KHR2914 50MPa SUMITOMO Pressure sensor for SH200A3 / 240A3 / 330A3 / 350A3

KHR2914 50MPa KM11-F01 Original SENSOR;PRESS. SH200A3/240A3/330A3/350A3 SUMITOMO Excavator Electric Parts

Pressure sensor is the most widely used kind of sensor, it is the detection of gas, liquid, solid and other materials between the general term of the influence force energy, also includes the measurement of pressure higher than the pressure gauge and the measurement of lower than the pressure gauge. There are many kinds of force sensors. The traditional measurement method is to express the deformation and displacement of elastic elements. With the development of microelectronic technology, the piezoresistive effect and excellent elasticity of semiconductor materials are applied to develop semiconductor force sensors, which are mainly silicon piezoresistive and capacitive. They have the advantages of small size, light weight and high sensitivity, and are widely used by semiconductor force sensors. When a semiconductor is stressed upwards on a crystal, its resistivity changes inevitably. The resistivity changes and stress the mutual relationship between conductors called a semiconductor piezoresistive effect, the effect of mechanical quantity sensor called a piezoresistive type made of force sensor, it has two types, one kind is the semiconductor strain gauge sensor made of paste on the elastic element, called paste piezoresistive sensor type, another kind is the substrate of semiconductor material made of integrated circuit technology diffusion resistance, make the strain gauge sensor, with the whole of silicon substrate to form the same type called diffusion piezoresistive sensor. It is characterized by high sensitivity, high precision, small volume, light weight, high working frequency, simple structure, reliable operation and long service life.

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