Adjustable gas chamber and flue gas analyzer

The invention provides an adjustable gas chamber which comprises a body and a measuring cell arranged in the body, and further comprises a light beam emitting assembly, a receiving assembly and a lens assembly which are arranged on the body, and light beams emitted by the emitting assembly are transmitted to the receiving assembly through reflection of the lens assembly; a spherical seat is arranged on the body, the lens assembly is installed on the spherical seat, the spherical seat is used for adjusting the angle of the lens assembly so as to correct the reflection angle of the light beam, the invention further provides a flue gas analyzer, and therefore when the gas chamber works in a high-temperature environment, the angle of the lens assembly can be conveniently adjusted, and the angle of the lens assembly can be adjusted conveniently. The optical path is corrected, and the test accuracy is ensured. 本发明提供一种可调式气体室，包括本体以及设置在所述本体内的测量池，还包括分别设置在所述本体的光束发射组件、接收组件以及镜片组件，所述发射组件发出的光束经所述镜片组件的反射传递至所述接收组件，所述本体上设有球形座，