Gas analyzer with real-time broadband monitoring and snapshot selective detection
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United States of America Patent
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Dec 9, 2003
Grant Date -
Apr 17, 2003
app pub date -
Oct 15, 2001
filing date -
Oct 15, 2001
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Abstract
A gas analysis system and method use foreground broadband gas monitoring and background selective gas analysis. The foreground broadband monitoring indicates concentrations of a class of chemicals or contaminants in a gas sample, provides real-time warnings of contaminants, and can activate the background selective analysis. Separate broadband detectors and gas analyzers can respectively perform broadband monitoring and selective analysis. To reduce system components, a broadband detector that performs broadband monitoring switches to measure concentrations of chemicals output from a separation device for the selective analysis.
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