NO862428D0 - PROCEDURE AND GAS DETECTION DEVICE. - Google Patents

PROCEDURE AND GAS DETECTION DEVICE.

Info

Publication number
NO862428D0
NO862428D0 NO862428A NO862428A NO862428D0 NO 862428 D0 NO862428 D0 NO 862428D0 NO 862428 A NO862428 A NO 862428A NO 862428 A NO862428 A NO 862428A NO 862428 D0 NO862428 D0 NO 862428D0
Authority
NO
Norway
Prior art keywords
procedure
detection device
gas detection
gas
detection
Prior art date
Application number
NO862428A
Other languages
Norwegian (no)
Other versions
NO862428L (en
Inventor
Brian David Powell
David John Spring
David Nicholas Ball
Original Assignee
Graviner 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 Graviner Ltd filed Critical Graviner Ltd
Publication of NO862428D0 publication Critical patent/NO862428D0/en
Publication of NO862428L publication Critical patent/NO862428L/en

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
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • 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
    • G01N2021/3531—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 without instrumental source, i.e. radiometric
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Examining Or Testing Airtightness (AREA)
NO862428A 1985-06-19 1986-06-18 PROCEDURE AND GAS DETECTION DEVICE. NO862428L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858515519A GB8515519D0 (en) 1985-06-19 1985-06-19 Gas detection

Publications (2)

Publication Number Publication Date
NO862428D0 true NO862428D0 (en) 1986-06-18
NO862428L NO862428L (en) 1986-12-22

Family

ID=10580988

Family Applications (1)

Application Number Title Priority Date Filing Date
NO862428A NO862428L (en) 1985-06-19 1986-06-18 PROCEDURE AND GAS DETECTION DEVICE.

Country Status (2)

Country Link
GB (2) GB8515519D0 (en)
NO (1) NO862428L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE149682T1 (en) * 1991-12-04 1997-03-15 Bertin & Cie METHOD AND DEVICE FOR REMOTE OPTICAL DETECTION OF A GAS LOCATED IN AN OBSERVED SPACE AREA
WO2001094916A1 (en) * 2000-06-02 2001-12-13 Lattice Intellectual Property Ltd. Non-dispersive ir measurement of gases using an optical filter
DE102004028433B4 (en) * 2004-06-14 2006-08-31 Danfoss A/S IR sensor, especially CO2 sensor
GB0605486D0 (en) * 2006-03-20 2006-04-26 Isis Innovation Liquid sensor
US11249016B2 (en) 2015-03-02 2022-02-15 Flir Systems Ab Wavelength band based passive infrared gas imaging
EP3265782B1 (en) * 2015-03-02 2024-07-03 Flir Systems AB Wavelength band based passive infrared gas imaging

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1050561A (en) * 1900-01-01
US3594083A (en) * 1969-07-07 1971-07-20 Barringer Research Ltd Spectrometer
ZA726258B (en) * 1972-09-13 1973-11-28 Anglo Amer Corp South Africa Fire detector
US3976884A (en) * 1974-12-31 1976-08-24 Science Applications, Inc. Method for remote monitoring of gaseous products
JPS586995B2 (en) * 1977-02-15 1983-02-07 国際技術開発株式会社 Flame detection method
US4320975A (en) * 1979-12-17 1982-03-23 Gca Corporation Passive smoke plume opacity monitor
GB2067749B (en) * 1980-01-17 1984-12-12 Graviner Ltd Fire and explosion detection
GB2103789B (en) * 1981-08-20 1985-08-07 Graviner Ltd Fire and explosion detection and suppression
NZ198264A (en) * 1981-09-03 1985-03-20 Nz Government Hand-held multispectral radiometer for remote sensing
US4520265A (en) * 1983-09-06 1985-05-28 Southern California Gas Co. Method and apparatus for accurate remote monitoring of gases

Also Published As

Publication number Publication date
NO862428L (en) 1986-12-22
GB8614589D0 (en) 1986-07-23
GB2176889A (en) 1987-01-07
GB8515519D0 (en) 1985-07-24

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