ATE336715T1 - Nicht-dispersive infrarot messung von gasen mit einem optischen filter - Google Patents

Nicht-dispersive infrarot messung von gasen mit einem optischen filter

Info

Publication number
ATE336715T1
ATE336715T1 AT01938369T AT01938369T ATE336715T1 AT E336715 T1 ATE336715 T1 AT E336715T1 AT 01938369 T AT01938369 T AT 01938369T AT 01938369 T AT01938369 T AT 01938369T AT E336715 T1 ATE336715 T1 AT E336715T1
Authority
AT
Austria
Prior art keywords
gas
filter
gases
optical filter
infrared measurement
Prior art date
Application number
AT01938369T
Other languages
English (en)
Inventor
Elizabeth Jane Hodgkinson
Original Assignee
Lattice Intellectual Property
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
Priority claimed from GB0013409A external-priority patent/GB0013409D0/en
Priority claimed from GB0022427A external-priority patent/GB0022427D0/en
Application filed by Lattice Intellectual Property filed Critical Lattice Intellectual Property
Application granted granted Critical
Publication of ATE336715T1 publication Critical patent/ATE336715T1/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
    • G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT01938369T 2000-06-02 2001-05-30 Nicht-dispersive infrarot messung von gasen mit einem optischen filter ATE336715T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0013409A GB0013409D0 (en) 2000-06-02 2000-06-02 Filtered IR measurements of gases
GB0022427A GB0022427D0 (en) 2000-09-13 2000-09-13 Filtered ir measurements of gases

Publications (1)

Publication Number Publication Date
ATE336715T1 true ATE336715T1 (de) 2006-09-15

Family

ID=26244410

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01938369T ATE336715T1 (de) 2000-06-02 2001-05-30 Nicht-dispersive infrarot messung von gasen mit einem optischen filter

Country Status (10)

Country Link
US (1) US7091487B2 (de)
EP (1) EP1295106B1 (de)
JP (1) JP3817517B2 (de)
CN (1) CN1432128A (de)
AT (1) ATE336715T1 (de)
AU (1) AU2001264050A1 (de)
CA (1) CA2411284C (de)
DE (1) DE60122332T2 (de)
GB (1) GB2368637B (de)
WO (1) WO2001094916A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003221280A (ja) 2002-01-30 2003-08-05 Sumitomo Electric Ind Ltd 導電性窒化珪素系複合焼結体およびその製造方法
ATE373817T1 (de) * 2002-06-01 2007-10-15 Siemens Schweiz Ag Optischer gasmelder
CA2771670C (en) * 2003-03-13 2013-04-02 Synodon Inc. Remote sensing of gas leaks
EP2444791B1 (de) * 2010-10-25 2020-04-15 General Electric Company Gasanalysegerät zur Messung von mindestens zwei Bestandteilen eines Gases
US9932910B2 (en) 2014-04-18 2018-04-03 Avl Powertrain Engineering, Inc. Natural gas quality sensor and method for using the same
JP2016200558A (ja) * 2015-04-14 2016-12-01 横河電機株式会社 ガス濃度分析装置
CN106125184B (zh) * 2016-08-30 2019-01-25 镇江爱豪科思电子科技有限公司 一种甲醛气体检测用红外滤光片及其制备方法
CN106405708B (zh) * 2016-08-30 2019-01-25 镇江爱豪科思电子科技有限公司 一种甲烷气体检测用红外滤光片及其制备方法
FR3059104B1 (fr) * 2016-11-18 2020-12-11 Electricite De France Dispositif et procede d'estimation d'un parametre d'un materiau polymere
WO2021007251A1 (en) 2019-07-08 2021-01-14 Aclima Inc. Methane peak detection

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323777A (en) * 1980-05-19 1982-04-06 Infrared Industries, Inc. Hydrocarbon gas analyzer
JPS59212738A (ja) 1983-05-18 1984-12-01 Showa Denko Kk メタンガス濃度測定法およびその測定装置
DE3334264A1 (de) 1982-09-25 1984-04-05 Showa Denko K.K., Tokyo Verfahren und messgeraet zum messen der methan-konzentration in einem gasgemisch
GB8309211D0 (en) 1983-04-05 1983-05-11 Edinburgh Instr Infra red absorption gas detectors
GB8515519D0 (en) 1985-06-19 1985-07-24 Graviner Ltd Gas detection
JPS62273436A (ja) 1986-05-22 1987-11-27 Showa Denko Kk 混合ガスの成分ガス濃度の検知方法およびその装置
US5555885A (en) 1988-12-21 1996-09-17 Non-Invasive Technology, Inc. Examination of breast tissue using time-resolved spectroscopy
DE3939190A1 (de) * 1989-01-25 1990-08-09 Baldwin Gegenheimer Gmbh Durchlauftrockner von rollenrotationsdruckmaschinen und betrieb eines derartigen durchlauftrockners bei fortdruck und beim zylinderwaschen mit laufender bahn
DE4301457A1 (de) 1993-01-21 1994-08-04 E T R Elektronik Technologie R Detektor für brennbare Gase insbesondere Methan
FR2738065B1 (fr) 1995-08-21 1997-11-07 Inst Francais Du Petrole Dispositif perfectionne et methode pour mesurer optiquement des caracteristiques d'une substance
JP3267625B2 (ja) 1995-10-23 2002-03-18 サイトメトリクス インコーポレイテッド 反射画像分析の方法および装置
JPH1082740A (ja) * 1996-09-06 1998-03-31 Shimadzu Corp 赤外線式ガス分析計
US5818598A (en) * 1996-12-20 1998-10-06 Aerodyne Research, Inc. Nondispersive optical monitor for nitrogen-oxygen compounds
US5822058A (en) * 1997-01-21 1998-10-13 Spectral Sciences, Inc. Systems and methods for optically measuring properties of hydrocarbon fuel gases
US6037592A (en) 1997-02-14 2000-03-14 Underground Systems, Inc. System for measuring gases dissolved in a liquid
EP1019702B1 (de) * 1997-10-10 2003-01-29 Zellweger Analytics Limited Optische gasdetektion
JPH11118712A (ja) 1997-10-14 1999-04-30 Horiba Ltd 赤外線ガス分析システム
US6061141A (en) * 1998-01-20 2000-05-09 Spectronix Ltd. Method and system for detecting gases or vapors in a monitored area
FR2773973B1 (fr) 1998-01-23 2000-03-31 Seb Sa Ustensile de cuisson comprenant un capteur pour mesurer la temperature de cet ustensile
US6155160A (en) * 1998-06-04 2000-12-05 Hochbrueckner; Kenneth Propane detector system
US6545278B1 (en) * 1999-04-23 2003-04-08 Delphian Corporation Gas discriminating gas detector system and method
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Also Published As

Publication number Publication date
CA2411284C (en) 2012-05-29
WO2001094916A1 (en) 2001-12-13
DE60122332T2 (de) 2007-09-13
GB0113042D0 (en) 2001-07-18
AU2001264050A1 (en) 2001-12-17
US7091487B2 (en) 2006-08-15
GB2368637B (en) 2004-12-15
JP2003536066A (ja) 2003-12-02
CA2411284A1 (en) 2001-12-13
EP1295106A1 (de) 2003-03-26
EP1295106B1 (de) 2006-08-16
CN1432128A (zh) 2003-07-23
JP3817517B2 (ja) 2006-09-06
GB2368637A (en) 2002-05-08
US20030183766A1 (en) 2003-10-02
DE60122332D1 (de) 2006-09-28

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