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Jan

30

How piezoresistive pressure sensors work A piezoresistive pre​ssure sensor contains several thin wafers of silicon embedded between protective surfaces. The surface is usually connected to a Wheatstone bridge, a device for detecting small differences in resistance. The Wheatstone bridge runs a small amount of current through the sensor. Read More >>

Jan

28

Advantages and disadvantages of using a 4 to 20 mA signal The 4-20mA current loop is a common method of transmitting sensor information in many industrial process-monitoring applications – typically in systems monitoring pressure, temperature, pH, or other physical factors. These systems employ the familiar 2-wire, 4-20mA current loop, in which a single twisted-pair cable supplies power to a module and also carries the output signal. Read More >>

Jan

20

Pressure sensor definition A pressure sensor is part of the pressure gauges, which transform as the first link in a chain measuring the physical quantity pressure (force per unit area) into an electrical output as a measure of the pressure. The SI unit for pressure is Pascal with the unit symbol Pa. According to DIN 1301 is also the bar Read More >>

Jan

20

The differential pressure sensor The differential pressure sensor is a pressure sensor that measures the difference of two absolute pressures, the so-called differential pressure. The differential pressure sensor may consist of two measuring chambers by a diaphragm hermetically separated from one another. Read More >>

Sep

30

The characteristics of the pressure transmitter for industrial applications In the industrial field, the ever-changing working conditions. Different measurement media, different environment, the requirements of pressure transmitter are different . Generally, the pressure transmitter has the following characteristics: 1, anti-vibration 2, anti-corrosion 3, anti-interference 4, anti-moisture 5, resistance to high temperature 6 resistance to shock 7,high-precision 8, high stability Read More >>