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Industrial process transmitter with high static pressure isolation diaphragm coupling

  • US 8,448,519 B2
  • Filed: 10/05/2010
  • Issued: 05/28/2013
  • Est. Priority Date: 10/05/2010
  • Status: Active Grant
First Claim
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1. A process transmitter for measuring a process variable, the process transmitter comprising:

  • a sensor module comprising a sensor for measuring a process variable of an industrial process and for generating a sensor signal, wherein the sensor includes a hydraulic fluid inlet within the module; and

    a first static pressure coupling connected to the sensor module, the first static pressure coupling comprising;

    a first isolator fitting inserted into the sensor module and connected to the hydraulic fluid inlet;

    a first process fluid coupling joined to the first isolator fitting; and

    a first isolation diaphragm positioned between the first isolator fitting and the first process fluid coupling outside of the sensor module.

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