NO994193L - Gassdetektor med referansecelle - Google Patents

Gassdetektor med referansecelle

Info

Publication number
NO994193L
NO994193L NO994193A NO994193A NO994193L NO 994193 L NO994193 L NO 994193L NO 994193 A NO994193 A NO 994193A NO 994193 A NO994193 A NO 994193A NO 994193 L NO994193 L NO 994193L
Authority
NO
Norway
Prior art keywords
gas
reference cell
laser
laser transmitter
light
Prior art date
Application number
NO994193A
Other languages
English (en)
Other versions
NO994193D0 (no
Inventor
John Tulip
Original Assignee
John Tulip
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 John Tulip filed Critical John Tulip
Publication of NO994193D0 publication Critical patent/NO994193D0/no
Publication of NO994193L publication Critical patent/NO994193L/no

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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
NO994193A 1998-08-31 1999-08-30 Gassdetektor med referansecelle NO994193L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/143,970 US6121627A (en) 1998-08-31 1998-08-31 Gas detector with reference cell

Publications (2)

Publication Number Publication Date
NO994193D0 NO994193D0 (no) 1999-08-30
NO994193L true NO994193L (no) 2000-03-01

Family

ID=22506504

Family Applications (1)

Application Number Title Priority Date Filing Date
NO994193A NO994193L (no) 1998-08-31 1999-08-30 Gassdetektor med referansecelle

Country Status (6)

Country Link
US (1) US6121627A (no)
EP (1) EP0984267B1 (no)
AT (1) ATE272834T1 (no)
CA (1) CA2279561C (no)
DE (1) DE69919094T2 (no)
NO (1) NO994193L (no)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6822216B2 (en) * 2002-01-08 2004-11-23 Honeywell International, Inc. Obscuration detector
US6628373B2 (en) 2002-01-09 2003-09-30 Trimble Navigation Limited Laser transmitter with thermally induced error compensation and method of transmitter compensation
US6621560B2 (en) * 2002-01-09 2003-09-16 Trimble Navigation Limited Laser transmitter with thermally induced error compensation and method of transmitter compensation
US6775001B2 (en) * 2002-02-28 2004-08-10 Lambda Control, Inc. Laser-based spectrometer for use with pulsed and unstable wavelength laser sources
US6750453B1 (en) 2002-05-25 2004-06-15 Ophir Corporation Methods of and apparatus for detecting low concentrations of target gases in the free atmosphere
EP1633627A1 (de) 2003-06-16 2006-03-15 Siemens Aktiengesellschaft Vorrichtung und verfahren zur berwachung der sauerstoffkonzentration in einem flugzeugtank
US7067323B2 (en) * 2003-10-15 2006-06-27 Lighthouse Instruments, Llc System and method for automated headspace analysis
US8081304B2 (en) 2006-07-31 2011-12-20 Visualant, Inc. Method, apparatus, and article to facilitate evaluation of objects using electromagnetic energy
ITTO20060778A1 (it) * 2006-10-30 2008-04-30 Consiglio Nazionale Ricerche Apparecchiatura per la misura di pressione di gas in contenitori
DE102009009314A1 (de) * 2008-07-09 2010-01-21 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Regelung oder Überwachung von Feuerungsanlagen sowie zur Überwachung von Gebäuden mit Gasbrennern
CN102323217A (zh) * 2011-10-09 2012-01-18 重庆市电力公司电力科学研究院 Gis开关内气体含量全息检测装置及方法
CN102798610B (zh) * 2012-06-05 2014-06-18 清华大学 一种基于半高宽积分法的气体浓度在线测量方法
WO2013191728A1 (en) * 2012-06-22 2013-12-27 Yokogawa Corporation Of America Method and apparatus for two point calibration of a tunable diode laser analyzer
US9759610B2 (en) * 2012-08-01 2017-09-12 General Electric Company Method and device for dissolved gas analysis
CN102798609B (zh) * 2012-08-20 2014-12-31 杭州电子科技大学 基于量子级联激光器的汽车尾气遥感检测系统和方法
EP2762857B1 (en) * 2012-12-19 2018-05-02 General Electric Company Method and device for dissolved gas analysis
US9316581B2 (en) 2013-02-04 2016-04-19 Visualant, Inc. Method, apparatus, and article to facilitate evaluation of substances using electromagnetic energy
US9041920B2 (en) 2013-02-21 2015-05-26 Visualant, Inc. Device for evaluation of fluids using electromagnetic energy
WO2014165003A1 (en) * 2013-03-12 2014-10-09 Visualant, Inc. Systems and methods for fluid analysis using electromagnetic energy
BR102014020098A2 (pt) 2013-08-29 2015-11-24 Gen Electric método e sistema
US10732135B2 (en) * 2015-06-16 2020-08-04 Multicore Technologies, Llc System and method for determining one or more fluid concentrations in a fluid stream
US11204320B2 (en) * 2020-04-23 2021-12-21 Raytheon Company Aerosol transmissometer with an in-process transfer standard

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697185A (en) * 1970-08-06 1972-10-10 Technicon Instr Method and apparatus for the time sharing of multiple channel analysis means
FR2569864B1 (fr) * 1984-09-04 1987-01-30 Commissariat Energie Atomique Equipement d'emission et de distribution de lumiere par fibres optiques, notamment pour le controle spectrophotometrique en ligne a l'aide d'un spectrophotometre double faisceau
GB8722283D0 (en) * 1987-09-22 1987-10-28 Univ Manchester Gas detection
SE8802536D0 (sv) * 1988-07-07 1988-07-07 Altoptronic Ab Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov
US4968887A (en) * 1989-07-14 1990-11-06 Evionics, Inc. Gaseous nitrogen detection using excited-state laser spectroscopy
US5026991A (en) * 1989-09-20 1991-06-25 Spectral Sciences, Inc. Gaseous species absorption monitor
US5047639A (en) * 1989-12-22 1991-09-10 Wong Jacob Y Concentration detector
US5202570A (en) * 1990-03-27 1993-04-13 Tokyo Gas Co., Ltd. Gas detection device
US5340987A (en) * 1991-03-15 1994-08-23 Li-Cor, Inc. Apparatus and method for analyzing gas
DE4110095C2 (de) * 1991-03-27 1998-02-12 Draegerwerk Ag Verfahren zur gasspektroskopischen Messung der Konzentration eines Gasbestandteiles
US5317156A (en) * 1992-01-29 1994-05-31 Sri International Diagnostic tests using near-infrared laser absorption spectroscopy
US5331409A (en) * 1992-06-12 1994-07-19 George Thurtell Tunable diode laser gas analyzer
JPH07140075A (ja) * 1993-09-24 1995-06-02 Fuji Electric Co Ltd 赤外線ガス分析計
US5381010A (en) * 1993-12-03 1995-01-10 Sleepair Corporation Periodically alternating path and alternating wavelength bridges for quantitative and ultrasensitive measurement of vapor concentration
WO1995026497A1 (fr) * 1994-03-25 1995-10-05 Nippon Sanso Corporation Analyse de gaz par spectrochimie infrarouge et appareil utilise
CA2130854C (en) * 1994-08-25 2004-02-10 Mario A. Sauvageau Apparatus and method for producing a reference gas
US5477321A (en) * 1994-08-31 1995-12-19 Bayer Corporation Dual beam tunable spectrometer

Also Published As

Publication number Publication date
EP0984267B1 (en) 2004-08-04
US6121627A (en) 2000-09-19
DE69919094D1 (de) 2004-09-09
ATE272834T1 (de) 2004-08-15
CA2279561C (en) 2006-10-31
NO994193D0 (no) 1999-08-30
DE69919094T2 (de) 2005-07-28
EP0984267A1 (en) 2000-03-08
CA2279561A1 (en) 2000-02-29

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application