NO842952L - Beskrivelse av prinsipp for multikanal ir-spektroskopi realisert i en fiberoptisk gassdetektor for maaling av metan. - Google Patents

Beskrivelse av prinsipp for multikanal ir-spektroskopi realisert i en fiberoptisk gassdetektor for maaling av metan.

Info

Publication number
NO842952L
NO842952L NO842952A NO842952A NO842952L NO 842952 L NO842952 L NO 842952L NO 842952 A NO842952 A NO 842952A NO 842952 A NO842952 A NO 842952A NO 842952 L NO842952 L NO 842952L
Authority
NO
Norway
Prior art keywords
mething
multicanal
fiberoptic
spectroscopy
methane
Prior art date
Application number
NO842952A
Other languages
English (en)
Other versions
NO156306B (no
NO156306C (no
Inventor
Dag Thingboe
Original Assignee
Elektrisk Bureau As
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 Elektrisk Bureau As filed Critical Elektrisk Bureau As
Priority to NO842952A priority Critical patent/NO156306C/no
Priority to GB08517996A priority patent/GB2163251B/en
Publication of NO842952L publication Critical patent/NO842952L/no
Publication of NO156306B publication Critical patent/NO156306B/no
Publication of NO156306C publication Critical patent/NO156306C/no

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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J2003/1226—Interference filters
    • G01J2003/1243—Pivoting IF or other position variation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0621—Supply
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/126—Microprocessor processing

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Glass Compositions (AREA)
NO842952A 1984-07-19 1984-07-19 Infrar fiberoptisk gassdetektor. NO156306C (no)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO842952A NO156306C (no) 1984-07-19 1984-07-19 Infrar fiberoptisk gassdetektor.
GB08517996A GB2163251B (en) 1984-07-19 1985-07-17 Infrared gas detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO842952A NO156306C (no) 1984-07-19 1984-07-19 Infrar fiberoptisk gassdetektor.

Publications (3)

Publication Number Publication Date
NO842952L true NO842952L (no) 1986-01-20
NO156306B NO156306B (no) 1987-05-18
NO156306C NO156306C (no) 1987-09-02

Family

ID=19887770

Family Applications (1)

Application Number Title Priority Date Filing Date
NO842952A NO156306C (no) 1984-07-19 1984-07-19 Infrar fiberoptisk gassdetektor.

Country Status (2)

Country Link
GB (1) GB2163251B (no)
NO (1) NO156306C (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3804134A1 (de) * 1988-02-11 1989-08-24 Felten & Guilleaume Energie Verfahren und einrichtung zum messen der konzentration eines fremdgases in einem gasgemisch unter nutzung eines moires
DE3813152A1 (de) * 1988-04-20 1989-11-02 Felten & Guilleaume Energie Einrichtung mit einem optischen gassensor zur dichtemessung und -ueberwachung von gasen
FI91021C (fi) * 1988-11-04 1994-04-25 Instrumentarium Oy Laite kaasujen tunnistamiseksi ja pitoisuuden mittaamiseksi sekä menetelmä kaasujen tunnistamiseksi
IT1240329B (it) * 1990-03-20 1993-12-07 Tecsa Apparecchiatura per la rilevazione di gas a laser infrarosso e fibre ottiche
EP0510856A3 (en) * 1991-04-26 1993-12-22 Siemens Plessey Controls Ltd Improvements in or relating to optical gas detectors
GB9108978D0 (en) * 1991-04-26 1991-06-26 Siemens Plessey Controls Ltd Improvements in or relating to optical gas detectors
GB9319001D0 (en) * 1993-09-14 1993-10-27 Europ Gas Turbines Ltd Steam wetness probe
GB2290139A (en) * 1994-06-11 1995-12-13 Atomic Energy Authority Uk Gas concentration measurement
FR2726084A1 (fr) * 1994-10-20 1996-04-26 Eprest Electronique Profession Detecteur de gaz a absorption de la lumiere utilisant une source large bande spectrale
DE19650302A1 (de) * 1996-12-04 1998-06-10 Ruhrgas Ag Verfahren sowie Vorrichtung zur Bestimmung der Gasbeschaffenheit einer Gasmischung
DE69811098T2 (de) 1997-10-10 2003-10-09 Zellweger Analytics Ltd., Poole Optische gasdetektion
DE19900129C2 (de) * 1999-01-05 2001-09-13 Flow Comp Systemtechnik Gmbh Gasqualitätsbestimmung
EP1103804B1 (de) * 1999-11-24 2005-08-31 Siemens Aktiengesellschaft Verfahren zur Detektion von Erdgas
CN101251482B (zh) * 2008-03-28 2010-10-06 山东省科学院激光研究所 矿用瓦斯远程光纤激光检测仪
US10168276B1 (en) 2017-11-08 2019-01-01 Itron, Inc. Identifying targeted gaseous chemical compound
CN114062294A (zh) * 2021-07-28 2022-02-18 山东光安智能科技有限公司 一种基于光谱吸收型光纤式甲烷传感器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281645A (en) * 1977-06-28 1981-08-04 Duke University, Inc. Method and apparatus for monitoring metabolism in body organs
GB2008745A (en) * 1977-11-03 1979-06-06 Anacon Instr Ltd Spectrophotometer
JPS6039536A (ja) * 1983-08-12 1985-03-01 Hochiki Corp ガスセンサ

Also Published As

Publication number Publication date
NO156306B (no) 1987-05-18
GB8517996D0 (en) 1985-08-21
GB2163251A (en) 1986-02-19
GB2163251B (en) 1988-03-02
NO156306C (no) 1987-09-02

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