| 摘要 |
Provided is a laser-type gas analyzer with which analysis that is stable over a long period of time can be achieved, and in which calibration work is facilitated by the adoption of a structure in which calibration is possible without detaching the gas analyzer from its installation position. A laser-type gas analyzer 1 is configured such that a light-emitting unit 10, a gas cell 20, and a light-receiving unit 30 are disposed on the outer side of a duct 120. During measurement, a gas to be analyzed, which is introduced from the duct 120, flows into a measurement space 21 in the gas cell 20. During calibration, a calibration gas flows into the measurement space 21 in the gas cell 20. |
