IT1026129B - IMPROVEMENT IN FLUID ANALYZERS - Google Patents

IMPROVEMENT IN FLUID ANALYZERS

Info

Publication number
IT1026129B
IT1026129B IT54716/74A IT5471674A IT1026129B IT 1026129 B IT1026129 B IT 1026129B IT 54716/74 A IT54716/74 A IT 54716/74A IT 5471674 A IT5471674 A IT 5471674A IT 1026129 B IT1026129 B IT 1026129B
Authority
IT
Italy
Prior art keywords
improvement
fluid analyzers
analyzers
fluid
Prior art date
Application number
IT54716/74A
Other languages
Italian (it)
Original Assignee
Babcock & Wilcox Co
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 Babcock & Wilcox Co filed Critical Babcock & Wilcox Co
Application granted granted Critical
Publication of IT1026129B publication Critical patent/IT1026129B/en

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
    • 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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT54716/74A 1973-12-21 1974-12-20 IMPROVEMENT IN FLUID ANALYZERS IT1026129B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US427108A US3872315A (en) 1973-12-21 1973-12-21 Radiation sensitive fluid analyzer

Publications (1)

Publication Number Publication Date
IT1026129B true IT1026129B (en) 1978-09-20

Family

ID=23693520

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54716/74A IT1026129B (en) 1973-12-21 1974-12-20 IMPROVEMENT IN FLUID ANALYZERS

Country Status (8)

Country Link
US (1) US3872315A (en)
JP (1) JPS5847657B2 (en)
CA (1) CA1017165A (en)
DE (1) DE2460434A1 (en)
ES (1) ES433194A1 (en)
FR (1) FR2255594B1 (en)
GB (1) GB1485428A (en)
IT (1) IT1026129B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH561942A5 (en) * 1974-03-08 1975-05-15 Cerberus Ag
GB1556029A (en) * 1976-10-29 1979-11-14 Standard Telephones Cables Ltd Oil in water detection
JPS5631625A (en) * 1979-08-24 1981-03-31 Hochiki Corp Smoke detector of photoelectronic type
GB2097529B (en) * 1981-04-28 1984-09-19 Itt Ind Ltd Detecting oil in water
US4560874A (en) * 1981-06-02 1985-12-24 Santa Barbara Research Center Reference channel for sensing optical contamination
EP0132370B1 (en) * 1983-07-22 1989-03-29 Oki Electric Industry Company, Limited Apparatus for measuring optical transmission factor
US4647777A (en) * 1985-05-31 1987-03-03 Ametrek, Inc. Selective gas detector
FI75669C (en) * 1986-02-04 1988-07-11 Vaisala Oy Method for measuring transmission of light and apparatus for applying the method.
JPH0765963B2 (en) * 1986-04-07 1995-07-19 ホーチキ株式会社 Dimming smoke detector
US4759631A (en) * 1986-09-29 1988-07-26 Circuits And Systems, Inc. System for transmission loss comparison
US4814628A (en) * 1987-03-20 1989-03-21 Precitronic Gesellschaft Fuer Feinmechanik Und Electronic Mbh Arrangement for the transmission of laser light with reference source for backscatter obstruction detection
GB8711309D0 (en) * 1987-05-13 1987-06-17 Combustion Dev Ltd Monitoring equipment
DE69012837T2 (en) * 1989-07-10 1995-02-23 Fladda Gerdt H MEASURING DEVICE.
DE69202539T2 (en) * 1991-09-20 1995-11-02 Nec Corp System for calibrating an optical instrument in a satellite using a reference light source.
SE508805C2 (en) * 1991-12-04 1998-11-09 Opsis Ab Optical analysis equipment - analyses gas-form substances flowing through channel and incorporates light transmitter on channel side and light receiver on other channel side
US6117682A (en) * 1993-04-27 2000-09-12 Dexsil Corporation Method for detecting hydrocarbons in water
JPH06308025A (en) * 1993-04-27 1994-11-04 Oki Electric Ind Co Ltd Method for calibrating light transmissivity measuring apparatus
EP0745838B1 (en) * 1995-05-31 2003-02-05 Vaisala Impulsphysik GmbH Visual range measuring device
WO1997029358A1 (en) * 1996-02-12 1997-08-14 Shell Internationale Research Maatschappij B.V. Self-correcting spectroscopic process analysis
GB2384555B (en) * 2001-01-16 2005-05-04 Teraview Ltd Apparatus and method for investigating a sample
US7075445B2 (en) * 2002-08-23 2006-07-11 Ge Security, Inc. Rapidly responding, false detection immune alarm signal producing smoke detector
US7564365B2 (en) * 2002-08-23 2009-07-21 Ge Security, Inc. Smoke detector and method of detecting smoke
JP6091500B2 (en) 2011-06-07 2017-03-08 メジャメント スペシャリティーズ， インコーポレイテッド Photodetection device for fluid detection and method therefor
US11176807B2 (en) * 2019-11-22 2021-11-16 Honeywell International Inc. Unmanned system (US) for smoke detector testing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617756A (en) * 1968-03-26 1971-11-02 Erwin Sick Optical measuring apparatus using measuring and comparison light beams
GB1309551A (en) * 1969-05-22 1973-03-14 Nat Res Dev Measurement of optical density
US3659946A (en) * 1969-12-10 1972-05-02 Shimadzu Corp Automated light scattering photometer
US3677652A (en) * 1971-06-15 1972-07-18 Gte Sylvania Inc Fluid analyzer apparatus
GB1387424A (en) * 1971-06-29 1975-03-19 Plessey Co Ltd Measuring instruments

Also Published As

Publication number Publication date
AU7663274A (en) 1976-06-24
GB1485428A (en) 1977-09-14
US3872315A (en) 1975-03-18
JPS5098886A (en) 1975-08-06
DE2460434A1 (en) 1975-08-14
FR2255594B1 (en) 1978-09-29
CA1017165A (en) 1977-09-13
FR2255594A1 (en) 1975-07-18
JPS5847657B2 (en) 1983-10-24
ES433194A1 (en) 1976-12-01

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