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EP2715291A4 - Réétalonnage de capteurs de gaz non dispersif à absorption dans l'infrarouge (ndir) sollicités par absorption - Google Patents

Réétalonnage de capteurs de gaz non dispersif à absorption dans l'infrarouge (ndir) sollicités par absorption

Info

Publication number
EP2715291A4
EP2715291A4 EP12794011.2A EP12794011A EP2715291A4 EP 2715291 A4 EP2715291 A4 EP 2715291A4 EP 12794011 A EP12794011 A EP 12794011A EP 2715291 A4 EP2715291 A4 EP 2715291A4
Authority
EP
European Patent Office
Prior art keywords
calibration
gas sensors
ndir gas
ndir
sensors
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.)
Withdrawn
Application number
EP12794011.2A
Other languages
German (de)
English (en)
Other versions
EP2715291A2 (fr
Inventor
Jacob Y Wong
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.)
Airware Inc
Original Assignee
Airware Inc
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
Priority claimed from US13/149,738 external-priority patent/US8178832B1/en
Priority claimed from US13/348,568 external-priority patent/US8222606B1/en
Priority claimed from US13/420,323 external-priority patent/US8217355B1/en
Application filed by Airware Inc filed Critical Airware Inc
Publication of EP2715291A2 publication Critical patent/EP2715291A2/fr
Publication of EP2715291A4 publication Critical patent/EP2715291A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • 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
    • G01N21/59—Transmissivity
    • G01N21/61—Non-dispersive gas analysers
    • 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
    • G01N2201/06—Illumination; Optics
    • G01N2201/066—Modifiable path; multiple paths in one sample
    • G01N2201/0662—Comparing measurements on two or more paths in one sample
    • 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
    • G01N2201/127—Calibration; base line adjustment; drift compensation
    • G01N2201/12746—Calibration values determination

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP12794011.2A 2011-05-31 2012-05-25 Réétalonnage de capteurs de gaz non dispersif à absorption dans l'infrarouge (ndir) sollicités par absorption Withdrawn EP2715291A4 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13/149,738 US8178832B1 (en) 2011-05-31 2011-05-31 Re-calibration methodology for NDIR gas sensors
US13/348,568 US8222606B1 (en) 2011-05-31 2012-01-11 Air sampler for recalibration of absorption biased designed NDIR gas sensors
US13/420,323 US8217355B1 (en) 2011-05-31 2012-03-14 Self-commissioning NDIR gas sensors
PCT/US2012/039539 WO2012166585A2 (fr) 2011-05-31 2012-05-25 Réétalonnage de capteurs de gaz non dispersif à absorption dans l'infrarouge (ndir) sollicités par absorption

Publications (2)

Publication Number Publication Date
EP2715291A2 EP2715291A2 (fr) 2014-04-09
EP2715291A4 true EP2715291A4 (fr) 2015-10-21

Family

ID=47260211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12794011.2A Withdrawn EP2715291A4 (fr) 2011-05-31 2012-05-25 Réétalonnage de capteurs de gaz non dispersif à absorption dans l'infrarouge (ndir) sollicités par absorption

Country Status (4)

Country Link
EP (1) EP2715291A4 (fr)
AU (1) AU2012262488A1 (fr)
CA (1) CA2837588A1 (fr)
WO (1) WO2012166585A2 (fr)

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DE102015106632A1 (de) * 2015-04-29 2016-11-03 Smartgas Mikrosensorik Gmbh Sensor zur Detektion der Konzentration wenigstens eines Mediums sowie Verfahren zum Betreiben eines solchen Sensors
IT201900006920A1 (it) * 2019-05-16 2020-11-16 Ft System Srl Metodo ed apparato per il riconoscimento della presenza di fughe da contenitori sigillati
SE544392C2 (en) 2020-09-01 2022-05-10 Senseair Ab Method for determining a gas concentration from a group of sensors
SE544494C2 (en) 2020-10-21 2022-06-21 Senseair Ab Temperature controller for a temperature control mechanism
SE544539C2 (en) * 2020-11-18 2022-07-05 Senseair Ab Method and device for determining a concentration of a component in a fluid
JP2024524430A (ja) * 2021-07-01 2024-07-05 ベーリンガー インゲルハイム フェトメディカ ゲーエムベーハー 光学系を較正する方法
CN114034824B (zh) * 2021-12-21 2024-09-17 山东瑶安电子科技发展有限公司 一种气体自动标定系统
CN116242790A (zh) * 2022-11-14 2023-06-09 北京航空航天大学 基于非分光红外原理的长短双光路测量系统及方法
CN117470795B (zh) * 2023-12-27 2024-03-29 成都千嘉科技股份有限公司 非分光型红外气体传感器及其气体测试方法

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CH664222A5 (de) * 1984-11-30 1988-02-15 Sprecher Energie Ag Verfahren und vorrichtung zum ueberwachen der dichte eines gasfoermigen mediums in einem geschlossenen raum.
EP0733897A2 (fr) * 1995-03-22 1996-09-25 Vaisala Oy Procédé pour le calibrage d'un appareillage ou moyen NDIR et installation de calibrage
US6360582B1 (en) * 2000-01-18 2002-03-26 Texas Instruments Incorporated Method for calibration of chemical sensor in measuring changes in chemical concentration
US7705313B1 (en) * 2005-10-18 2010-04-27 Ric Investments, Llc Ambient gas compensation in an optical system
WO2011022558A1 (fr) * 2009-08-21 2011-02-24 Airware, Inc. Détecteurs de gaz non dispersifs infrarouges (détecteurs ndir) à polarisation d'absorption

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CH664222A5 (de) * 1984-11-30 1988-02-15 Sprecher Energie Ag Verfahren und vorrichtung zum ueberwachen der dichte eines gasfoermigen mediums in einem geschlossenen raum.
EP0733897A2 (fr) * 1995-03-22 1996-09-25 Vaisala Oy Procédé pour le calibrage d'un appareillage ou moyen NDIR et installation de calibrage
US6360582B1 (en) * 2000-01-18 2002-03-26 Texas Instruments Incorporated Method for calibration of chemical sensor in measuring changes in chemical concentration
US7705313B1 (en) * 2005-10-18 2010-04-27 Ric Investments, Llc Ambient gas compensation in an optical system
WO2011022558A1 (fr) * 2009-08-21 2011-02-24 Airware, Inc. Détecteurs de gaz non dispersifs infrarouges (détecteurs ndir) à polarisation d'absorption
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Title
See also references of WO2012166585A2 *

Also Published As

Publication number Publication date
AU2012262488A1 (en) 2014-01-16
CA2837588A1 (fr) 2012-12-06
WO2012166585A3 (fr) 2014-05-08
EP2715291A2 (fr) 2014-04-09
WO2012166585A2 (fr) 2012-12-06

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