Intelligent ultraviolet gas analyzer
A gas analyzer, smart technology, applied in the field of precision instruments
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Embodiment 1
[0045] like figure 1 As shown, the ultraviolet analyzer of the present invention is made up of ultraviolet light source 1, narrow-band interference filter 7, measuring gas chamber 9, reference side photodetector 10 and measuring side photodetector 11, at the outlet of ultraviolet light source 1 A rotatable light cutting wheel 4 is arranged on the side, and a gas filter 3 and a purple transparent glass 5 are respectively arranged at both ends of the light cutting wheel 4 . The gas filter 3 and the violet-transparent glass 5 can be placed at the exit of the ultraviolet light source 1 in turn by the rotation of the cutoff wheel 4 according to the light input requirements during actual measurement. The light cutting motor 2 provides power for the light cutting wheel 4 .
[0046] The ultraviolet light source 1 adopts a xenon flashing lamp.
[0047] A partially reflective mirror 8 for increasing reflected light is arranged in the measuring gas chamber 9 .
[0048] An adjusting le...
Embodiment 2
[0069] Other structures are the same as in Embodiment 1, except that: the ultraviolet light source 1 adopts a hollow cathode lamp, and the photodetector 10 on the reference side and the photodetector 11 on the measuring side both adopt photomultiplier tubes.
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