The differential pressure sensor diffuses a Wheatstone bridge on a monocrystalline silicon wafer, and the pressure of the measured medium (gas or liquid) changes the resistance value of the bridge wall (piezoresistive effect) to generate a differential voltage signal, which converts the signal corresponding to the range into a standard analog signal or digital signal through a special amplifier. Differential pressure sensors are suitable for differential pressure measurement in liquids, gases, and the process industry.
The differential pressure sensor adopts a compact structure, high static pressure resistance, stable and reliable. The differential pressure sensor is automatically tested by a computer, and the zero point and sensitivity temperature compensation over a wide temperature range are compensated by laser resistance adjustment process. The differential pressure sensor has strong anti-interference, overload and impact resistance, small temperature drift, high stability, and high measurement accuracy, and the differential pressure sensor can be applied to various occasions for measuring differential pressure, and is an ideal differential pressure measuring instrument in the field of industrial automation.
Differential pressure sensors have a wide range of applications in construction machinery, energy industry, water treatment and other industries. For example, differential pressure sensors are used in dust collection equipment to measure the difference in pressure. In the use of differential pressure sensor, it is recommended to install a three-valve group between the measured point and the sensor to ensure that the measured medium is slowly and evenly added to the positive and negative pressure chambers of the differential pressure transmitter.
It is recommended that the differential pressure sensor be leveled with the pressure connections at both ends so that the installation position has less influence on the differential pressure sensor. If the size of the interface does not match the size of the field interface, the self-made adapter can be connected. This ensures that the differential pressure sensor can be used for a long time.
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