DE3830834C2 - - Google Patents

Info

Publication number
DE3830834C2
DE3830834C2 DE3830834A DE3830834A DE3830834C2 DE 3830834 C2 DE3830834 C2 DE 3830834C2 DE 3830834 A DE3830834 A DE 3830834A DE 3830834 A DE3830834 A DE 3830834A DE 3830834 C2 DE3830834 C2 DE 3830834C2
Authority
DE
Germany
Prior art keywords
gas
extinction
signals
interfering
frequencies
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.)
Expired - Lifetime
Application number
DE3830834A
Other languages
German (de)
English (en)
Other versions
DE3830834A1 (de
Inventor
Roland Dr. 7800 Freiburg De Grisar
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to DE3830834A priority Critical patent/DE3830834A1/de
Publication of DE3830834A1 publication Critical patent/DE3830834A1/de
Application granted granted Critical
Publication of DE3830834C2 publication Critical patent/DE3830834C2/de
Granted 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • 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
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/121—Correction signals
    • G01N2201/1215—Correction signals for interfering gases

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE3830834A 1988-09-10 1988-09-10 Verfahren und einrichtung zur dispersiven, spektral voll aufgeloesten optischen gasanalyse mit unterdrueckter querempfindlichkeit Granted DE3830834A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3830834A DE3830834A1 (de) 1988-09-10 1988-09-10 Verfahren und einrichtung zur dispersiven, spektral voll aufgeloesten optischen gasanalyse mit unterdrueckter querempfindlichkeit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3830834A DE3830834A1 (de) 1988-09-10 1988-09-10 Verfahren und einrichtung zur dispersiven, spektral voll aufgeloesten optischen gasanalyse mit unterdrueckter querempfindlichkeit

Publications (2)

Publication Number Publication Date
DE3830834A1 DE3830834A1 (de) 1990-03-15
DE3830834C2 true DE3830834C2 (en, 2012) 1991-08-22

Family

ID=6362697

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3830834A Granted DE3830834A1 (de) 1988-09-10 1988-09-10 Verfahren und einrichtung zur dispersiven, spektral voll aufgeloesten optischen gasanalyse mit unterdrueckter querempfindlichkeit

Country Status (1)

Country Link
DE (1) DE3830834A1 (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10047728B4 (de) * 2000-09-27 2005-12-08 Dräger Medical AG & Co. KGaA Infrarotoptischer Gasanalysator
CN103575695B (zh) * 2012-07-20 2015-12-09 无锡凯睿传感技术有限公司 一种气体氮氧化物含量检测装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2343097A1 (de) * 1973-08-27 1975-03-13 Max Planck Gesellschaft Die fotometrische bestimmung von konzentrationsverhaeltnissen
FI52255C (fi) * 1975-10-30 1977-07-11 Innotec Oy Infrapuna-analysaattori.

Also Published As

Publication number Publication date
DE3830834A1 (de) 1990-03-15

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee