AU2003260767A1 - Gas sensors - Google Patents
Gas sensorsInfo
- Publication number
- AU2003260767A1 AU2003260767A1 AU2003260767A AU2003260767A AU2003260767A1 AU 2003260767 A1 AU2003260767 A1 AU 2003260767A1 AU 2003260767 A AU2003260767 A AU 2003260767A AU 2003260767 A AU2003260767 A AU 2003260767A AU 2003260767 A1 AU2003260767 A1 AU 2003260767A1
- Authority
- AU
- Australia
- 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.)
- Abandoned
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
-
- 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- 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
- G01N2021/0385—Diffusing membrane; Semipermeable membrane
-
- 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
-
- 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
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/121—Correction signals
- G01N2201/1211—Correction signals for temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0220351A GB2392721A (en) | 2002-09-03 | 2002-09-03 | Gas sensors |
GB0220351.1 | 2002-09-03 | ||
PCT/GB2003/003782 WO2004023113A1 (en) | 2002-09-03 | 2003-09-02 | Gas sensors |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2003260767A1 true AU2003260767A1 (en) | 2004-03-29 |
Family
ID=9943342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2003260767A Abandoned AU2003260767A1 (en) | 2002-09-03 | 2003-09-02 | Gas sensors |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003260767A1 (en) |
GB (1) | GB2392721A (en) |
WO (1) | WO2004023113A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10144873A1 (en) * | 2001-09-12 | 2003-03-27 | Bosch Gmbh Robert | Micromechanical heat conductivity sensor used for analyzing gas mixtures containing hydrogen and/or helium has a thermally insulating membrane covered on one or both of its sides by a porous covering plate which permits gas diffusion |
GB0327931D0 (en) * | 2003-12-02 | 2004-01-07 | City Tech | Gas sensor |
US7244939B2 (en) | 2003-12-09 | 2007-07-17 | Dynament Limited | Gas sensor |
GB2401432B (en) * | 2003-12-09 | 2005-05-04 | Dynament Ltd | Gas sensor |
DE10360215A1 (en) | 2003-12-20 | 2005-07-28 | Robert Bosch Gmbh | gas sensor |
SE534082C2 (en) * | 2004-12-29 | 2011-04-26 | Senseair Ab | A gas detecting arrangement |
DE102005018470A1 (en) * | 2005-04-21 | 2006-10-26 | Robert Bosch Gmbh | Optical gas sensor |
US7214939B1 (en) * | 2005-11-21 | 2007-05-08 | Airware, Inc. | Ultra low power NDIR carbon dioxide sensor fire detector |
DE102007006155A1 (en) * | 2007-02-07 | 2008-08-14 | Tyco Electronics Raychem Gmbh | Substrate with integrated filter for gas sensor arrangements |
GB0705356D0 (en) | 2007-03-21 | 2007-04-25 | Alphasense Ltd | Optical absorption gas sensor |
JP2009092545A (en) | 2007-10-10 | 2009-04-30 | Panasonic Corp | Composite sensor for detecting angular velocity and acceleration |
US20100010520A1 (en) | 2008-07-11 | 2010-01-14 | Olympus Medical Systems Corp. | Tissue fastener |
SE534685C2 (en) * | 2008-12-12 | 2011-11-15 | Senseair Ab | Gas sensor arrangement for circuit boards |
DE102009036114B3 (en) * | 2009-08-05 | 2010-09-02 | Dräger Safety AG & Co. KGaA | Infrared-optical gas measurement device for use in warning- and alarm system for monitoring concentration of e.g. explosive gas in industry, has split washers or perforated disks arranged in region of gas inlet opening |
SE535267C2 (en) | 2009-10-26 | 2012-06-12 | Senseair Ab | A measurement cell adapted to a spectral analysis |
WO2013012382A1 (en) * | 2011-07-20 | 2013-01-24 | Logico2 Online Sarl | Device and system for gas leakage detection and alarm |
JP5985909B2 (en) * | 2012-07-10 | 2016-09-06 | 旭化成エレクトロニクス株式会社 | Gas sensor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4709150A (en) * | 1986-03-18 | 1987-11-24 | Burough Irvin G | Method and apparatus for detecting gas |
JPH0619327B2 (en) * | 1988-03-10 | 1994-03-16 | 三洋電機株式会社 | Infrared gas concentration meter |
US5053754A (en) * | 1990-04-02 | 1991-10-01 | Gaztech Corporation | Simple fire detector |
GB2262338A (en) * | 1991-07-02 | 1993-06-16 | Stephen William Goom | Infra red gas detector |
US5596314A (en) * | 1994-08-01 | 1997-01-21 | Quantum Group, Inc. | Enclosure for a gas detector system |
DE19645321A1 (en) * | 1996-11-04 | 1998-05-07 | Gerhard Prof Dr Wiegleb | Gas sensor arrangement |
US6067840A (en) * | 1997-08-04 | 2000-05-30 | Texas Instruments Incorporated | Method and apparatus for infrared sensing of gas |
US6410918B1 (en) * | 1997-10-28 | 2002-06-25 | Edwards Systems Technology, Inc. | Diffusion-type NDIR gas analyzer with improved response time due to convection flow |
US6201245B1 (en) * | 1998-06-18 | 2001-03-13 | Robert J. Schrader | Infrared, multiple gas analyzer and methods for gas analysis |
GB2358245A (en) * | 1999-10-21 | 2001-07-18 | Pittway Corp | Photo-acoustic gas sensor |
US20020104967A1 (en) * | 2001-02-06 | 2002-08-08 | Spx Corporation | Gas sensor based on energy absorption |
-
2002
- 2002-09-03 GB GB0220351A patent/GB2392721A/en not_active Withdrawn
-
2003
- 2003-09-02 AU AU2003260767A patent/AU2003260767A1/en not_active Abandoned
- 2003-09-02 WO PCT/GB2003/003782 patent/WO2004023113A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2004023113A1 (en) | 2004-03-18 |
GB2392721A (en) | 2004-03-10 |
GB0220351D0 (en) | 2002-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |