Tracer gas leak detector

Details Tracer gas leak detector Tracer gas leak detector

1996-05-10

1997-10-28

Brock, Michael

Measuring and testing

With fluid pressure

Leakage

G01M 320

Patent

active

056819838

ABSTRACT:
A tracer gas leak detector includes a mass spectrometer delivering a signal q proportional to the partial pressure of the tracer gas in the spectrometer, wherein the detector further includes apparatus for obtaining from the signal q a signal ##EQU1## where A is an adjustable amplifier coefficient and dq/dt is the time derivative of the signal q, and apparatus for obtaining an output signal referred to as the processed signal of the form q.sub.t =q+q'.

REFERENCES:
patent: 4083231 (1978-04-01), Mennenga

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