JPH02118853U - - Google Patents

Info

Publication number
JPH02118853U
JPH02118853U JP2662289U JP2662289U JPH02118853U JP H02118853 U JPH02118853 U JP H02118853U JP 2662289 U JP2662289 U JP 2662289U JP 2662289 U JP2662289 U JP 2662289U JP H02118853 U JPH02118853 U JP H02118853U
Authority
JP
Japan
Prior art keywords
optical fiber
sensors
spectrometer
comparison
transparent plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2662289U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP2662289U priority Critical patent/JPH02118853U/ja
Publication of JPH02118853U publication Critical patent/JPH02118853U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示す構成説明図である
。 1は保持筒、2は入射光フアイバ、3は出射光
フアイバ、4は透明板、5は光源、7は分光器、
8,9は光センサ、10はモニタ回路、11は潤
滑油。

Claims (1)

    【実用新案登録請求の範囲】
  1. 先端部を軸心に対して傾斜した透明板にて液密
    状に閉じた保持筒1の基端部に、入射光フアイバ
    2と出射光フアイバ3を、保持筒1の軸心と平行
    に、かつそれぞれの端面を透明板4側へ向けて保
    持し、入射光フアイバ2の他端部に300〜48
    0mmの短波長を含む光を出す光源5を接続し、出
    射光フアイバ3の他端部に300〜480mmの短
    波長を分光する分光器7を接続し、分光器7によ
    る分光側の回路に分光側の光センサを、分光器7
    を通過する比較側の光路に比較側の光センサ9を
    それぞれ設け、この両センサ8,9を、この両セ
    ンサ8,9からの電気信号の比を算出するモニタ
    回路10に接続したことを特徴とする潤滑油の劣
    化検出装置。
JP2662289U 1989-03-10 1989-03-10 Pending JPH02118853U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2662289U JPH02118853U (ja) 1989-03-10 1989-03-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2662289U JPH02118853U (ja) 1989-03-10 1989-03-10

Publications (1)

Publication Number Publication Date
JPH02118853U true JPH02118853U (ja) 1990-09-25

Family

ID=31248417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2662289U Pending JPH02118853U (ja) 1989-03-10 1989-03-10

Country Status (1)

Country Link
JP (1) JPH02118853U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017187967A1 (ja) * 2016-04-27 2017-11-02 株式会社小松製作所 光学センサ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017187967A1 (ja) * 2016-04-27 2017-11-02 株式会社小松製作所 光学センサ
US10801958B2 (en) 2016-04-27 2020-10-13 Komatsu Ltd. Optical sensor

Similar Documents

Publication Publication Date Title
JPH02118853U (ja)
JPS6461622A (en) Temperature measuring instrument
JP2851322B2 (ja) 表面粗さ測定装置
JPS60111204U (ja) 光フアイバ変位計
JPH02144743U (ja)
JPH0230048U (ja)
JPH0621268Y2 (ja) 半導体レーザのテスト用装着具
JPS598141U (ja) 吸光光度計
JPS6320050U (ja)
JPH02109237U (ja)
JPS58191585U (ja) 光電感知器
JPS6170808U (ja)
JPS59163937U (ja) 光学的位置検知装置
JPH0365945U (ja)
ATE297545T1 (de) Dentale farbmessvorrichtung
JPS61137248U (ja)
JPS6262980U (ja)
JPS63135240U (ja)
JPH0438149U (ja)
JPS6247904U (ja)
JPS598588U (ja) 光学式乱れ卵検出装置
JPH0280808U (ja)
JPS645108U (ja)
JPH0283435U (ja)
JPH0248852U (ja)