Tracer gas leak detector
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United States of America Patent
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Oct 28, 1997
Grant Date -
N/A
app pub date -
May 10, 1996
filing date -
May 12, 1995
priority date (Note) -
Expired
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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'.
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