NO981768L - FremgangsmÕte til selektiv deteksjon av gasser og gassensor for bruk ved fremgangsmÕten - Google Patents

FremgangsmÕte til selektiv deteksjon av gasser og gassensor for bruk ved fremgangsmÕten

Info

Publication number
NO981768L
NO981768L NO981768A NO981768A NO981768L NO 981768 L NO981768 L NO 981768L NO 981768 A NO981768 A NO 981768A NO 981768 A NO981768 A NO 981768A NO 981768 L NO981768 L NO 981768L
Authority
NO
Norway
Prior art keywords
laser diode
spectral
gas sensor
gases
dfb
Prior art date
Application number
NO981768A
Other languages
English (en)
Norwegian (no)
Other versions
NO981768D0 (no
Inventor
Rainer Strzoda
Erhard Magori
Maximilian Fleischer
Hans Meixner
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NO981768D0 publication Critical patent/NO981768D0/no
Publication of NO981768L publication Critical patent/NO981768L/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 Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
NO981768A 1997-04-23 1998-04-20 FremgangsmÕte til selektiv deteksjon av gasser og gassensor for bruk ved fremgangsmÕten NO981768L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19717145A DE19717145C2 (de) 1997-04-23 1997-04-23 Verfahren zur selektiven Detektion von Gasen und Gassensor zu dessen Durchführung

Publications (2)

Publication Number Publication Date
NO981768D0 NO981768D0 (no) 1998-04-20
NO981768L true NO981768L (no) 1998-10-26

Family

ID=7827499

Family Applications (1)

Application Number Title Priority Date Filing Date
NO981768A NO981768L (no) 1997-04-23 1998-04-20 FremgangsmÕte til selektiv deteksjon av gasser og gassensor for bruk ved fremgangsmÕten

Country Status (5)

Country Link
US (1) US6353225B1 (fr)
EP (1) EP0874233B1 (fr)
AT (1) ATE454620T1 (fr)
DE (1) DE19717145C2 (fr)
NO (1) NO981768L (fr)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922812C2 (de) 1999-05-19 2001-10-25 Merck Patent Gmbh Messung von Trübungen mittels Reflektometrie
EP1103804B1 (fr) * 1999-11-24 2005-08-31 Siemens Aktiengesellschaft Procédé pour la détection d'un gaz naturel
GB0002535D0 (en) 2000-02-04 2000-03-29 Bg Intellectual Pty Ltd A method for determining the safety of gas mixtures
DE10031674A1 (de) * 2000-06-29 2002-01-17 Siemens Ag Verfahren zur Brennwertbestimmung von Erdgas
US7132661B2 (en) 2000-08-28 2006-11-07 Spectrasensors, Inc. System and method for detecting water vapor within natural gas
DE10063678A1 (de) * 2000-12-20 2002-07-18 Siemens Ag Verfahren zur selektiven Detektion von Gasen mittels Laserspektroskopie
EP1368872A2 (fr) * 2001-03-08 2003-12-10 Siemens Plc Source laser a longueur d'onde stable
GB0105651D0 (en) * 2001-03-08 2001-04-25 Siemens Plc Temperature stabilised laser diode and gas reference package
DE10147065B4 (de) * 2001-09-25 2008-04-17 Siemens Ag Verfahren zur Detektion von Absorptionslinien in der Absorptionsspektroskopie
DE10304455B4 (de) * 2003-02-04 2005-04-14 Siemens Ag Verfahren zur Analyse eines Gasgemisches
US7782460B2 (en) * 2003-05-06 2010-08-24 Baker Hughes Incorporated Laser diode array downhole spectrometer
US7196786B2 (en) * 2003-05-06 2007-03-27 Baker Hughes Incorporated Method and apparatus for a tunable diode laser spectrometer for analysis of hydrocarbon samples
WO2004113169A1 (fr) * 2003-06-16 2004-12-29 Siemens Aktiengesellschaft Dispositif et procede pour la surveillance de la concentration en oxygene dans un reservoir d'aeronef
KR20070020166A (ko) * 2003-08-26 2007-02-20 레드시프트 시스템즈 코포레이션 적외선 카메라 시스템
US7064835B2 (en) * 2003-09-02 2006-06-20 Symmetricom, Inc. Miniature gas cell with folded optics
DE102004030855A1 (de) * 2004-06-25 2006-01-12 Tyco Electronics Raychem Gmbh Verfahren zur Reduzierung von Kondenswasser bei Gassensoranordnungen
DE102004037519B4 (de) 2004-07-30 2008-12-18 Universität Kassel Sensor-Vorrichtung und Verfahren zur Ermittlung einer physikalischen Größe
KR100631477B1 (ko) * 2004-11-03 2006-10-09 건국대학교 산학협력단 대기오염 분석을 위한 수분 전처리 수단이 구비된 시료포집장치
JP2006220625A (ja) * 2005-02-14 2006-08-24 Denso Corp 赤外線式ガス検知装置
US20060263256A1 (en) * 2005-05-17 2006-11-23 Nitrex Metal Inc. Apparatus and method for controlling atmospheres in heat treating of metals
JP4605508B2 (ja) * 2005-12-28 2011-01-05 セイコーエプソン株式会社 原子周波数取得装置および原子時計
DE102006004605B4 (de) * 2006-02-01 2008-10-02 Siemens Ag Anordnung zur Konzentrationsmessung für Abgaskomponenten im Abgasbereich einer Feuerungsanlage
US7679059B2 (en) * 2006-04-19 2010-03-16 Spectrasensors, Inc. Measuring water vapor in hydrocarbons
US7511802B2 (en) 2006-05-26 2009-03-31 Spectrasensors, Inc. Measuring trace components of complex gases using gas chromatography/absorption spectrometry
DE102006030296A1 (de) * 2006-06-30 2008-01-03 Siemens Ag Gasanalyse mit Laser-Spektroskopie
US7508521B2 (en) * 2007-03-14 2009-03-24 Spectrasensors, Inc. Pressure-invariant trace gas detection
EP2140246B1 (fr) * 2007-04-11 2016-08-03 SpectraSensors, Inc. Détection de gaz réactifs dans des mélanges gaseux complexes
EP2000792B1 (fr) * 2007-06-06 2011-08-03 Siemens Aktiengesellschaft Procédé de mesure de la concentration d'un composant gazeux dans un gaz de mesure
US7886821B2 (en) * 2008-01-24 2011-02-15 Baker Hughes Incorporated Apparatus and method for determining fluid properties
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
US8416415B2 (en) 2009-04-27 2013-04-09 General Electric Company Gas turbine optical imaging system
EP2320215B1 (fr) 2009-11-06 2013-05-01 Axetris AG Système laser à semi-conducteur de détection de gaz avec élément de mise en forme de faisceau intégré et commandé thermiquement
US9436853B1 (en) * 2011-03-01 2016-09-06 Globaltrak, Llc Methods and apparatus for combining temperature data from separate segments of handling
US8547554B2 (en) * 2011-08-17 2013-10-01 General Electric Company Method and system for detecting moisture in natural gas
US9194797B2 (en) 2013-12-20 2015-11-24 General Electric Company Method and system for detecting moisture in a process gas involving cross interference
CN103868871A (zh) * 2014-04-08 2014-06-18 邓文平 一种浓度分析方法
US10024787B2 (en) 2014-05-15 2018-07-17 General Electric Company System and method for measuring concentration of a trace gas in a gas mixture
US10643008B2 (en) 2014-11-11 2020-05-05 Spectrasensors, Inc. Target analyte detection and quantification in sample gases with complex background compositions
DE102016015424B4 (de) * 2016-12-23 2019-12-05 Drägerwerk AG & Co. KGaA Vorrichtung zur Bestimmung einer Konzentration eines Gases
WO2022015706A1 (fr) * 2020-07-14 2022-01-20 Soter Technologies, Llc Systèmes et procédés de détection de cigarette électronique optique

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8802536D0 (sv) * 1988-07-07 1988-07-07 Altoptronic Ab Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov
GB2231951A (en) * 1989-03-02 1990-11-28 I E I Detection apparatus and methods
US5047639A (en) * 1989-12-22 1991-09-10 Wong Jacob Y Concentration detector
US5223715A (en) * 1991-09-20 1993-06-29 Amoco Corporation Process for spectrophotometric analysis
US5340986A (en) * 1991-11-18 1994-08-23 Gaztech International Corporation Diffusion-type gas sample chamber
US5317156A (en) * 1992-01-29 1994-05-31 Sri International Diagnostic tests using near-infrared laser absorption spectroscopy
US5625189A (en) * 1993-04-16 1997-04-29 Bruce W. McCaul Gas spectroscopy
US5448071A (en) * 1993-04-16 1995-09-05 Bruce W. McCaul Gas spectroscopy
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
FR2716973B1 (fr) * 1994-03-03 1996-06-07 Schlumberger Ind Sa Procédé et dispositif de détermination de l'absorption d'un rayonnement électromagnétique par un gaz.
US5464982A (en) * 1994-03-21 1995-11-07 Andros Incorporated Respiratory gas analyzer
DE4429582C2 (de) * 1994-08-19 1998-02-26 Draegerwerk Ag Strahlungsquelle für ein Meßsystem
FI945124A0 (fi) * 1994-10-31 1994-10-31 Valtion Teknillinen Spektrometer
FR2733319B1 (fr) * 1995-04-21 1997-05-23 Air Liquide Procede et dispositif d'analyse de traces d'impuretes dans un echantillon de gaz au moyen d'une diode laser
DE19525415C2 (de) * 1995-07-12 1997-11-27 Optikzentrum Nrw Gmbh Oz Verfahren und Vorrichtung zur Bestimmung der Wasserdampfkonzentration bzw. des Taupunktes
DE19528919A1 (de) * 1995-08-07 1997-02-20 Microparts Gmbh Mikrostrukturiertes Infrarot-Absorptionsphotometer
US5748325A (en) * 1995-09-11 1998-05-05 Tulip; John Gas detector for plural target zones
US5637872A (en) * 1995-08-24 1997-06-10 Tulip; John Gas detector
EP0768523B1 (fr) * 1995-10-10 2004-06-09 L'air Liquide, S.A. à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Procédé et système pour la détection sensible sous vide d'espèces moléculaires par spectroscopie harmonique
DE19611290C2 (de) * 1996-03-22 1998-04-16 Draegerwerk Ag Gassensor

Also Published As

Publication number Publication date
EP0874233A3 (fr) 1999-03-31
ATE454620T1 (de) 2010-01-15
US6353225B1 (en) 2002-03-05
DE19717145C2 (de) 1999-06-02
NO981768D0 (no) 1998-04-20
EP0874233B1 (fr) 2010-01-06
DE19717145A1 (de) 1998-10-29
EP0874233A2 (fr) 1998-10-28

Similar Documents

Publication Publication Date Title
NO981768D0 (no) FremgangsmÕte til selektiv deteksjon av gasser og gassensor for bruk ved fremgangsmÕten
US8830469B2 (en) Method for detection of gases by laser spectroscopy, and gas sensor
US6509567B2 (en) Method and apparatus for detecting gases
US4560873A (en) Situ multi-channel combustion gas analyzer
ATE348330T1 (de) Verfahren und vorrichtung zur echtzeit-bestimmung des heizwertes eines natürlichen gases auf optischem wege
DE69931610D1 (de) Flamm- und rauchdetektion
WO2007001379A3 (fr) Système cohérent de spectroscopie interférométrique thermique et procédé de détection chimique
JP2003501622A (ja) ガスセンサ機構
WO2005008295A3 (fr) Appareil de mesure optique de largeur de bande pour lumiere laser a largeur de bande tres etroite
US20120031167A1 (en) Method and device for controlling or monitoring firing systems and for monitoring buildings having gas burners
ATE284532T1 (de) Verfahren und vorrichtung zum ermitteln der gasbeschaffenheit eines erdgases
GB2330906A (en) Temperature measurement process
US20110051141A1 (en) Methods and devices for monitoring of frying oil quality
CN108061722A (zh) 一种一氧化碳浓度的检测装置及检测方法
SE8404064L (sv) Gaskorrelerad lidar
CN108885177B (zh) 在不同波长的光下吸收气体并与其反应以获得更高气体敏感度的探测膜
ITBO20070036A1 (it) Metodo e dispositivo di misura della concentrazione dei gas di scarico di una caldaia
Okajima et al. Measurement of methane gas concentration using an infrared LED
Dakin Review of fibre optic gas sensors
JPH11295217A (ja) 大気中のガス濃度測定装置
Li et al. Optical fiber remote sensing system of methane at 1645nm using wavelength-modulation technique
Jenkins et al. Diode laser absorption sensor for detecting oxygen in head space of vials
Cai et al. Gas temperature measurements using wavelength modulation spectroscopy at 1.39 µm.
JP3648776B2 (ja) 果実類の糖度測定方法
JPH0220056B2 (fr)

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application