FIELD: physics.
SUBSTANCE: pressure transducer has an input for a first pressure of process liquid, designed for receiving a first pressure of the process liquid; an input for a second pressure of process liquid, designed for receiving a second pressure of the process liquid; a differential pressure sensor linked to the first and second pressure of the process liquid; a first pressure sensor linked to the first pressure of the process liquid; a second pressure sensor linked to the second pressure of the process liquid. The pressure transducer also has a circuit which is functionally connected to first and second pressure sensors, as well as the differential pressure sensor. The circuit can measure the first and second pressure of the process liquid, as well as differential pressure, and transmit data depending on the measurement results over a process communication circuit based on the measured first and second process pressure.
EFFECT: reliable and accurate measurement of differential pressure.
16 cl, 5 dwg
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