| 摘要 |
PROBLEM TO BE SOLVED: To obtain a small-sized, lightweight and inexpensive infrared gas analyzer simple in constitution. SOLUTION: Stepped parts 5, 6 are formed to the inner peripheral wall of a cylindrical container 1 consisting of a pipe 2 and the lids 3, 4 closing both end openings of the pipe 2 and infrared window plates 7, 8, 9 are bonded to the stepped parts 5, 6 to axially divide the interior of the cylindrical container 1 into four chambers to form a light source chamber 10, a cell chamber 11, a detector front chamber 12 and a detector rear chamber 13.
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