PARTICLE DETECTION DEVICE
PROBLEM TO BE SOLVED: To provide a particle detection device which achieves easy sensitivity adjustment of a photomultiplier tube.SOLUTION: A particle detection device includes: an inspection light source 10 for emitting inspection light; a photomultiplier tube 20 for detecting reaction light genera...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a particle detection device which achieves easy sensitivity adjustment of a photomultiplier tube.SOLUTION: A particle detection device includes: an inspection light source 10 for emitting inspection light; a photomultiplier tube 20 for detecting reaction light generated at a particle contained in a liquid irradiated with the inspection light; a correcting light source 30 for emitting calibration light which corrects an amplification voltage of the photomultiplier tube 20; and a correction section 301 for correcting the amplification voltage of the photomultiplier tube 20 on the basis of an output value of the photomultiplier tube 20 which has received the calibration light.SELECTED DRAWING: Figure 1
【課題】光電子増倍管の感度調整が容易な粒子検出装置を提供する。【解決手段】検査光を発する検査光源１０と、検査光を照射された流体に含まれていた粒子で生じた反応光を検出する光電子増倍管２０と、光電子増倍管２０の増幅電圧を補正するための較正光を発する補正用光源３０と、較正光を受光した光電子増倍管２０の出力値に基づき、光電子増倍管２０の増幅電圧を補正する補正部３０１と、を備える粒子検出装置。【選択図】図１ |
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