Applications of pressure sensor:
Pressure sensor is the most common sensor in industrial practice,it is widely used in various industrial control environment,involved in water conservancy and hydropower, railway transportation, intelligent buildings, production control, aerospace, military industry, petrochemical, oil, electric power, ships, machine tools, pipe, and many other industries,following is the brief introduction about the pressure sensor application.And the main products of our company is ceramic pressure sensor and diffusion silicon pressure sensor.
Ceramic pressure sensor(QP-83C):
voltage signal,which is proportional to the pressure of the highly linear, and proportional to the excitation voltage; the standard signal,according to the different calibration of pressure range, is 3.3/2.0/3.0 mV/V, etc., and it can be compatible with strain gauge sensor.Through laser calibration, pressure sensor has high stability and time stability,the sensor itself has temperature compensation 0 ~ 70 ℃, and can directly contact with vast majority of media.
material with high flexibility, corrosion resistance, wear resistance, resistance to impact and vibration.Thermal stability properties of ceramics and its thick film resistor can make its working temperature range, up to 40 ~ 135 ℃, and has high precision, high stability of the measurement.> 2 kv electrical insulation level, the output signal is strong, good long-term stability.High characteristics and low price of ceramic sensors will be the development direction of pressure sensor, in Europe and the United States it has a tendency to fully replace other kinds of sensors, also more and more users in China use ceramic sensors instead of diffused silicon pressure sensor.
Diffusion silicon pressure sensor（all pressure sensor except QP-83C）
Pressure of the measured medium will effect directly on the diaphragm of the pressure sensor(stainless steel or ceramic),to make diaphragm micro displacement which is proportional to the medium pressure, to make the sensor resistance change, and use electronic circuit to detect the change, and transfer and output a standard measurement signal corresponding to the pressure.
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