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PRESSURE TRANSMITTER WITH REMOTE SEAL DIAPHRAGM AND CORRECTION FOR TEMPERATURE AND VERTICAL POSITION ( ALSO DIAPHRAGM STIFFNESS )
PRESSURE TRANSMITTER WITH REMOTE SEAL DIAPHRAGM AND CORRECTION FOR TEMPERATURE AND VERTICAL POSITION ( ALSO DIAPHRAGM STIFFNESS )
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机译:具有远端密封膜片的压力变送器和温度和垂直位置的校正(膜片刚性)
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摘要
A pressure or flow transmitter (11) having a pressure sensor (27) disposed in a transmitter housing (14). The pressure transmitter (11) includes a diaphragm (18) remote from the pressure sensor (27). The diaphragm (18) is connected to the pressure sensor (27) with capillary tubing (22) containing a fluid. The diaphragm (18) is disposed at a relative vertical position (H) from the transmitter housing (14). The transmitter (11) contains circuitry (58, 60, 62, 64) which provides a transmitter output as a function of the pressure output, the circuitry (58, 60, 62, 64) adjusts the transmitter output as a function of the relative vertical position (H) of the diaphragm (18).
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