Method and apparatus for pressure measurement using fill tube

Measuring and testing – Fluid pressure gauge – Diaphragm

Reexamination Certificate

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Details

C073S716000, C073S717000, C073S723000

Reexamination Certificate

active

07954383

ABSTRACT:
A pressure sensor includes a fill tube which is arranged to couple to a process pressure. A sensor is coupled to the fill tube and is configured to measure pressure of fluid in the fill tube as a function of a change of a physical property of the fill tube. Circuitry is provided to measure pressure using the pressure sensor, and to measure pressure based upon the change of the physical property of the fill tube.

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