FR2451578B1 - - Google Patents

Info

Publication number
FR2451578B1
FR2451578B1 FR7931081A FR7931081A FR2451578B1 FR 2451578 B1 FR2451578 B1 FR 2451578B1 FR 7931081 A FR7931081 A FR 7931081A FR 7931081 A FR7931081 A FR 7931081A FR 2451578 B1 FR2451578 B1 FR 2451578B1
Authority
FR
France
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
FR7931081A
Other languages
French (fr)
Other versions
FR2451578A1 (fr
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.)
ABB Training Center GmbH and Co KG
Original Assignee
Hartmann and Braun AG
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 Hartmann and Braun AG filed Critical Hartmann and Braun AG
Publication of FR2451578A1 publication Critical patent/FR2451578A1/fr
Application granted granted Critical
Publication of FR2451578B1 publication Critical patent/FR2451578B1/fr
Granted 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
    • G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
    • 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

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)
  • Spectrometry And Color Measurement (AREA)
FR7931081A 1979-03-15 1979-12-19 Analyseur de gaz, non dispersif, a rayons infrarouges Granted FR2451578A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2910188A DE2910188C2 (de) 1979-03-15 1979-03-15 Nichtdispersiver Infrarot-Gasanalysator

Publications (2)

Publication Number Publication Date
FR2451578A1 FR2451578A1 (fr) 1980-10-10
FR2451578B1 true FR2451578B1 (enExample) 1984-04-20

Family

ID=6065480

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931081A Granted FR2451578A1 (fr) 1979-03-15 1979-12-19 Analyseur de gaz, non dispersif, a rayons infrarouges

Country Status (7)

Country Link
US (1) US4306153A (enExample)
JP (1) JPS55163440A (enExample)
DE (1) DE2910188C2 (enExample)
FR (1) FR2451578A1 (enExample)
GB (1) GB2047403B (enExample)
IN (1) IN154857B (enExample)
NL (1) NL7909042A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803052A (en) * 1982-09-30 1989-02-07 The Babcock & Wilcox Company Carbon monoxide detector
RU2207546C2 (ru) * 2001-07-23 2003-06-27 Институт оптического мониторинга СО РАН Фототермоакустический газоанализатор

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844066A (en) * 1951-08-17 1958-07-22 Du Pont Method of photometric analysis
DE976713C (de) * 1953-06-19 1964-03-19 Hartmann & Braun Ag Empfangseinrichtung fuer ein Geraet zur Analyse von Stoffgemischen mittels infraroter Strahlen
US2898800A (en) * 1954-07-23 1959-08-11 Bergson Gustav Gas analyzing system of the radiant energy absorption type
FR1132413A (fr) * 1955-05-07 1957-03-11 Onera (Off Nat Aerospatiale) Perfectionnements apportés aux moyens pour analyser des mélanges de fluides par l'absorption d'un rayonnement
FR1494281A (fr) * 1966-07-27 1967-09-08 Onera (Off Nat Aerospatiale) Appareil d'analyse non dispersif fonctionnant à l'aide d'une radiation infra-rouge
US3725702A (en) * 1969-01-29 1973-04-03 Hartmann & Braun Ag Infrared gas analyzer
CH532784A (de) * 1970-04-07 1973-01-15 Bayer Ag Nichtdispersiver IR-Analysator zur Messung von Phosgen
DE2352813A1 (de) * 1973-10-20 1975-04-24 Hartmann & Braun Ag Zweistrahl-ultrarogasanalysator
US3953734A (en) * 1974-11-22 1976-04-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Nulling device for detection of trace gases by NDIR absorption
DE2639210C2 (de) * 1976-08-31 1985-09-26 Siemens AG, 1000 Berlin und 8000 München Nichtdispersiver Infrarot-Gasanalysator nach dem Zweistrahlverfahren
DE2646572A1 (de) * 1976-10-15 1978-04-20 Hartmann & Braun Ag Pneumatischer strahlungsempfaenger mit membrankondensator-differenzdruckmesser
DE7640723U1 (de) * 1976-12-27 1977-06-16 Hartmann & Braun Ag, 6000 Frankfurt Pneumatischer strahlungsdetektor
US4156812A (en) * 1978-01-06 1979-05-29 Hartman & Braun Aktiengesellschaft Pneumatic radiation detector

Also Published As

Publication number Publication date
DE2910188C2 (de) 1985-01-10
GB2047403B (en) 1983-04-20
FR2451578A1 (fr) 1980-10-10
DE2910188A1 (de) 1980-09-25
IN154857B (enExample) 1984-12-15
GB2047403A (en) 1980-11-26
US4306153A (en) 1981-12-15
JPS55163440A (en) 1980-12-19
NL7909042A (nl) 1980-09-17

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Legal Events

Date Code Title Description
ST Notification of lapse