GB2165941B - Gas analyser - Google Patents

Gas analyser

Info

Publication number
GB2165941B
GB2165941B GB08426449A GB8426449A GB2165941B GB 2165941 B GB2165941 B GB 2165941B GB 08426449 A GB08426449 A GB 08426449A GB 8426449 A GB8426449 A GB 8426449A GB 2165941 B GB2165941 B GB 2165941B
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
Application number
GB08426449A
Other versions
GB8426449D0 (en
GB2165941A (en
Inventor
Peter John Webb
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.)
Land Combustion Ltd
Original Assignee
Land Combustion 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 Land Combustion Ltd filed Critical Land Combustion Ltd
Priority to GB08426449A priority Critical patent/GB2165941B/en
Publication of GB8426449D0 publication Critical patent/GB8426449D0/en
Publication of GB2165941A publication Critical patent/GB2165941A/en
Application granted granted Critical
Publication of GB2165941B publication Critical patent/GB2165941B/en
Expired 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
    • G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques

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)
GB08426449A 1984-10-19 1984-10-19 Gas analyser Expired GB2165941B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08426449A GB2165941B (en) 1984-10-19 1984-10-19 Gas analyser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08426449A GB2165941B (en) 1984-10-19 1984-10-19 Gas analyser

Publications (3)

Publication Number Publication Date
GB8426449D0 GB8426449D0 (en) 1984-11-28
GB2165941A GB2165941A (en) 1986-04-23
GB2165941B true GB2165941B (en) 1989-01-11

Family

ID=10568424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08426449A Expired GB2165941B (en) 1984-10-19 1984-10-19 Gas analyser

Country Status (1)

Country Link
GB (1) GB2165941B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264169B (en) * 1992-02-07 1995-08-02 Alan John Hayes Fluid monitoring
US5585635A (en) * 1994-09-26 1996-12-17 Marquette Electronics, Inc. Infrared gas analyzer and method
GB2314411A (en) * 1996-06-21 1997-12-24 Graviner Ltd Kidde Filter wheel for use in a gas filter correlation system

Also Published As

Publication number Publication date
GB8426449D0 (en) 1984-11-28
GB2165941A (en) 1986-04-23

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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: 20031019