GB0614009D0 - Semiconductor replacement gas sensor - Google Patents

Semiconductor replacement gas sensor

Info

Publication number
GB0614009D0
GB0614009D0 GBGB0614009.9A GB0614009A GB0614009D0 GB 0614009 D0 GB0614009 D0 GB 0614009D0 GB 0614009 A GB0614009 A GB 0614009A GB 0614009 D0 GB0614009 D0 GB 0614009D0
Authority
GB
United Kingdom
Prior art keywords
gas sensor
replacement gas
semiconductor
semiconductor replacement
sensor
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.)
Granted
Application number
GBGB0614009.9A
Other versions
GB2428789A (en
GB2428789B (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.)
AMGAS Ltd
Original Assignee
AMGAS 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 AMGAS Ltd filed Critical AMGAS Ltd
Publication of GB0614009D0 publication Critical patent/GB0614009D0/en
Publication of GB2428789A publication Critical patent/GB2428789A/en
Application granted granted Critical
Publication of GB2428789B publication Critical patent/GB2428789B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
GB0614009A 2005-07-25 2006-07-14 Replacing a semiconductor gas detection system with an optically-operable sensor in a gas monitoring system Expired - Fee Related GB2428789B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0515103.0A GB0515103D0 (en) 2005-07-25 2005-07-25 Semiconductor replacement gas sensor

Publications (3)

Publication Number Publication Date
GB0614009D0 true GB0614009D0 (en) 2006-08-23
GB2428789A GB2428789A (en) 2007-02-07
GB2428789B GB2428789B (en) 2009-05-27

Family

ID=34976411

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0515103.0A Ceased GB0515103D0 (en) 2005-07-25 2005-07-25 Semiconductor replacement gas sensor
GB0614009A Expired - Fee Related GB2428789B (en) 2005-07-25 2006-07-14 Replacing a semiconductor gas detection system with an optically-operable sensor in a gas monitoring system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0515103.0A Ceased GB0515103D0 (en) 2005-07-25 2005-07-25 Semiconductor replacement gas sensor

Country Status (1)

Country Link
GB (2) GB0515103D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114279994A (en) * 2021-11-19 2022-04-05 国网山东省电力公司电力科学研究院 Transformer substation gas online monitoring device and method suitable for gas relay

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396056B1 (en) * 1999-07-08 2002-05-28 Air Instruments And Measurements, Inc. Gas detectors and gas analyzers utilizing spectral absorption

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114279994A (en) * 2021-11-19 2022-04-05 国网山东省电力公司电力科学研究院 Transformer substation gas online monitoring device and method suitable for gas relay
CN114279994B (en) * 2021-11-19 2024-06-07 国网山东省电力公司电力科学研究院 Substation gas on-line monitoring device and method suitable for gas relay

Also Published As

Publication number Publication date
GB2428789A (en) 2007-02-07
GB2428789B (en) 2009-05-27
GB0515103D0 (en) 2005-08-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100714