NO20004264L - FremgangsmÕte for drift-kompensert mÕling av gass- konsentrasjon, samt fotoakustisk gass-sensor - Google Patents

FremgangsmÕte for drift-kompensert mÕling av gass- konsentrasjon, samt fotoakustisk gass-sensor

Info

Publication number
NO20004264L
NO20004264L NO20004264A NO20004264A NO20004264L NO 20004264 L NO20004264 L NO 20004264L NO 20004264 A NO20004264 A NO 20004264A NO 20004264 A NO20004264 A NO 20004264A NO 20004264 L NO20004264 L NO 20004264L
Authority
NO
Norway
Prior art keywords
procedure
well
concentration measurement
compensated
photoacoustic
Prior art date
Application number
NO20004264A
Other languages
English (en)
Other versions
NO20004264D0 (no
NO327840B1 (no
Inventor
Bjoern Erik Seeberg
Original Assignee
Presens As
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 Presens As filed Critical Presens As
Priority to NO20004264A priority Critical patent/NO327840B1/no
Publication of NO20004264D0 publication Critical patent/NO20004264D0/no
Publication of NO20004264L publication Critical patent/NO20004264L/no
Publication of NO327840B1 publication Critical patent/NO327840B1/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
    • G01N21/27—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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • 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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
NO20004264A 1998-02-26 2000-08-25 Fremgangsmate for drift-kompensert maling av gass-konsentrasjon, samt fotoakustisk gass-sensor NO327840B1 (no)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO20004264A NO327840B1 (no) 1998-02-26 2000-08-25 Fremgangsmate for drift-kompensert maling av gass-konsentrasjon, samt fotoakustisk gass-sensor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7604598P 1998-02-26 1998-02-26
PCT/NO1999/000065 WO1999044040A1 (no) 1998-02-26 1999-02-26 A method for drift compensated measurement of gas concentration, and a photoacoustical gas sensor
NO20004264A NO327840B1 (no) 1998-02-26 2000-08-25 Fremgangsmate for drift-kompensert maling av gass-konsentrasjon, samt fotoakustisk gass-sensor

Publications (3)

Publication Number Publication Date
NO20004264D0 NO20004264D0 (no) 2000-08-25
NO20004264L true NO20004264L (no) 2000-08-25
NO327840B1 NO327840B1 (no) 2009-10-05

Family

ID=22129606

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20004264A NO327840B1 (no) 1998-02-26 2000-08-25 Fremgangsmate for drift-kompensert maling av gass-konsentrasjon, samt fotoakustisk gass-sensor

Country Status (3)

Country Link
AU (1) AU3279099A (no)
NO (1) NO327840B1 (no)
WO (1) WO1999044040A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002344910A1 (en) * 2002-07-12 2004-02-02 Abb Research Ltd High-resolution absorption spectrometer and corresponding measuring method
ATE396820T1 (de) * 2002-08-01 2008-06-15 Trumpf Werkzeugmaschinen Gmbh Laserbearbeitungsmaschine
CN1950693B (zh) * 2004-03-29 2010-05-05 伽泽拉有限公司 检测一种或多种气体或气体混合物和/或测量一种或多种气体或气体混合物浓度的方法和系统
DE102004034832B4 (de) * 2004-07-19 2014-05-22 Gerhart Schroff Verfahren und Anordnung zur Gasanalyse
DE102017130988B4 (de) * 2017-12-21 2022-07-07 Infineon Technologies Ag Vorrichtungen und verfahren zur nutzung des photoakustischen effekts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0685728B1 (en) * 1994-06-04 2002-12-11 Orbisphere Laboratories Neuchatel Sa Photoacoustic analyzer
NO300346B1 (no) * 1995-04-05 1997-05-12 Sinvent As Foto-akustisk måleanordning
US5933245A (en) * 1996-12-31 1999-08-03 Honeywell Inc. Photoacoustic device and process for multi-gas sensing

Also Published As

Publication number Publication date
NO20004264D0 (no) 2000-08-25
AU3279099A (en) 1999-09-15
NO327840B1 (no) 2009-10-05
WO1999044040A1 (no) 1999-09-02

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Legal Events

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