GB0405252D0 - High sensitivity gas detector - Google Patents

High sensitivity gas detector

Info

Publication number
GB0405252D0
GB0405252D0 GBGB0405252.8A GB0405252A GB0405252D0 GB 0405252 D0 GB0405252 D0 GB 0405252D0 GB 0405252 A GB0405252 A GB 0405252A GB 0405252 D0 GB0405252 D0 GB 0405252D0
Authority
GB
United Kingdom
Prior art keywords
high sensitivity
gas detector
sensitivity gas
detector
sensitivity
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Withdrawn
Application number
GBGB0405252.8A
Other versions
GB2411953A (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.)
RICHMAN LEE P
Original Assignee
RICHMAN LEE P
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 RICHMAN LEE P filed Critical RICHMAN LEE P
Priority to GB0405252A priority Critical patent/GB2411953A/en
Publication of GB0405252D0 publication Critical patent/GB0405252D0/en
Priority to PCT/GB2005/000876 priority patent/WO2005088275A1/en
Priority to CA2558851A priority patent/CA2558851C/en
Priority to US10/592,473 priority patent/US7705988B2/en
Priority to EP05717944A priority patent/EP1723407B1/en
Priority to AT05717944T priority patent/ATE378580T1/en
Priority to DE602005003337T priority patent/DE602005003337T2/en
Publication of GB2411953A publication Critical patent/GB2411953A/en
Withdrawn legal-status Critical Current

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
    • 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
    • G01N2021/396—Type of laser source
    • G01N2021/399—Diode laser
GB0405252A 2004-03-09 2004-03-09 High sensitivity gas detector Withdrawn GB2411953A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB0405252A GB2411953A (en) 2004-03-09 2004-03-09 High sensitivity gas detector
PCT/GB2005/000876 WO2005088275A1 (en) 2004-03-09 2005-03-08 Gas detection
CA2558851A CA2558851C (en) 2004-03-09 2005-03-08 Gas detection
US10/592,473 US7705988B2 (en) 2004-03-09 2005-03-08 Gas detection
EP05717944A EP1723407B1 (en) 2004-03-09 2005-03-08 Gas detection
AT05717944T ATE378580T1 (en) 2004-03-09 2005-03-08 GAS PROOF
DE602005003337T DE602005003337T2 (en) 2004-03-09 2005-03-08 GAS DETECTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0405252A GB2411953A (en) 2004-03-09 2004-03-09 High sensitivity gas detector

Publications (2)

Publication Number Publication Date
GB0405252D0 true GB0405252D0 (en) 2004-04-21
GB2411953A GB2411953A (en) 2005-09-14

Family

ID=32117304

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0405252A Withdrawn GB2411953A (en) 2004-03-09 2004-03-09 High sensitivity gas detector

Country Status (1)

Country Link
GB (1) GB2411953A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2674528C (en) * 2006-12-22 2016-02-09 Photonic Innovations Limited Gas detector
CN102654456A (en) * 2012-04-12 2012-09-05 安徽皖仪科技股份有限公司 Device and method for multiple-parameter measurement of combustion state of coal-fired boiler
DE102015217633A1 (en) * 2015-09-15 2017-03-16 Siemens Aktiengesellschaft Device for detecting an arc fault and electrical switchgear

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733084A (en) * 1985-01-09 1988-03-22 Sumitomo Electric Industries, Ltd. Method of detection and quantitative determination of sulfur and sulfur monitor using the method
EP0364642A1 (en) * 1988-09-22 1990-04-25 The Victoria University Of Manchester Gas detection method and apparatus
DE4110095C2 (en) * 1991-03-27 1998-02-12 Draegerwerk Ag Method for gas spectroscopic measurement of the concentration of a gas component

Also Published As

Publication number Publication date
GB2411953A (en) 2005-09-14

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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)