GB1485428A - Fluid analysers - Google Patents

Fluid analysers

Info

Publication number
GB1485428A
GB1485428A GB54369/74A GB5436974A GB1485428A GB 1485428 A GB1485428 A GB 1485428A GB 54369/74 A GB54369/74 A GB 54369/74A GB 5436974 A GB5436974 A GB 5436974A GB 1485428 A GB1485428 A GB 1485428A
Authority
GB
United Kingdom
Prior art keywords
window
splitter
photo
detector
radiation
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
GB54369/74A
Other languages
English (en)
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and 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 and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of GB1485428A publication Critical patent/GB1485428A/en
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
    • G01N21/47—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)
GB54369/74A 1973-12-21 1974-12-17 Fluid analysers Expired GB1485428A (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
GB1485428A true GB1485428A (en) 1977-09-14

Family

ID=23693520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54369/74A Expired GB1485428A (en) 1973-12-21 1974-12-17 Fluid analysers

Country Status (8)

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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH561942A5 (enrdf_load_stackoverflow) * 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
DE3477514D1 (en) * 1983-07-22 1989-05-03 Oki Electric Ind Co Ltd Apparatus for measuring optical transmission factor
US4647777A (en) * 1985-05-31 1987-03-03 Ametrek, Inc. Selective gas detector
FI75669C (fi) * 1986-02-04 1988-07-11 Vaisala Oy Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.
JPH0765963B2 (ja) * 1986-04-07 1995-07-19 ホーチキ株式会社 減光式煙感知器
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
US5245200A (en) * 1989-07-10 1993-09-14 Fladda Gerdt H Apparatus and method for preventing blockage of a measuring head for effecting measurements of suspended substances
DE69202539T2 (de) * 1991-09-20 1995-11-02 Nippon Electric Co System zum Kalibrieren eines optischen Instruments in einem Satellit mittels einer Referenz-Lichtquelle.
SE508805C2 (sv) * 1991-12-04 1998-11-09 Opsis Ab Optisk analysutrustning för gasformiga ämnen som strömmar i en kanal
JPH06308025A (ja) * 1993-04-27 1994-11-04 Oki Electric Ind Co Ltd 光透過率測定装置の較正方法
US6117682A (en) * 1993-04-27 2000-09-12 Dexsil Corporation Method for detecting hydrocarbons in water
DE59510550D1 (de) * 1995-05-31 2003-03-13 Vaisala Impulsphysik Gmbh Sichtweitenmessgerät
WO1997029358A1 (en) * 1996-02-12 1997-08-14 Shell Internationale Research Maatschappij B.V. Self-correcting spectroscopic process analysis
GB2396695B (en) * 2001-01-16 2005-05-04 Teraview Ltd Apparatus and method for investigating a sample
US7564365B2 (en) * 2002-08-23 2009-07-21 Ge Security, Inc. Smoke detector and method of detecting smoke
DE60325254D1 (de) * 2002-08-23 2009-01-22 Gen Electric Mmuner alarmsignalerzeugungs-rauchdetektor
JP6091500B2 (ja) 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 流体検出のための光検出装置、およびそのための方法
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
US3872315A (en) 1975-03-18
ES433194A1 (es) 1976-12-01
JPS5098886A (enrdf_load_stackoverflow) 1975-08-06
FR2255594B1 (enrdf_load_stackoverflow) 1978-09-29
DE2460434A1 (de) 1975-08-14
CA1017165A (en) 1977-09-13
JPS5847657B2 (ja) 1983-10-24
IT1026129B (it) 1978-09-20
FR2255594A1 (enrdf_load_stackoverflow) 1975-07-18
AU7663274A (en) 1976-06-24

Similar Documents

Publication Publication Date Title
GB1485428A (en) Fluid analysers
US3796887A (en) Photometric analyzer
US3869613A (en) Infrared gas analyzers
JPS6214769B2 (enrdf_load_stackoverflow)
US2878388A (en) Gas analyzing system
US1816047A (en) Photometer
US3725702A (en) Infrared gas analyzer
GB1493967A (en) Method of and apparatus for measuring the width of an elongated element
DE58908485D1 (de) Kalibriereinrichtung für ein nichtdispersives Infrarot-Fotometer.
GB1168815A (en) Apparatus for Measuring Absorbance Differences
US5087817A (en) Infrared ray moisture meter
GB1392880A (en) Sample cell assembly and apparatus including same
GB961379A (en) Haze meter
US4057734A (en) Spectroscopic apparatus with balanced dual detectors
US3756726A (en) Spectral analysis utilizing a beam-switching optical system
GB1301252A (enrdf_load_stackoverflow)
US4468124A (en) Double beam photometer for measuring fluid samples
GB2287785A (en) Optical transmissometer for open path gas monitoring
US3416865A (en) Optical density measuring system
GB1271172A (en) An arrangement for measuring the refractive index of liquids
US3161769A (en) Ultraviolet spectrometer with means to change the length of the optical path in the fluent material
EP0071645B1 (en) Double beam photometer for measuring fluid samples
JPS6010132A (ja) 光学測定器
JPS57111435A (en) Measuring device for absorption intensity of infrared ray by atr method
RU2012868C1 (ru) Однолучевой многоканальный анализатор

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee