CA2837588A1 - Reetalonnage de capteurs de gaz non dispersif a absorption dans l'infrarouge (ndir) sollicites par absorption - Google Patents

Reetalonnage de capteurs de gaz non dispersif a absorption dans l'infrarouge (ndir) sollicites par absorption Download PDF

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Publication number
CA2837588A1
CA2837588A1 CA2837588A CA2837588A CA2837588A1 CA 2837588 A1 CA2837588 A1 CA 2837588A1 CA 2837588 A CA2837588 A CA 2837588A CA 2837588 A CA2837588 A CA 2837588A CA 2837588 A1 CA2837588 A1 CA 2837588A1
Authority
CA
Canada
Prior art keywords
gas
ndir
sensor
gas sensor
ratio
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
CA2837588A
Other languages
English (en)
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 CA2837588A1 publication Critical patent/CA2837588A1/fr
Abandoned 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)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA2837588A 2011-05-31 2012-05-25 Reetalonnage de capteurs de gaz non dispersif a absorption dans l'infrarouge (ndir) sollicites par absorption Abandoned CA2837588A1 (fr)

Applications Claiming Priority (7)

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
US13/149,738 2011-05-31
US13/348,568 2012-01-11
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 2012-03-14
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 (1)

Publication Number Publication Date
CA2837588A1 true CA2837588A1 (fr) 2012-12-06

Family

ID=47260211

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2837588A Abandoned CA2837588A1 (fr) 2011-05-31 2012-05-25 Reetalonnage de capteurs de gaz non dispersif a absorption dans l'infrarouge (ndir) sollicites 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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IT201900006920A1 (it) * 2019-05-16 2020-11-16 Ft System Srl Metodo ed apparato per il riconoscimento della presenza di fughe da contenitori sigillati
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
WO2023274881A1 (fr) * 2021-07-01 2023-01-05 Boehringer Ingelheim Vetmedica Gmbh Procédé d'étalonnage d'un système optique
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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Also Published As

Publication number Publication date
WO2012166585A2 (fr) 2012-12-06
EP2715291A2 (fr) 2014-04-09
AU2012262488A1 (en) 2014-01-16
WO2012166585A3 (fr) 2014-05-08
EP2715291A4 (fr) 2015-10-21

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Effective date: 20160525