GAS CONCENTRATION ANALYZER AND GAS CONCENTRATION ANALYSIS METHOD
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United States of America Patent
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Issued Date -
Oct 20, 2016
app pub date -
Apr 11, 2016
filing date -
Apr 11, 2016
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Abstract
A gas concentration analyzer includes: a light emitting module configured to emit a laser light with which an ethylene gas that is a measurement target gas is irradiated; a light receiving module configured to receive the laser light that has passed through the measurement target gas to output a light receiving signal; and a calculation controller configured to calculate an absorption spectrum of the laser light using the light receiving signal, and to calculate amounts of methane and amounts of ethane in the ethylene gas that is the measurement target gas based on the absorption spectrum, wherein the laser light with which the measurement target gas is irradiated is included in a wavelength region with a wavelength of 3.42 μm or more and 3.71 μm or less.
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