Pressure transmitter with overpressure protection
作者： Charles R. Willcox , Galina Vladimirovna Cherkashina , Pavel Aleksandrovich Petukhov , Aleksandr Valdimirovich Fetisov
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摘要: A process fluid pressure transmitter is provided. The includes a sensor having an electrical characteristic that changes in response to deformation of the pressure. Measurement circuitry coupled and configured provide indication characteristic. An isolation diaphragm contact deform substantially incompressible fill fluidically couples sensor. overpressure compliant structure be rigid at pressures below selected threshold, but above threshold.
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