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The submersible liquid level sensor is a pressure sensor for measuring liquid level. Based on the principle that the measured static pressure of the liquid is proportional to the height of the liquid, an isolated diffusion silicon sensitive element or a ceramic capacitor pressure sensitive sensor is used to convert the static pressure into The electrical signal, after temperature compensation and linear correction, is converted into a standard electrical signal output, which is generally suitable for liquid level measurement of various media in systems and industries such as petrochemical, metallurgical, electric power, pharmaceutical, water supply and drainage, and environmental protection. The probe part of the drop-in liquid level transmitter can be directly poured into the liquid, and the transmitter part can be fixed by a flange or a bracket, which is extremely convenient to install and use.
The input-type liquid level transmitter can convert various level parameter changes into standard current signals and transmit them to the operation control room for remote display or alarm or automatic control by the secondary instrument or computer. Its good structure and installation method can be used for continuous detection of liquid level, material level or level under special conditions such as high temperature, high pressure, strong corrosion, easy crystallization, anti-blocking, anti-cold, and solid powdery and granular materials , Can be widely used in various industrial processes for detection and control.
When selecting the input type liquid level transmitter, you must first examine the application. If it is used in a corrosive environment, you must choose a high protection level and anti-corrosion sensor. Pay attention to the size of the liquid level sensor and the interface requirements. The input transmission sensor is widely used in water plants, sewage treatment plants, urban water supply, high-rise ponds, wells, mines, industrial ponds, water tanks, oil ponds, oil tanks, hydrogeology, reservoirs, rivers, oceans and other occasions. For measurement, the circuit adopts anti-jamming isolation isolation amplification, frequency cut interference design (strong anti-interference ability, anti-lightning strike), over-voltage protection, current-limit protection, impact resistance, anti-corrosion and other designs.
Rika recommends three liquid level sensors: Submersible Liquid Level Transmitter, Radar Level Transmitter, Ultrasonic Liquid Level Transmitter. As with other types of sensors, level sensors are available or can be designed using a variety of sensing principles.
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