Differential pressure transmitter

Details Differential pressure transmitter Differential pressure transmitter

1987-06-29

1989-06-27

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With protective separator

73717, 73756, 7386147, G01L 708, G01L 900, G01L 1302, G01L 1500

Patent

active

048417769

ABSTRACT:
In a differential pressure transmitter, the respective measurement pressures are applied to a pair of barrier diaphragms respectively disposed on both side surfaces of a body, and movement of a sealed liquid caused by a differential pressure thereof is extracted as an electrical output by a differential pressure measuring pressure sensor provided by partitioning a sealing circuit. A sensor housing is manufactured independently of the body. The differential pressure measuring pressure sensor and a static pressure measuring pressure sensor for measuring a static pressure when applied with a measurement pressure applied to one of the pair of barrier diaphragms and a reference pressure such as an atmospheric pressure, are disposed in the housing. The housing is fixed to a housing mount portion of the body.

REFERENCES:
patent: 1018561 (1912-02-01), Hitchcock
patent: 4347745 (1982-09-01), Singh

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