Low flow sampling and analysis system
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United States of America Patent
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-
Apr 19, 1988
Grant Date -
N/A
app pub date -
Dec 16, 1986
filing date -
Dec 16, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus are disclosed for measuring the gaseous content of industrial process gas streams. Gas is removed from the stream at a low flow rate, under 1 liter per minute, and is passed through a heated filter to remove particulates. The gas is then cooled to about 35.degree. to 70.degree. F. in order to condense water from the stream, and is passed through a metering pump which supplies a precisely metered amount of gas which can be mixed with air for dilution. The gas is then analyzed for the desired components.
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