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热词
    • 56. 发明授权
    • Infrared radiation gas analyzer
    • 红外辐射气体分析仪
    • US4499378A
    • 1985-02-12
    • US473344
    • 1983-03-08
    • Kimio MiyatakeKozo IshidaHiroyuki EbiTakeshi Shimada
    • Kimio MiyatakeKozo IshidaHiroyuki EbiTakeshi Shimada
    • G01N21/31G01N21/35G01N21/71G01J1/00
    • G01N21/71G01N21/3504G01N21/314G01N21/35
    • An infrared radiation gas analyzer for determining the concentration of an ingredient in a sample gas has a sample gas container for containing a sample gas at a temperature at which the ingredient the concentration of which is to be determined will emit infrared radiation in a range characteristic of the ingredient and a window for allowing the infrared radiation to escape from the container. An optical chopper is positioned outside the container for interrupting the radiation escaping from the container. A filter is positioned in the path of the radiation escaping from the container and transmits only radiation in the range. An infrared radiation detector is positioned for receiving the radiation passed by the filter and emitting a signal representative of the radiation received by the detector and which is representative of the concentration of the ingredient the concentration of which is to be determined in the sample gas.
    • 用于确定样品气体中成分浓度的红外辐射气体分析仪具有样品气体容器,该样品气体容器用于在其浓度将被确定的成分将发射红外辐射的温度下容纳样品气体, 该成分和允许红外辐射从容器逸出的窗口。 光学斩波器位于容器外部,用于中断从容器逸出的辐射。 过滤器位于从容器逸出的辐射的路径中,并且仅透射该范围内的辐射。 定位红外辐射检测器用于接收由过滤器通过的辐射,并发出代表由检测器接收的辐射的信号,其代表在样品气体中要确定其浓度的成分的浓度。