Absolute, Gauge, and Differential Pressure Transmitters

2022-02-22
■Introduction
●These pressure transmitters measure pressure by applying the pressure to apiezoresistive silicon microsensor within the sensor assembly. The microsensorconverts the pressure to a change in resistance, and the resistance change isconverted to a 1 to 5 V dc signal that is proportional to the pressure.
◆Absolute pressure transmitters measure pressure relative to vacuum. Gaugepressure transmitters measure pressure relative to ambient air pressure. Bothabsolute and gauge transmitters are used in a wide variety of oil, gas, water andindustrial applications.
◆Differential pressure transmitters measure the difference betweentwopressuresapplied to opposite sides of the sensor. The output signal is proportional to eitherthe differential pressure or its square root.Differential pressure transmitters are often used for measuring fluid flow ratesacross a primary device such as an orifice plate, but can also be used for othertypes of differential pressure measurements such as liquid level, interface level,or density measurements.The pressure transmitter can be supplied with direct-connect or remote pressureseals to isolate the measuring element from corrosive or viscous fluids.

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pressure transmittersAbsolute, Gauge, and Differential Pressure Transmitters

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English Chinese Chinese and English Japanese

2020/6/11

MI 020-613

6.1 MB

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