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Feb

01

How pressure transmitters work Pressure transmitters are commonly used for industrial processes and they are used to gauge the pressure and control the operation of industrial equipment. Pressure transmitters can sense physical variables such as pressure and flow-rate. This can be brought into existence due to the differential measurements. Read More >>

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 >>