Method and apparatus for preparing a mass spectrometer leak dete

Details Method and apparatus for preparing a mass spectrometer leak dete Method and apparatus for preparing a mass spectrometer leak dete

1974-06-07

1976-07-13

Gill, James J.

Measuring and testing

Instrument proving or calibrating

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

73 407, 250288, 250282, G01M 304

Patent

active

039686752

ABSTRACT:
A leak detector system comprising a mass spectrometer tuned to detect the presence of helium test gas is prepared for operation by reference to the partial pressure of helium in air.

REFERENCES:
patent: 2486199 (1949-10-01), Nier
patent: 3616680 (1971-11-01), Schrader
patent: 3626760 (1971-12-01), Briggs
patent: 3690151 (1972-09-01), Briggs
patent: 3762212 (1973-10-01), Morley et al.

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