GB0313471D0 - Gas sensors - Google Patents

Gas sensors

Info

Publication number
GB0313471D0
GB0313471D0 GB0313471A GB0313471A GB0313471D0 GB 0313471 D0 GB0313471 D0 GB 0313471D0 GB 0313471 A GB0313471 A GB 0313471A GB 0313471 A GB0313471 A GB 0313471A GB 0313471 D0 GB0313471 D0 GB 0313471D0
Authority
GB
United Kingdom
Prior art keywords
gas sensors
sensors
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.)
Withdrawn
Application number
GB0313471A
Other versions
GB2391310A (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.)
EDINBURGH INSTR
Original Assignee
EDINBURGH INSTR
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 EDINBURGH INSTR filed Critical EDINBURGH INSTR
Publication of GB0313471D0 publication Critical patent/GB0313471D0/en
Publication of GB2391310A publication Critical patent/GB2391310A/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Withdrawn legal-status Critical Current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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • 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

Landscapes

  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB0313471A 2002-06-11 2003-06-11 Gas sensors Withdrawn GB2391310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0213326A GB0213326D0 (en) 2002-06-11 2002-06-11 Gas sensors

Publications (2)

Publication Number Publication Date
GB0313471D0 true GB0313471D0 (en) 2003-07-16
GB2391310A GB2391310A (en) 2004-02-04

Family

ID=9938310

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0213326A Ceased GB0213326D0 (en) 2002-06-11 2002-06-11 Gas sensors
GB0313471A Withdrawn GB2391310A (en) 2002-06-11 2003-06-11 Gas sensors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0213326A Ceased GB0213326D0 (en) 2002-06-11 2002-06-11 Gas sensors

Country Status (1)

Country Link
GB (2) GB0213326D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110231288A (en) * 2018-03-06 2019-09-13 徐州旭海光电科技有限公司 A kind of compact and stable light path gas chamber

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028023B4 (en) * 2004-06-09 2006-07-06 Perkinelmer Optoelectronics Gmbh & Co.Kg Sensor unit for detecting a fluid, in particular for detecting natural gas, hydrocarbons, carbon dioxide or the like. In ambient air
FI117808B (en) 2004-09-14 2007-02-28 Vaisala Oyj Apparatus and method for measuring gas content
RU2299422C1 (en) * 2005-10-11 2007-05-20 Общество с ограниченной ответственностью "Интеллект-Клуб РадиоФосфор-32" Optical-electronic spectral gas analyzer
GB0602320D0 (en) * 2006-02-06 2006-03-15 Gas Sensing Solutions Ltd Domed gas sensor
GB0705356D0 (en) 2007-03-21 2007-04-25 Alphasense Ltd Optical absorption gas sensor
US8299433B2 (en) * 2010-03-25 2012-10-30 Goodrich Corporation Multi-channel optical cell
US8785857B2 (en) 2011-09-23 2014-07-22 Msa Technology, Llc Infrared sensor with multiple sources for gas measurement
CN102621106A (en) * 2012-03-27 2012-08-01 北京智威宇讯科技有限公司 Multiple optical path reflection cavity
DE102014016515B4 (en) * 2014-11-10 2021-04-29 Dräger Safety AG & Co. KGaA Optical gas sensor
EP3444591B1 (en) 2016-04-15 2023-06-28 PHC Holdings Corporation Gas sensor and constant-temperature apparatus
US10724945B2 (en) 2016-04-19 2020-07-28 Cascade Technologies Holdings Limited Laser detection system and method
US10180393B2 (en) 2016-04-20 2019-01-15 Cascade Technologies Holdings Limited Sample cell
GB201700905D0 (en) 2017-01-19 2017-03-08 Cascade Tech Holdings Ltd Close-Coupled Analyser
CN109212733B (en) * 2017-07-04 2021-02-05 徐州旭海光电科技有限公司 Optical path folding device
SE542640C2 (en) 2018-02-19 2020-06-23 Jondetech Sensors Ab Publ Gas sensor with thermopile
GB2572138A (en) * 2018-03-15 2019-09-25 Cambridge Respiratory Innovations Ltd Improved capnometer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4434814A1 (en) * 1994-09-29 1996-04-04 Microparts Gmbh Infrared spectrometric sensor for gases
DE19528919A1 (en) * 1995-08-07 1997-02-20 Microparts Gmbh Microstructured infrared absorption photometer
JP3228080B2 (en) * 1995-08-07 2001-11-12 富士電機株式会社 Multiple reflection sample cell
US5925881A (en) * 1997-04-24 1999-07-20 Dragerwerk Ag Infrared absorption measuring cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110231288A (en) * 2018-03-06 2019-09-13 徐州旭海光电科技有限公司 A kind of compact and stable light path gas chamber

Also Published As

Publication number Publication date
GB2391310A (en) 2004-02-04
GB0213326D0 (en) 2002-07-24

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Legal Events

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