Method and arrangement for operating gas examining apparatuses

Details Method and arrangement for operating gas examining apparatuses Method and arrangement for operating gas examining apparatuses

1979-04-25

1981-04-21

Gill, James J.

Measuring and testing

Gas analysis

Gas chromatography

73 1G, 734215R, G01N 126

Patent

active

042625220

ABSTRACT:
A method of operating a gas examining apparatus which has a gas examining device such as a mass spectrometer, a chamber communicating with the gas examining device, a gas pump communicating with the chamber and a probe hose coupled to the chamber for introducing into the apparatus gas to be examined. According to the method, in case probe hoses of different lengths or different quantities are used, the gas examination is so performed that the pressure in the above-mentioned chamber arranged upstream of the gas examining apparatus is maintained constant.

REFERENCES:
patent: 3427862 (1969-02-01), Hubner
patent: 3531980 (1970-10-01), Pennucci
patent: 3537296 (1970-11-01), Gamache
patent: 3921457 (1975-11-01), Barnes et al.

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