Anti corrosion level gauge made of PFA material with high precision

Principle of PFA anti-corrosion magnetostrictive level gauge

PFA anti-corrosion magnetostrictive level gauge is an industrial equipment used for measuring liquid levels. It combines the advantages of magnetostrictive technology and anti-corrosion materials such as PFA, and is suitable for measuring the liquid level of corrosive liquids. The following is a detailed introduction to its working principle:

working principle

Magnetostriction effect

The working principle of magnetostrictive level gauge is based on the magnetostrictive effect. When a current pulse propagates along a magnetostrictive wire (waveguide), a circular magnetic field is generated. Outside this waveguide, there is a float that moves with changes in liquid level, and the float is equipped with a permanent magnet inside. When the current magnetic field meets the float magnetic field, a twisted pulse, known as a return pulse, is generated. By measuring the time difference between the current pulse and the return pulse, the position of the float can be accurately determined, thereby determining the height of the liquid level.

PFA anti-corrosion properties

PFA (perfluoroalkoxy resin) is a high-performance anti-corrosion material with excellent chemical stability and temperature resistance. The use of PFA material in magnetostrictive level gauges can effectively resist the erosion of corrosive liquids such as acid and alkali, and extend the service life of the equipment.

structural composition

The magnetostrictive liquid level gauge mainly consists of the following parts:

1. Detection rodAs the carrier of waveguide wires, it is usually made of stainless steel and embedded with magnetostrictive waveguide wires inside.

2. Circuit unitResponsible for generating current pulses and receiving return pulses, processing and calculating signals.

3. floatEquipped with a permanent magnet that moves with changes in liquid level, generating a return pulse.

4. transmitterConvert the liquid level signal into a standard electrical signal (such as 4-20mA) for remote monitoring and control.

Application scenarios

Due to its high precision, reliability, and excellent anti-corrosion performance, PFA anti-corrosion magnetostrictive level gauges are widely used in industries such as chemical, petroleum, and pharmaceutical, especially in situations where corrosive liquid levels need to be measured.

summary

PFA anti-corrosion magnetostrictive level gauge achieves high-precision level measurement through magnetostrictive effect, while utilizing the anti-corrosion properties of PFA material to ensure stable operation even in harsh environments. This type of liquid level gauge is not only easy to install, but also has low maintenance costs, making it an important component of modern industrial automation control systems.