Auto-zero system for pressure transducers

Details Auto-zero system for pressure transducers Auto-zero system for pressure transducers

1980-11-03

1983-05-17

Woodiel, Donald O.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

73714, 73724, G01L 2700

Patent

active

043834310

ABSTRACT:
An apparatus for automatically compensating for deviation of a capacitance manometer reading from true pressure. The capacitance manometer is connected to a source of pressure having a value less than the pressure the capacitance manometer is capable of reading and the indicated pressure is stored as a correction factor. Thereafter, each pressure read by the manometer is adjusted by the correction factor.

REFERENCES:
patent: 4204422 (1980-05-01), Inoue et al.
Roehrig et al., 1961 Transactions of 8th Nat. American Vacuum Society Sym., pp. 511-518.

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