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Diaphragm pressure gauge is a superior pressure gauge, which is more scientific and reasonable than ordinary pressure gauge structure and material selection for specific application requirements on site. It can also meet the special needs of some special industries.
1. The diaphragm material for diaphragm pressure gauge can be Hastelloy, Monel, etc., but their performance is very good and can meet the needs of different industries.
2. The function of the diaphragm is to feel the pressure of the measured medium and transmit the pressure to the pressure gauge through the filling liquid to display the pressure value of the measured medium.
3. The application of the diaphragm pressure gauge is closely related to the temperature. The filling liquid of the diaphragm part will expand after being heated, and may deform and form internal pressure. If the temperature exceeds a certain range of the normal temperature, the measurement will have error, so we need to pay attention to the temperature of this pressure gauge.
4. Since the diaphragm pressure gauge is connected by a hose when it is used, if its position is not correct during installation, a hydraulic pressure difference will be formed, so the installation position must be correct.
In the process of using the diaphragm pressure gauge, its pointer may rush below the stop due to the instantaneous pulse of the measured medium. At this time, the pointer of the pressure gauge cannot return to the zero position. Sometimes, if the pressure gauge is working for a long time under a certain fixed pressure under the vibration conditions of the installation environment, the sector teeth will be worn out. At this time, it is necessary to check in detail whether its movement is normal. There are many instruments don't work because the movement is damaged.
In order to reduce the wear and tear of the pressure gauge during use, the pressure gauge can be equipped with dampers or shock absorption measures, and the sector teeth can also be widened, which can help extend its service life. In fact, pressure gauges such as diaphragm pressure gauges generally do not wear out when they are in use. You only need to pay a little attention in normal times.
