JPS6216370B2 - - Google Patents

Info

Publication number
JPS6216370B2
JPS6216370B2 JP14232679A JP14232679A JPS6216370B2 JP S6216370 B2 JPS6216370 B2 JP S6216370B2 JP 14232679 A JP14232679 A JP 14232679A JP 14232679 A JP14232679 A JP 14232679A JP S6216370 B2 JPS6216370 B2 JP S6216370B2
Authority
JP
Japan
Prior art keywords
gas
laser light
optical path
monitored area
measurement optical
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.)
Expired
Application number
JP14232679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5664645A (en
Inventor
Hirobumi Kashiwara
Hiroyuki Ishizaki
Koji Shinohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14232679A priority Critical patent/JPS5664645A/ja
Publication of JPS5664645A publication Critical patent/JPS5664645A/ja
Publication of JPS6216370B2 publication Critical patent/JPS6216370B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP14232679A 1979-10-31 1979-10-31 Gas monitoring system Granted JPS5664645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14232679A JPS5664645A (en) 1979-10-31 1979-10-31 Gas monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14232679A JPS5664645A (en) 1979-10-31 1979-10-31 Gas monitoring system

Publications (2)

Publication Number Publication Date
JPS5664645A JPS5664645A (en) 1981-06-01
JPS6216370B2 true JPS6216370B2 (enrdf_load_stackoverflow) 1987-04-13

Family

ID=15312734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14232679A Granted JPS5664645A (en) 1979-10-31 1979-10-31 Gas monitoring system

Country Status (1)

Country Link
JP (1) JPS5664645A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01139767U (enrdf_load_stackoverflow) * 1988-03-09 1989-09-25
JPH02112109U (enrdf_load_stackoverflow) * 1989-02-28 1990-09-07

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0623956Y2 (ja) * 1988-01-20 1994-06-22 石川島播磨重工業株式会社 ガス濃度分布計測装置
JPH06103256B2 (ja) * 1988-08-12 1994-12-14 三井造船株式会社 環境測定装置
JPH06103255B2 (ja) * 1988-08-12 1994-12-14 三井造船株式会社 環境測定方法及び環境測定装置
JPH0624765Y2 (ja) * 1988-12-15 1994-06-29 石川島播磨重工業株式会社 ガス濃度測定装置
JPH0626843Y2 (ja) * 1988-12-15 1994-07-20 石川島播磨重工業株式会社 ガス濃度測定装置
US6560545B2 (en) * 1999-12-29 2003-05-06 Enviromental Systems Products, Inc. System and method for remote analysis of small engine vehicle emissions
JP2014032068A (ja) * 2012-08-02 2014-02-20 Koptic Inc ガス濃度測定装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01139767U (enrdf_load_stackoverflow) * 1988-03-09 1989-09-25
JPH02112109U (enrdf_load_stackoverflow) * 1989-02-28 1990-09-07

Also Published As

Publication number Publication date
JPS5664645A (en) 1981-06-01

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