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[Chemical Knowledge]：Analysis of working principle of magnetic level gauge

Read： 452 Time：13months ago Source：Transform the World with Simplicity

As a kind of liquid level measurement equipment widely used in industrial production, magnetic level gauge has the advantages of high precision, strong reliability and convenient installation, and has become one of the important technical means in the field of liquid level measurement. The working principle of the

magnetic level gauge is to use the magnetic principle to measure the height of the liquid level. Usually use floating ball structure, by the sensitive element, floating ball, guide plate, bracket and other parts. When the floating ball floats on the surface of the measured liquid, the magnetic material in the floating ball will be affected by the external magnetic field, which will be converted into a driving current signal, and finally realize the measurement of the liquid level height.

Specifically, the sensitive element of the magnetic level gauge adopts a high-precision magnetoresistive sensor or a Hall sensor. The interior of the floating ball is composed of magnetic materials, seals and explosion-proof components. When the float floats on the surface of the measured liquid, the liquid pushes the float to move up and down, and the magnetic material inside the float rises and falls, which can change the magnetic flux of the sensor, so as to realize the measurement of the liquid level height.

, it is worth noting that the magnetic level gauge also needs to be fitted to the density, temperature and other factors of the liquid for error calibration. In the process of installation and use, it is also necessary to repair, replace or optimize the system regularly to ensure the accuracy and reliability of the measurement. The

magnetic level gauge has certain advantages in measuring the height of the measured liquid by using the magnetic principle. Its working principle is simple, high precision, convenient installation, reliable use, is widely used in petrochemical, chemical, electric power and other fields of liquid level measurement occasions.

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