AU3279099A - A method for drift compensated measurement of gas concentration, and a photoacoustical gas sensor - Google Patents

A method for drift compensated measurement of gas concentration, and a photoacoustical gas sensor

Info

Publication number
AU3279099A
AU3279099A AU32790/99A AU3279099A AU3279099A AU 3279099 A AU3279099 A AU 3279099A AU 32790/99 A AU32790/99 A AU 32790/99A AU 3279099 A AU3279099 A AU 3279099A AU 3279099 A AU3279099 A AU 3279099A
Authority
AU
Australia
Prior art keywords
photoacoustical
gas
compensated measurement
drift compensated
gas sensor
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.)
Abandoned
Application number
AU32790/99A
Inventor
Martin Nese
Bjorn Erik Seeberg
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.)
Presens AS
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
Publication of AU3279099A publication Critical patent/AU3279099A/en
Abandoned 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
    • G01N21/1702—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
AU32790/99A 1998-02-26 1999-02-26 A method for drift compensated measurement of gas concentration, and a photoacoustical gas sensor Abandoned AU3279099A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7604598P 1998-02-26 1998-02-26
US60076045 1998-02-26
PCT/NO1999/000065 WO1999044040A1 (en) 1998-02-26 1999-02-26 A method for drift compensated measurement of gas concentration, and a photoacoustical gas sensor

Publications (1)

Publication Number Publication Date
AU3279099A true AU3279099A (en) 1999-09-15

Family

ID=22129606

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32790/99A Abandoned AU3279099A (en) 1998-02-26 1999-02-26 A method for drift compensated measurement of gas concentration, and a photoacoustical gas sensor

Country Status (3)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004008112A1 (en) * 2002-07-12 2004-01-22 Abb Research Ltd High-resolution absorption spectrometer and corresponding measuring method
ES2305159T3 (en) * 2002-08-01 2008-11-01 Trumpf Werkzeugmaschinen Gmbh + Co. Kg LASER MACHINING MACHINE.
CN1950693B (en) * 2004-03-29 2010-05-05 伽泽拉有限公司 Method and system for detecting one or more gases or gas mixtures and/or for measuring the concentration of one or more gases or gas mixtures
DE102004034832B4 (en) * 2004-07-19 2014-05-22 Gerhart Schroff Method and arrangement for gas analysis
DE102017130988B4 (en) * 2017-12-21 2022-07-07 Infineon Technologies Ag DEVICES AND METHODS FOR UTILIZING THE PHOTOACOUSTIC EFFECT

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69431873T2 (en) * 1994-06-04 2003-11-13 Orbisphere Lab Photoacoustic analyzer
NO300346B1 (en) * 1995-04-05 1997-05-12 Sinvent As Photo-acoustic measuring device
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
NO327840B1 (en) 2009-10-05
NO20004264L (en) 2000-08-25
WO1999044040A1 (en) 1999-09-02
NO20004264D0 (en) 2000-08-25

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase