FR2279094A1 - Procede et dispositif pour deceler un constituant d'un milieu gazeux - Google Patents

Procede et dispositif pour deceler un constituant d'un milieu gazeux

Info

Publication number
FR2279094A1
FR2279094A1 FR7521520A FR7521520A FR2279094A1 FR 2279094 A1 FR2279094 A1 FR 2279094A1 FR 7521520 A FR7521520 A FR 7521520A FR 7521520 A FR7521520 A FR 7521520A FR 2279094 A1 FR2279094 A1 FR 2279094A1
Authority
FR
France
Prior art keywords
frequency
carbon monoxide
monitoring equipment
particular component
absorption frequency
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Withdrawn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
FR7521520A
Other languages
English (en)
French (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.)
Cerberus AG
Original Assignee
Cerberus 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 Cerberus AG filed Critical Cerberus AG
Publication of FR2279094A1 publication Critical patent/FR2279094A1/fr
Withdrawn legal-status Critical Current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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7521520A 1974-07-16 1975-07-09 Procede et dispositif pour deceler un constituant d'un milieu gazeux Withdrawn FR2279094A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH978474A CH569972A5 (US07122603-20061017-C00294.png) 1974-07-16 1974-07-16

Publications (1)

Publication Number Publication Date
FR2279094A1 true FR2279094A1 (fr) 1976-02-13

Family

ID=4355603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521520A Withdrawn FR2279094A1 (fr) 1974-07-16 1975-07-09 Procede et dispositif pour deceler un constituant d'un milieu gazeux

Country Status (4)

Country Link
JP (1) JPS5135389A (US07122603-20061017-C00294.png)
CH (1) CH569972A5 (US07122603-20061017-C00294.png)
DE (1) DE2525378A1 (US07122603-20061017-C00294.png)
FR (1) FR2279094A1 (US07122603-20061017-C00294.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094374A1 (de) * 1982-05-06 1983-11-16 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Verfahren zur kontinuierlichen Messung der Masse von Aerosolteilchen in gasförmigen Proben sowie Vorrichtung zur Durchführung des Verfahrens
EP0310740A2 (de) * 1987-10-03 1989-04-12 Rosemount GmbH & Co. Vorrichtung zum Messen des Fremdstoffanteils in strömenden Flüssigkeiten

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633931A1 (de) * 1986-10-04 1988-04-07 Kernforschungsz Karlsruhe Verfahren und einrichtung zur kontinuierlichen messung der konzentration eines gasbestandteiles
DE3741026A1 (de) * 1987-12-03 1989-06-15 Muetek Laser Und Opto Elektron Verfahren und system zur (spuren-) gasanalyse
DE3819531A1 (de) * 1988-06-08 1989-12-14 Reiner Dipl Phys Szepan Signalprozess- und betriebstechnik zur laserspektroskopischen mengenbestimmung von ammoniak in gasgemischen
DE19809896A1 (de) * 1998-03-07 1999-09-09 Bosch Gmbh Robert Brandmelder
DE10020615C2 (de) * 2000-04-27 2002-02-28 Glukomeditech Ag Verfahren zur langzeitstabilen und gut reproduzierbaren spektrometrischen Messung der Konzentrationen der Bestandteile wässriger Lösungen sowie Vorrichtung zur Durchführung dieses Verfahrens
DE102004050045B3 (de) * 2004-10-14 2006-04-13 Robert Bosch Gmbh Verfahren zur Signalauswertung bei einem Kohlendioxidsensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094374A1 (de) * 1982-05-06 1983-11-16 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Verfahren zur kontinuierlichen Messung der Masse von Aerosolteilchen in gasförmigen Proben sowie Vorrichtung zur Durchführung des Verfahrens
DE3316170A1 (de) * 1982-05-06 1983-11-17 Forschungsvereinigung Verbrennungskraftmaschinen E.V., 6000 Frankfurt Verfahren und vorrichtung zur kontinuierlichen messung der masse von aerosolteilchen in gasfoermigen proben
EP0310740A2 (de) * 1987-10-03 1989-04-12 Rosemount GmbH & Co. Vorrichtung zum Messen des Fremdstoffanteils in strömenden Flüssigkeiten
EP0310740A3 (de) * 1987-10-03 1989-10-11 Rosemount GmbH & Co. Vorrichtung zum Messen des Fremdstoffanteils in strömenden Flüssigkeiten

Also Published As

Publication number Publication date
JPS5135389A (en) 1976-03-25
DE2525378A1 (de) 1976-01-29
CH569972A5 (US07122603-20061017-C00294.png) 1975-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse