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GB2274163B - Gas analyser - Google Patents

Gas analyser

Info

Publication number
GB2274163B
GB2274163B GB9300483A GB9300483A GB2274163B GB 2274163 B GB2274163 B GB 2274163B GB 9300483 A GB9300483 A GB 9300483A GB 9300483 A GB9300483 A GB 9300483A GB 2274163 B GB2274163 B GB 2274163B
Authority
GB
United Kingdom
Prior art keywords
gas analyser
analyser
gas
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 - Fee Related
Application number
GB9300483A
Other versions
GB9300483D0 (en
GB2274163A (en
Inventor
Robert C Newbury
Reuben J Noot
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.)
POLLUTION MONITOR SYST Ltd
Original Assignee
POLLUTION MONITOR SYST 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 POLLUTION MONITOR SYST Ltd filed Critical POLLUTION MONITOR SYST Ltd
Priority to GB9300483A priority Critical patent/GB2274163B/en
Publication of GB9300483D0 publication Critical patent/GB9300483D0/en
Priority to PCT/GB1994/000040 priority patent/WO1994016311A1/en
Publication of GB2274163A publication Critical patent/GB2274163A/en
Application granted granted Critical
Publication of GB2274163B publication Critical patent/GB2274163B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/35—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
    • G01N21/35—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
    • G01N2021/3513—Open path with an instrumental source

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)
GB9300483A 1993-01-12 1993-01-12 Gas analyser Expired - Fee Related GB2274163B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9300483A GB2274163B (en) 1993-01-12 1993-01-12 Gas analyser
PCT/GB1994/000040 WO1994016311A1 (en) 1993-01-12 1994-01-10 Gas analyser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9300483A GB2274163B (en) 1993-01-12 1993-01-12 Gas analyser

Publications (3)

Publication Number Publication Date
GB9300483D0 GB9300483D0 (en) 1993-03-03
GB2274163A GB2274163A (en) 1994-07-13
GB2274163B true GB2274163B (en) 1996-11-20

Family

ID=10728583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9300483A Expired - Fee Related GB2274163B (en) 1993-01-12 1993-01-12 Gas analyser

Country Status (2)

Country Link
GB (1) GB2274163B (en)
WO (1) WO1994016311A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601923C1 (en) * 1996-01-12 1997-07-24 Inst Chemo Biosensorik Method and device for detecting organic substances
DE19744164A1 (en) * 1997-10-07 1999-04-08 Zae Bayern Use of infra red camera to observe gas distributions, e.g. to locate natural gas leakage from underground pipe
FR2797954B1 (en) * 1999-08-26 2007-09-07 Draeger Sicherheitstech Gmbh GAS DETECTOR WITH OPTICAL OPTICAL MEASUREMENT RANGE
DE19940280C2 (en) 1999-08-26 2001-11-15 Draeger Safety Ag & Co Kgaa Gas sensor with an open optical measuring section
US6876450B2 (en) * 2001-01-30 2005-04-05 Anritsu Corporation Laser absorption spectral diffraction type gas detector and method for gas detection using laser absorption spectral diffraction
AT410033B (en) * 2001-06-06 2003-01-27 Eurolab Instr Gmbh METHOD AND MEASURING DEVICE FOR DETERMINING AT LEAST ONE LUMINESCENCE, FLOURENCE OR ABSORPTION PARAMETER OF A SAMPLE
US20060044562A1 (en) * 2004-08-25 2006-03-02 Norsk Elektro Optikk As Gas monitor
CN101980003B (en) * 2010-10-14 2012-11-07 天津市先石光学技术有限公司 Open long-path broad-spectrum gas measurement system
EP2503323A3 (en) 2011-03-23 2012-12-19 Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum - GFZ Method and device for measuring the spatial distribution of atmospheric gases at ground level
CN105115900A (en) * 2015-09-08 2015-12-02 安徽理工大学 Atmospheric trace gas detecting device
EP3816609B1 (en) * 2019-11-04 2022-01-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and device for remote detection of a target gas
JP2023137506A (en) * 2022-03-18 2023-09-29 株式会社東芝 gas detection device
DE102023102768A1 (en) * 2023-02-06 2024-08-08 Dräger Safety AG & Co. KGaA Optical measuring device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102942A (en) * 1981-07-03 1983-02-09 Ferranti Ltd Spectrometric gas analysis
US4490845A (en) * 1982-02-02 1984-12-25 Westinghouse Electric Corp. Automated acousto-optic infrared analyzer system
EP0203767A2 (en) * 1985-05-20 1986-12-03 Rosemount Analytical Inc. Improved automated acousto-optic infra-red analyzer system for monotoring stack emissions
EP0210676A2 (en) * 1985-07-26 1987-02-04 Shell Internationale Researchmaatschappij B.V. Optical retro-reflective system for detecting releases of hydrocarbons, atmospheric mist or smoke
EP0235404A2 (en) * 1985-12-05 1987-09-09 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Method and device for determining the spatial distribution of a gas
GB2219656A (en) * 1988-06-10 1989-12-13 Plessey Co Plc Sensor for sensing the light absorption of a gas
US4924095A (en) * 1987-06-02 1990-05-08 West Lodge Research Remote gas analyzer for motor vehicle exhaust emissions surveillance
GB2245058A (en) * 1990-05-18 1991-12-18 Sieger Ltd A gas detector
EP0467581A2 (en) * 1990-07-18 1992-01-22 Secretary of State for Trade and Industry in Her Britannic Majesty's Gov. of the U.K. of Great Britain and Northern Ireland Optical long-path gas monitoring apparatus
WO1992009877A2 (en) * 1990-07-16 1992-06-11 Mda Scientific, Inc. Ftir remote sensor apparatus and method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102942A (en) * 1981-07-03 1983-02-09 Ferranti Ltd Spectrometric gas analysis
US4490845A (en) * 1982-02-02 1984-12-25 Westinghouse Electric Corp. Automated acousto-optic infrared analyzer system
EP0203767A2 (en) * 1985-05-20 1986-12-03 Rosemount Analytical Inc. Improved automated acousto-optic infra-red analyzer system for monotoring stack emissions
EP0210676A2 (en) * 1985-07-26 1987-02-04 Shell Internationale Researchmaatschappij B.V. Optical retro-reflective system for detecting releases of hydrocarbons, atmospheric mist or smoke
EP0235404A2 (en) * 1985-12-05 1987-09-09 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Method and device for determining the spatial distribution of a gas
US4924095A (en) * 1987-06-02 1990-05-08 West Lodge Research Remote gas analyzer for motor vehicle exhaust emissions surveillance
GB2219656A (en) * 1988-06-10 1989-12-13 Plessey Co Plc Sensor for sensing the light absorption of a gas
GB2245058A (en) * 1990-05-18 1991-12-18 Sieger Ltd A gas detector
WO1992009877A2 (en) * 1990-07-16 1992-06-11 Mda Scientific, Inc. Ftir remote sensor apparatus and method
EP0467581A2 (en) * 1990-07-18 1992-01-22 Secretary of State for Trade and Industry in Her Britannic Majesty's Gov. of the U.K. of Great Britain and Northern Ireland Optical long-path gas monitoring apparatus

Also Published As

Publication number Publication date
GB9300483D0 (en) 1993-03-03
GB2274163A (en) 1994-07-13
WO1994016311A1 (en) 1994-07-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080112