FR2582097B1 - Analyseur de gaz par infra-rouge a capteur " etat solide " et demodulation synchrone - Google Patents

Analyseur de gaz par infra-rouge a capteur " etat solide " et demodulation synchrone

Info

Publication number
FR2582097B1
FR2582097B1 FR8507523A FR8507523A FR2582097B1 FR 2582097 B1 FR2582097 B1 FR 2582097B1 FR 8507523 A FR8507523 A FR 8507523A FR 8507523 A FR8507523 A FR 8507523A FR 2582097 B1 FR2582097 B1 FR 2582097B1
Authority
FR
France
Prior art keywords
sensor
solid state
gas analyzer
infrared gas
synchronous demodulation
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
Application number
FR8507523A
Other languages
English (en)
Other versions
FR2582097A1 (fr
Inventor
Henri Miraglia
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.)
ICAR SA
Original Assignee
ICAR SA
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 ICAR SA filed Critical ICAR SA
Priority to FR8507523A priority Critical patent/FR2582097B1/fr
Publication of FR2582097A1 publication Critical patent/FR2582097A1/fr
Application granted granted Critical
Publication of FR2582097B1 publication Critical patent/FR2582097B1/fr
Expired 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
    • G01N21/31—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
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR8507523A 1985-05-15 1985-05-15 Analyseur de gaz par infra-rouge a capteur " etat solide " et demodulation synchrone Expired FR2582097B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8507523A FR2582097B1 (fr) 1985-05-15 1985-05-15 Analyseur de gaz par infra-rouge a capteur " etat solide " et demodulation synchrone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8507523A FR2582097B1 (fr) 1985-05-15 1985-05-15 Analyseur de gaz par infra-rouge a capteur " etat solide " et demodulation synchrone

Publications (2)

Publication Number Publication Date
FR2582097A1 FR2582097A1 (fr) 1986-11-21
FR2582097B1 true FR2582097B1 (fr) 1989-02-10

Family

ID=9319388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8507523A Expired FR2582097B1 (fr) 1985-05-15 1985-05-15 Analyseur de gaz par infra-rouge a capteur " etat solide " et demodulation synchrone

Country Status (1)

Country Link
FR (1) FR2582097B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5468961A (en) * 1991-10-08 1995-11-21 Fisher & Paykel Limited Infrared gas analyser and humidity sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB896736A (en) * 1957-09-10 1962-05-16 Atomic Energy Authority Uk Improvements in or relating to absorptiometers
US3790797A (en) * 1971-09-07 1974-02-05 S Sternberg Method and system for the infrared analysis of gases
SE398360B (sv) * 1975-10-28 1977-12-19 Avtex Fibers Inc Rayonfiber bestaende av en grundmassa av cellulosa med deri dispergerad polyvinylpyrrolidon
JPS5453579A (en) * 1977-10-05 1979-04-26 Fujitsu Ltd Infrared ray multicomponent gas analysis apparatus
DE3137658C2 (de) * 1981-09-22 1985-06-05 H. Maihak Ag, 2000 Hamburg Vorrichtung zur Messung der Konzentration eines IR-, NIR-, VIS- oder UV-Strahlung absorbierenden Gases in einer Gasmatrix

Also Published As

Publication number Publication date
FR2582097A1 (fr) 1986-11-21

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Legal Events

Date Code Title Description
ST Notification of lapse