ATE390628T1 - Gas sensor - Google Patents

Gas sensor

Info

Publication number
ATE390628T1
ATE390628T1 AT02740030T AT02740030T ATE390628T1 AT E390628 T1 ATE390628 T1 AT E390628T1 AT 02740030 T AT02740030 T AT 02740030T AT 02740030 T AT02740030 T AT 02740030T AT E390628 T1 ATE390628 T1 AT E390628T1
Authority
AT
Austria
Prior art keywords
source
detector
optical
chamber
gas
Prior art date
Application number
AT02740030T
Other languages
English (en)
Inventor
David Michael Stuttard
Original Assignee
Dynament 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 Dynament Ltd filed Critical Dynament Ltd
Application granted granted Critical
Publication of ATE390628T1 publication Critical patent/ATE390628T1/de

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
    • G01N21/0303—Optical path conditioning in cuvettes, e.g. windows; adapted optical elements or systems; path modifying or adjustment
    • 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
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • 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
    • G01N2201/02—Mechanical
    • G01N2201/022—Casings
    • G01N2201/0221—Portable; cableless; compact; hand-held

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Glass Compositions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
AT02740030T 2001-02-08 2002-01-07 Gas sensor ATE390628T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0103089A GB2372099B (en) 2001-02-08 2001-02-08 Gas sensor

Publications (1)

Publication Number Publication Date
ATE390628T1 true ATE390628T1 (de) 2008-04-15

Family

ID=9908331

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02740030T ATE390628T1 (de) 2001-02-08 2002-01-07 Gas sensor

Country Status (7)

Country Link
US (1) US6753967B2 (de)
EP (1) EP1358472B1 (de)
JP (1) JP3906377B2 (de)
AT (1) ATE390628T1 (de)
DE (1) DE60225784T2 (de)
GB (1) GB2372099B (de)
WO (1) WO2002063283A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2396405B (en) * 2002-12-05 2006-03-08 E2V Tech Uk Ltd Gas sensors
US7173239B2 (en) * 2003-03-14 2007-02-06 Baker Hughes Incorporated Method and apparatus for downhole quantification of methane using near infrared spectroscopy
GB2401679B (en) * 2003-07-26 2005-06-22 Status Scient Controls Ltd Gas detector
AU2003251361A1 (en) * 2003-07-28 2005-02-25 Status Scientific Controls Limited Gas detector
GB0327931D0 (en) * 2003-12-02 2004-01-07 City Tech Gas sensor
US7244939B2 (en) 2003-12-09 2007-07-17 Dynament Limited Gas sensor
GB2403291B (en) * 2003-12-09 2005-07-20 Dynament Ltd Gas sensor
DE102004015439A1 (de) * 2004-03-30 2005-06-23 Robert Bosch Gmbh Miniaturisierter Gassensor mit integrierter Strahlungsquelle und Detektor
DE102004027512A1 (de) * 2004-06-04 2005-12-22 Robert Bosch Gmbh Spektroskopischer Gassensor, insbesondere zum Nachweis mindestens einer Gaskomponente in der Umluft, und Verfahren zur Herstellung eines derartigen spektroskopischen Gassensors
DE102006002870B3 (de) * 2006-01-19 2007-06-28 Tyco Electronics Raychem Gmbh Gassensor und Verfahren zu dessen Herstellung
GB0705356D0 (en) 2007-03-21 2007-04-25 Alphasense Ltd Optical absorption gas sensor
GB2449433B (en) * 2007-05-21 2009-12-09 Clairair Ltd Optical gas sensor
US8097856B2 (en) * 2009-08-21 2012-01-17 Airware, Inc. Super-miniaturized NDIR gas sensor
SE535267C2 (sv) 2009-10-26 2012-06-12 Senseair Ab En till en spektralanalys anpassad mätcell
US8158946B2 (en) * 2010-08-25 2012-04-17 Airware, Inc. Intrinsically safe improved sensitivity NDIR gas sensor in a can
US8222606B1 (en) * 2011-05-31 2012-07-17 Airware, Inc. Air sampler for recalibration of absorption biased designed NDIR gas sensors
US9297749B2 (en) * 2012-03-27 2016-03-29 Innovative Science Tools, Inc. Optical analyzer for identification of materials using transmission spectroscopy
US10151685B2 (en) * 2012-04-16 2018-12-11 Sensor Electronic Technology, Inc. Ultraviolet-based gas sensor
CN103134769A (zh) * 2013-01-31 2013-06-05 广东卓耐普智能技术股份有限公司 一种红外气体传感器
ITMI20130478A1 (it) 2013-03-29 2014-09-30 N E T Srl Rilevatore ottico di gas a geometria variabile
US9804084B2 (en) * 2013-11-11 2017-10-31 Amphenol Thermometrics, Inc. Optical gas sensor
CN103954577B (zh) * 2014-05-11 2016-03-30 西安安通测控技术有限公司 一种微型红外气体检测传感器
FR3022999B1 (fr) * 2014-06-27 2017-06-16 Schneider Electric Ind Sas Chambre optique pour dispositif de detection de gaz
EP2960642A1 (de) 2014-06-26 2015-12-30 Schneider Electric Industries SAS Optische kammer für gaserfassungsvorrichtung
US9909926B2 (en) 2016-05-31 2018-03-06 Ams Sensors Uk Limited Chemical sensor
DE102016114542A1 (de) 2016-08-05 2018-02-08 Osram Opto Semiconductors Gmbh Detektionsanordnung und Verfahren zur Herstellung von Detektionsanordnungen
US10161859B2 (en) 2016-10-27 2018-12-25 Honeywell International Inc. Planar reflective ring
KR102450625B1 (ko) * 2017-08-31 2022-10-07 서울바이오시스 주식회사 검출기
US12228510B2 (en) * 2019-05-28 2025-02-18 Si-Ware Systems Integrated device for fluid analysis
KR102267044B1 (ko) * 2019-12-11 2021-06-18 주식회사 태성환경연구소 비분산적외선 방식의 이산화탄소 가스센서
US11774424B2 (en) * 2021-03-23 2023-10-03 Honeywell International Inc. Integrated sensor
GB2615600A (en) * 2022-02-15 2023-08-16 Gas Sensing Solutions Ltd Gas sensor reference
US12411079B2 (en) 2022-07-26 2025-09-09 Asahi Kasei Microdevices Corporation Gas detection apparatus

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319071A (en) * 1964-11-27 1967-05-09 Gen Motors Corp Infrared gas analysis absorption chamber having a highly reflective specular internal surface
DE2626642B1 (de) * 1976-06-14 1977-12-15 Werner Prof Dr-Ing Adrian Vorrichtung zum messen der konzentration von gasen
US4445359A (en) * 1981-08-07 1984-05-01 Measurex Corporation System and process for calibrating a combustion gas analyzer
GB8309211D0 (en) * 1983-04-05 1983-05-11 Edinburgh Instr Infra red absorption gas detectors
JPS61155757U (de) * 1985-03-20 1986-09-27
GB2190195A (en) * 1986-05-09 1987-11-11 Cambridge Life Sciences Microtitre plate reader
US5220402A (en) * 1989-06-21 1993-06-15 Harvey C. Nienow Multiple-path gas-absorption cell
US5103096A (en) * 1989-09-06 1992-04-07 Gaztech Corporation Rapid fire detector
US5060508A (en) * 1990-04-02 1991-10-29 Gaztech Corporation Gas sample chamber
US5341214A (en) * 1989-09-06 1994-08-23 Gaztech International Corporation NDIR gas analysis using spectral ratioing technique
US5222389A (en) * 1990-04-02 1993-06-29 Gaztech International Corporation Multi-channel gas sample chamber
US5125742A (en) * 1990-07-25 1992-06-30 General Analysis Corporation Long path gas absorption cell
JP2722797B2 (ja) * 1990-08-24 1998-03-09 日立電線株式会社 絶縁油中ガス測定装置
GB2261502A (en) * 1991-10-04 1993-05-19 Churchill V L Ltd Smoke detection device
US5225786A (en) * 1991-10-25 1993-07-06 Rosemount Analytical, Inc. Combustible gas sensor
US5340986A (en) * 1991-11-18 1994-08-23 Gaztech International Corporation Diffusion-type gas sample chamber
SE508805C2 (sv) * 1991-12-04 1998-11-09 Opsis Ab Optisk analysutrustning för gasformiga ämnen som strömmar i en kanal
GB9320756D0 (en) * 1993-10-08 1993-12-01 Geotechnical Instr Uk Ltd Gas analyser
US5747808A (en) * 1994-02-14 1998-05-05 Engelhard Sensor Technologies NDIR gas sensor
DE19520488C1 (de) * 1995-06-03 1996-09-05 Draegerwerk Ag Meßvorrichtung zur Infrarotabsorption
JPH11513805A (ja) * 1995-10-20 1999-11-24 オービスフェア ラボラトリーズ ヌーシャテル ソシエテ アノニム マルチパスセル及び分析方法
SE510549C2 (sv) * 1995-11-13 1999-05-31 Hans Goeran Evald Martin Gassensor
GB9616809D0 (en) * 1996-08-10 1996-09-25 Eev Ltd Gas monitors
US5925881A (en) * 1997-04-24 1999-07-20 Dragerwerk Ag Infrared absorption measuring cell
FR2764380B1 (fr) * 1997-06-06 1999-08-27 Gaz De France Procede et dispositif de determination en temps reel du pouvoir calorifique d'un gaz naturel par voie optique
CA2323675A1 (en) * 1999-10-21 2001-04-21 Vincent Y. Chow Closed cell gas detector
US6225910B1 (en) * 1999-12-08 2001-05-01 Gentex Corporation Smoke detector
US6469303B1 (en) * 2000-05-17 2002-10-22 Rae Systems, Inc. Non-dispersive infrared gas sensor
DE10058469C1 (de) * 2000-11-24 2002-05-02 Draeger Safety Ag & Co Kgaa Optischer Gassensor

Also Published As

Publication number Publication date
EP1358472B1 (de) 2008-03-26
JP3906377B2 (ja) 2007-04-18
DE60225784T2 (de) 2009-04-09
GB0103089D0 (en) 2001-03-28
US20020105650A1 (en) 2002-08-08
WO2002063283A1 (en) 2002-08-15
GB2372099B (en) 2003-11-05
EP1358472A1 (de) 2003-11-05
JP2004522152A (ja) 2004-07-22
US6753967B2 (en) 2004-06-22
GB2372099A (en) 2002-08-14
DE60225784D1 (en) 2008-05-08

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Legal Events

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