects.
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