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[Chemical Knowledge]：Working principle and application scenario of diaphragm pressure gauge

Read： 374 Time：20months ago Source：Transform the World with Simplicity

The diaphragm pressure gauge is a common pressure measuring instrument, and its working principle is based on the deflection of the diaphragm. The diaphragm is a thin sheet made of metal or non-metal materials, which has good flexibility and high corrosion resistance. During use, the diaphragm is in contact with the measured medium. As the pressure of the medium changes, the degree of deflection of the diaphragm will also change. The sensor is used to convert the deflection degree of the diaphragm into an electrical signal output, so as to realize the measurement and control of the medium pressure.

diaphragm pressure gauge has the advantages of wide measurement range, high precision and long service life. It is widely used in pressure measurement and control in chemical, pharmaceutical, food, aerospace and other fields. Among them, the chemical industry is one of the main application areas of diaphragm pressure gauges. There are many kinds of media involved in chemical production, such as acid and alkali, solvent, etc. These media are corrosive to traditional pressure measuring instruments, resulting in short service life and low accuracy. The diaphragm pressure gauge can be used to adapt to the measurement of various media by replacing the diaphragm of different materials. It has certain corrosion performance and is suitable for pressure detection of various media in chemical production.

In addition, the diaphragm pressure gauge in the pharmaceutical, food and other industries also has important application value. The drugs produced by the pharmaceutical industry are directly applied to the human body, which requires high precision of drug crystal form, adhesion and other parameters. It is necessary to monitor the pressure in real time during the production process to ensure the stability of drug quality. The food industry has similar needs, such as the need to track and adjust the pressure in the sugar process to ensure the quality of the syrup.

in the field of aerospace, diaphragm pressure gauge also played an important role. Precise measurement of fuel and oxidant pressures is required during spacecraft propulsion and orbit control to ensure precise control and safe operation of thrusters. The diaphragm pressure gauge has become one of the preferred measuring instruments in the aerospace field because of its high measurement accuracy and long service life.

Generally speaking, the diaphragm pressure gauge is a pressure measuring instrument with high precision and long service life. It is based on the working principle of diaphragm deflection and is suitable for pressure measurement and control in chemical, pharmaceutical, food, aerospace and other fields. It plays an important role in different industries.

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