GB0025434D0 - Gas detectors - Google Patents
Gas detectorsInfo
- Publication number
- GB0025434D0 GB0025434D0 GB0025434A GB0025434A GB0025434D0 GB 0025434 D0 GB0025434 D0 GB 0025434D0 GB 0025434 A GB0025434 A GB 0025434A GB 0025434 A GB0025434 A GB 0025434A GB 0025434 D0 GB0025434 D0 GB 0025434D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas detectors
- detectors
- 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- Withdrawn
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
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
-
- 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
- G01N2021/0378—Shapes
- G01N2021/0382—Frustoconical, tapered cell
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42268199A | 1999-10-21 | 1999-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0025434D0 true GB0025434D0 (en) | 2000-11-29 |
| GB2358245A GB2358245A (en) | 2001-07-18 |
Family
ID=23675908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0025434A Withdrawn GB2358245A (en) | 1999-10-21 | 2000-10-17 | Photo-acoustic gas sensor |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA2323675A1 (en) |
| DE (1) | DE10051691A1 (en) |
| GB (1) | GB2358245A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333251A (en) * | 2021-12-29 | 2022-04-12 | 成都中科慧源科技有限公司 | Intelligent alarm, method, system, equipment and storage medium |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2372099B (en) * | 2001-02-08 | 2003-11-05 | Status Scient Controls Ltd | Gas sensor |
| GB2392721A (en) * | 2002-09-03 | 2004-03-10 | E2V Tech Uk Ltd | Gas sensors |
| CN1299103C (en) * | 2005-03-04 | 2007-02-07 | 云南大学 | Sampling device for monitoring and surveying end-expiratoxy carbon dioxide |
| DE102006048839B4 (en) * | 2006-10-16 | 2010-01-07 | Eads Deutschland Gmbh | Photoacoustic gas sensor device with several measuring cells |
| DE102007014520B3 (en) * | 2007-03-27 | 2008-10-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Photoacoustic detector with two beam paths for the excitation light |
| DE102008059390B3 (en) * | 2008-11-27 | 2010-05-12 | Miopas Gmbh | Sensor i.e. photo-acoustic gas sensor, for use in sensor system for ozone or flue gases, has interaction zone limited by light rectifier, where light rectifier is provided as solid body, which inwardly limits interaction zone |
| US8077317B2 (en) * | 2009-04-09 | 2011-12-13 | Kidde Technologies, Inc. | Sensor head for a dry powder agent |
| DE102010030549B4 (en) | 2010-06-25 | 2016-04-28 | Siemens Aktiengesellschaft | Non-dispersive gas analyzer |
| US8322191B2 (en) | 2010-06-30 | 2012-12-04 | Honeywell International Inc. | Enhanced cavity for a photoacoustic gas sensor |
| US8922381B2 (en) | 2011-07-20 | 2014-12-30 | Logico2 Online Sarl | Device and system for gas leakage detection and alarm |
| US10883875B2 (en) | 2015-03-05 | 2021-01-05 | Honeywell International Inc. | Use of selected glass types and glass thicknesses in the optical path to remove cross sensitivity to water absorption peaks |
| DE102015106373B4 (en) | 2015-04-24 | 2023-03-02 | Infineon Technologies Ag | PHOTOACOUSTIC GAS SENSOR MODULE WITH LIGHT EMITTER UNIT AND DETECTOR UNIT |
| CN108351294A (en) | 2015-09-10 | 2018-07-31 | 霍尼韦尔国际公司 | Detector with normalized response and improvement sensitivity |
| US10393591B2 (en) | 2015-10-09 | 2019-08-27 | Honeywell International Inc. | Electromagnetic radiation detector using a planar Golay cell |
| EP3783339B1 (en) * | 2019-08-22 | 2023-04-19 | Infineon Technologies AG | Detector cell for a photoacoustic gas sensor and photoacoustic gas sensor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725702A (en) * | 1969-01-29 | 1973-04-03 | Hartmann & Braun Ag | Infrared gas analyzer |
| DE2808033A1 (en) * | 1978-02-24 | 1979-08-30 | Siemens Ag | DEVICE FOR SUPPRESSION OF WATER VAPOR CROSS-SENSITIVITY IN A NON-DISPERSIVE INFRARED GAS ANALYZER |
| JPS62126329A (en) * | 1985-11-27 | 1987-06-08 | Horiba Ltd | Light absorption analyser |
-
2000
- 2000-10-17 GB GB0025434A patent/GB2358245A/en not_active Withdrawn
- 2000-10-17 CA CA 2323675 patent/CA2323675A1/en not_active Abandoned
- 2000-10-18 DE DE2000151691 patent/DE10051691A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333251A (en) * | 2021-12-29 | 2022-04-12 | 成都中科慧源科技有限公司 | Intelligent alarm, method, system, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10051691A1 (en) | 2001-06-07 |
| GB2358245A (en) | 2001-07-18 |
| CA2323675A1 (en) | 2001-04-21 |
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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) |