| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly accurate laser type gas analyzer capable of suppressing the influence of dust in a non-powered manner.SOLUTION: A laser type gas analyzer has a measurement space 38 surrounded by a member, and extended in an X-axial direction, and the member includes: an inner member 32 having a first opening IJ in at least a part of a vertical direction lower side and a second opening 33 in at least a part of a vertical direction upper side; and an outer member 31 disposed outside of the inner member 32 with a predetermined interval with an external surface 32f of the inner member 32 for covering the second opening 33, and extended from the second opening 33 to the first opening IJ. |
