Gage pressure output from an absolute pressure measurement...

Details Gage pressure output from an absolute pressure measurement... Gage pressure output from an absolute pressure measurement...

2005-06-21

2005-06-21

Oen, William (Department: 2855)

Measuring and testing

Fluid pressure gauge

Electrical

C073S716000

Reexamination Certificate

active

06907790

ABSTRACT:
A pressure measurement device comprising an absolute pressure sensor and a bus coupling serial communication and energization to an electrical connector in a field wiring compartment. An atmospheric pressure sensor module is connected to the bus at the electrical connector. The bus provides the energization to the atmospheric pressure sensor module and the bus receives a serial communication signal from the atmospheric pressure sensor module. The serial communication signal includes numeric data representing atmospheric pressure. The pressure measurement device provides a gage pressure output as a calculated difference between the sensed absolute pressure and the received numeric data.

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International Search Report for International Application No. PCT/US2004/007389, filed Mar. 11, 2004, dated Jul. 22, 2004.

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