Gas analyzing apparatus

Details Gas analyzing apparatus Gas analyzing apparatus

1996-08-22

1998-07-14

Williams, Hezron E.

Measuring and testing

Gas analysis

With compensation detail

250373, G01N 2100

Patent

active

057807167

ABSTRACT:
A gas analyzing apparatus includes a sample gas line with a sample line valve for providing a sample gas, and a reference gas line with a reference line valve for providing a reference gas. A first gas analyzer is connected to the sample line downstream of the sample line valve, and a second gas analyzer is connected to both the sample and reference gas lines downstream of the valves. The lines are configured such that sample gas and reference gas may be alternately provided to the second gas analyzer either directly or indirectly via the first gas analyzer.

REFERENCES:
patent: 3498106 (1970-03-01), Fuller et al.
patent: 3845309 (1974-10-01), Helm et al.
patent: 4285245 (1981-08-01), Kennedy
patent: 4388411 (1983-06-01), Lovelock
patent: 5357809 (1994-10-01), Vander Heyden
patent: 5542284 (1996-08-01), Layzell et al.

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