ATE390628T1 - Gas sensor - Google Patents
Gas sensorInfo
- 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
Links
- 230000003287 optical effect Effects 0.000 abstract 3
- 230000005855 radiation Effects 0.000 abstract 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000037361 pathway Effects 0.000 abstract 1
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)
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 (31)
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 |
WO2005015176A1 (en) * | 2003-07-28 | 2005-02-17 | 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 |
EP2960642A1 (de) | 2014-06-26 | 2015-12-30 | Schneider Electric Industries SAS | Optische kammer für gaserfassungsvorrichtung |
FR3022999B1 (fr) * | 2014-06-27 | 2017-06-16 | Schneider Electric Ind Sas | Chambre optique pour dispositif de detection de gaz |
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 |
US20200378892A1 (en) * | 2019-05-28 | 2020-12-03 | Si-Ware Systems | Integrated device for fluid analysis |
KR102267044B1 (ko) * | 2019-12-11 | 2021-06-18 | 주식회사 태성환경연구소 | 비분산적외선 방식의 이산화탄소 가스센서 |
GB2615600A (en) * | 2022-02-15 | 2023-08-16 | Gas Sensing Solutions Ltd | Gas sensor reference |
Family Cites Families (29)
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 |
US5341214A (en) * | 1989-09-06 | 1994-08-23 | Gaztech International Corporation | NDIR gas analysis using spectral ratioing technique |
US5060508A (en) * | 1990-04-02 | 1991-10-29 | Gaztech Corporation | Gas sample chamber |
US5103096A (en) * | 1989-09-06 | 1992-04-07 | Gaztech Corporation | Rapid fire detector |
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 |
GB2358245A (en) * | 1999-10-21 | 2001-07-18 | Pittway Corp | Photo-acoustic gas sensor |
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 |
-
2001
- 2001-02-08 GB GB0103089A patent/GB2372099B/en not_active Expired - Lifetime
- 2001-02-14 US US09/783,711 patent/US6753967B2/en not_active Expired - Lifetime
-
2002
- 2002-01-07 JP JP2002562979A patent/JP3906377B2/ja not_active Expired - Lifetime
- 2002-01-07 WO PCT/GB2002/000006 patent/WO2002063283A1/en active IP Right Grant
- 2002-01-07 DE DE60225784T patent/DE60225784T2/de not_active Expired - Lifetime
- 2002-01-07 AT AT02740030T patent/ATE390628T1/de not_active IP Right Cessation
- 2002-01-07 EP EP02740030A patent/EP1358472B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2372099A (en) | 2002-08-14 |
EP1358472A1 (de) | 2003-11-05 |
DE60225784T2 (de) | 2009-04-09 |
JP3906377B2 (ja) | 2007-04-18 |
GB2372099B (en) | 2003-11-05 |
GB0103089D0 (en) | 2001-03-28 |
US20020105650A1 (en) | 2002-08-08 |
US6753967B2 (en) | 2004-06-22 |
DE60225784D1 (en) | 2008-05-08 |
WO2002063283A1 (en) | 2002-08-15 |
JP2004522152A (ja) | 2004-07-22 |
EP1358472B1 (de) | 2008-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |