FR2339166A1 - Perfectionnements apportes a la detection de la presence dans un fluide d'une substance exercant un effet sur la lumiere - Google Patents

Perfectionnements apportes a la detection de la presence dans un fluide d'une substance exercant un effet sur la lumiere

Info

Publication number
FR2339166A1
FR2339166A1 FR7701597A FR7701597A FR2339166A1 FR 2339166 A1 FR2339166 A1 FR 2339166A1 FR 7701597 A FR7701597 A FR 7701597A FR 7701597 A FR7701597 A FR 7701597A FR 2339166 A1 FR2339166 A1 FR 2339166A1
Authority
FR
France
Prior art keywords
detector
oil mist
air pollution
light guides
optical air
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.)
Granted
Application number
FR7701597A
Other languages
English (en)
Other versions
FR2339166B3 (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.)
Graviner Ltd
Original Assignee
Graviner Ltd
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 Graviner Ltd filed Critical Graviner Ltd
Publication of FR2339166A1 publication Critical patent/FR2339166A1/fr
Application granted granted Critical
Publication of FR2339166B3 publication Critical patent/FR2339166B3/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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

Landscapes

  • Physics & Mathematics (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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7701597A 1976-01-23 1977-01-20 Perfectionnements apportes a la detection de la presence dans un fluide d'une substance exercant un effet sur la lumiere Granted FR2339166A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB259676 1976-01-23

Publications (2)

Publication Number Publication Date
FR2339166A1 true FR2339166A1 (fr) 1977-08-19
FR2339166B3 FR2339166B3 (fr) 1979-09-21

Family

ID=9742357

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701597A Granted FR2339166A1 (fr) 1976-01-23 1977-01-20 Perfectionnements apportes a la detection de la presence dans un fluide d'une substance exercant un effet sur la lumiere

Country Status (9)

Country Link
JP (1) JPS5292772A (fr)
DE (1) DE2701901A1 (fr)
DK (1) DK25577A (fr)
FI (1) FI770205A (fr)
FR (1) FR2339166A1 (fr)
IT (1) IT1072375B (fr)
NL (1) NL7700510A (fr)
NO (1) NO770194L (fr)
SE (1) SE7700348L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569864A1 (fr) * 1984-09-04 1986-03-07 Commissariat Energie Atomique Equipement d'emission et de distribution de lumiere par fibres optiques, notamment pour le controle spectrophotometrique en ligne a l'aide d'un spectrophotometre double faisceau

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393295A1 (fr) * 1977-05-31 1978-12-29 Snecma Appareil de mesure du pouvoir transmissif de l'atmosphere
DE4315152A1 (de) * 1993-05-07 1994-11-10 Bosch Gmbh Robert Vorrichtung zur Untersuchung eines Gases
DE4433305A1 (de) * 1994-09-28 1996-04-04 O K Tec Optik Keramik Technolo Faseroptische Sonde
JP2007155494A (ja) * 2005-12-05 2007-06-21 Kurabo Ind Ltd ツインフローセルとそれを用いる濃度測定システム
EP2169385A1 (fr) 2008-09-24 2010-03-31 Siemens Aktiengesellschaft Tête de mesure optique pour système de surveillance de tuyau de gaz

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569864A1 (fr) * 1984-09-04 1986-03-07 Commissariat Energie Atomique Equipement d'emission et de distribution de lumiere par fibres optiques, notamment pour le controle spectrophotometrique en ligne a l'aide d'un spectrophotometre double faisceau
EP0177387A2 (fr) * 1984-09-04 1986-04-09 Commissariat A L'energie Atomique Equipement d'émission et de distribution de lumière par fibres optiques, notamment pour le contrôle spectrophotométrique en ligne à l'aide d'un spectrophotomètre double faisceau
EP0177387A3 (en) * 1984-09-04 1987-04-08 Commissariat A L'energie Atomique Etablissement De Caractere Scientifique Technique Et Industriel Arrangement for the emission and distribution of light by optical fibres, especially for spectrophotometric flow monitoring with the aid of a dual beam spectrophotometer
US4820045A (en) * 1984-09-04 1989-04-11 Commissariat A L'energie Atomique Equipment for the emission and distribution of light by optical fibers, particularly for in-line spectrophotometric control with the aid of a double beam spectrophotometer

Also Published As

Publication number Publication date
DE2701901A1 (de) 1977-07-28
IT1072375B (it) 1985-04-10
NO770194L (no) 1977-07-26
SE7700348L (sv) 1977-07-24
NL7700510A (nl) 1977-07-26
FR2339166B3 (fr) 1979-09-21
JPS5292772A (en) 1977-08-04
DK25577A (da) 1977-07-24
FI770205A (fr) 1977-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse