GB9203013D0 - Infra-red absorption gas detector - Google Patents

Infra-red absorption gas detector

Info

Publication number
GB9203013D0
GB9203013D0 GB929203013A GB9203013A GB9203013D0 GB 9203013 D0 GB9203013 D0 GB 9203013D0 GB 929203013 A GB929203013 A GB 929203013A GB 9203013 A GB9203013 A GB 9203013A GB 9203013 D0 GB9203013 D0 GB 9203013D0
Authority
GB
United Kingdom
Prior art keywords
infra
gas detector
absorption gas
red absorption
red
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.)
Withdrawn
Application number
GB929203013A
Other versions
GB2264170A (en
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.)
Oxford University Innovation Ltd
Original Assignee
Oxford University Innovation 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 Oxford University Innovation Ltd filed Critical Oxford University Innovation Ltd
Priority to GB9203013A priority Critical patent/GB2264170A/en
Publication of GB9203013D0 publication Critical patent/GB9203013D0/en
Publication of GB2264170A publication Critical patent/GB2264170A/en
Withdrawn legal-status Critical Current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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • G01N2021/0314—Double pass, autocollimated path
    • 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

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)
GB9203013A 1992-02-13 1992-02-13 Infra-red absorption gas detector Withdrawn GB2264170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9203013A GB2264170A (en) 1992-02-13 1992-02-13 Infra-red absorption gas detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9203013A GB2264170A (en) 1992-02-13 1992-02-13 Infra-red absorption gas detector

Publications (2)

Publication Number Publication Date
GB9203013D0 true GB9203013D0 (en) 1992-03-25
GB2264170A GB2264170A (en) 1993-08-18

Family

ID=10710298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9203013A Withdrawn GB2264170A (en) 1992-02-13 1992-02-13 Infra-red absorption gas detector

Country Status (1)

Country Link
GB (1) GB2264170A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4438244C1 (en) * 1994-10-26 1996-03-07 Frobenius Wolf Dietrich Prof D Gas component concn. in mixture measuring appts. for esp. carbon dioxide in atmos.
DE29504088U1 (en) * 1995-03-10 1996-07-11 Palocz-Andresen, Michael, Dr.-Ing.habil., 20459 Hamburg On-board diagnostic / OBD / device on a micro scale for the continuous measurement of pollutant discharge from motor vehicles
DE19520488C1 (en) * 1995-06-03 1996-09-05 Draegerwerk Ag IR absorption measuring device for detecting gas concentration
GB9513934D0 (en) * 1995-07-07 1995-09-06 Amg Systems Limited Gas detector
DE19611290C2 (en) * 1996-03-22 1998-04-16 Draegerwerk Ag Gas sensor
DE19821136C2 (en) * 1997-08-25 2000-06-08 Wwu Wissenschaftliche Werkstat Device for analyzing the exhaust gas from motor vehicles
DE19831457C2 (en) * 1997-09-11 2000-08-31 Wwu Wissenschaftliche Werkstat Retrofit method for recording the exhaust gas composition in the motor vehicle for self-installation
US7005645B2 (en) * 2001-11-30 2006-02-28 Air Liquide America L.P. Apparatus and methods for launching and receiving a broad wavelength range source
CN113218906A (en) * 2021-04-19 2021-08-06 国网江苏省电力有限公司检修分公司 Sulfur hexafluoride decomposition component monitoring device and method based on laser transmission signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1402440A (en) * 1972-12-13 1975-08-06 British Leyland Motor Corp Infra-red gas analyser
US3910701A (en) * 1973-07-30 1975-10-07 George R Henderson Method and apparatus for measuring light reflectance absorption and or transmission
EP0076301A1 (en) * 1981-04-13 1983-04-13 Ab Bonnierföretagen Distinct wavelength light reflection measuring apparatus
FI91021C (en) * 1988-11-04 1994-04-25 Instrumentarium Oy Apparatus for the identification of gases and measurement of the content and method for the identification of gases
DE3924060A1 (en) * 1989-07-21 1991-01-24 Bodenseewerk Perkin Elmer Co ATOMIC ABSORPTION SPECTRAL PHOTOMETER FOR MULTI-ELEMENT ANALYSIS

Also Published As

Publication number Publication date
GB2264170A (en) 1993-08-18

Similar Documents

Publication Publication Date Title
US5021663B1 (en) Infrared detector
EP0354369A3 (en) Infrared detector
GB9011174D0 (en) Gas detector
GB9212942D0 (en) Infra red gas detector
AU120087S (en) Detector
GB2243450B (en) Gas detector
GB2278016B (en) Pyroelectric infrared detector
GB9203013D0 (en) Infra-red absorption gas detector
GB2268591B (en) Thermal analog fire detector
GB9314932D0 (en) Portable smoke detector
GB9416711D0 (en) Infra-red gas detector
EP0509247A3 (en) Infrared detector
EP0539150A3 (en) Infrared detector
AU120088S (en) Detector
GB9202714D0 (en) Detector
GB9301147D0 (en) Infrared detector
AU7612291A (en) Gas detection by infrared absorption
GB2267571B (en) Gas detector
GB2244096B (en) Gas detector
AU4618693A (en) Flameless atomic absorption spectrophotometer
AU120277S (en) Detector
EP0599541A3 (en) Infrared gas analyzer.
GB9413105D0 (en) Gas or vapour detector
GB9204078D0 (en) Infrared detector manufacture
AU120104S (en) Detector

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)