GB2212261B - Liquid contamination meter - Google Patents

Liquid contamination meter

Info

Publication number
GB2212261B
GB2212261B GB8726085A GB8726085A GB2212261B GB 2212261 B GB2212261 B GB 2212261B GB 8726085 A GB8726085 A GB 8726085A GB 8726085 A GB8726085 A GB 8726085A GB 2212261 B GB2212261 B GB 2212261B
Authority
GB
United Kingdom
Prior art keywords
liquid contamination
contamination meter
meter
liquid
contamination
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 - Fee Related
Application number
GB8726085A
Other versions
GB8726085D0 (en
GB2212261A (en
Inventor
Peter George Hale
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB8726085A priority Critical patent/GB2212261B/en
Publication of GB8726085D0 publication Critical patent/GB8726085D0/en
Publication of GB2212261A publication Critical patent/GB2212261A/en
Application granted granted Critical
Publication of GB2212261B publication Critical patent/GB2212261B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
    • 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
    • G01N2021/3129—Determining multicomponents by multiwavelength light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/084—Fibres for remote transmission

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)
GB8726085A 1987-11-06 1987-11-06 Liquid contamination meter Expired - Fee Related GB2212261B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8726085A GB2212261B (en) 1987-11-06 1987-11-06 Liquid contamination meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8726085A GB2212261B (en) 1987-11-06 1987-11-06 Liquid contamination meter

Publications (3)

Publication Number Publication Date
GB8726085D0 GB8726085D0 (en) 1987-12-09
GB2212261A GB2212261A (en) 1989-07-19
GB2212261B true GB2212261B (en) 1991-06-26

Family

ID=10626573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8726085A Expired - Fee Related GB2212261B (en) 1987-11-06 1987-11-06 Liquid contamination meter

Country Status (1)

Country Link
GB (1) GB2212261B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2228314B (en) * 1989-02-16 1992-11-18 Hamamatsu Photonics Kk Examination apparatus
US4989942A (en) * 1989-09-27 1991-02-05 Hughes Aircraft Company Collimated light optrode
DE69227764T2 (en) * 1991-03-19 1999-07-01 Acer Consultants Ltd ORGANIC POLLUTION MONITOR
GB9105737D0 (en) * 1991-03-19 1991-05-01 Welsh Water Enterprises Ltd Organic pollutant monitor
US5350922A (en) * 1993-03-22 1994-09-27 Robert Bartz Underwater light scattering sensor
GB2282880B (en) * 1993-10-18 1997-07-23 Welsh Water Enterprises Ltd Apparatus for measuring characteristics of a liquid
NZ270877A (en) * 1995-04-06 1998-08-26 Alfa Laval Agri Ab Detecting particles in fluid using light absorption, compensation for light emitter drift
GB0216934D0 (en) * 2002-07-20 2002-08-28 Council Cent Lab Res Councils Optical apparatus
DE10360563A1 (en) * 2003-12-22 2005-07-14 BSH Bosch und Siemens Hausgeräte GmbH Fluid contamination measurement procedure records selectively filtered transmitted and scatter light in visible, UV and IR regions as function of contamination level
WO2005088270A2 (en) * 2004-03-15 2005-09-22 Evanesco Ltd Fluid monitoring apparatus and methods
US7612871B2 (en) 2004-09-01 2009-11-03 Honeywell International Inc Frequency-multiplexed detection of multiple wavelength light for flow cytometry
NO322775B1 (en) 2004-09-24 2006-12-11 Tomra Systems Asa Device and method for detecting a medium
DE102006030854A1 (en) * 2006-07-04 2008-01-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for determining oil content of cleaning fluid, involves analyzing of measuring volume of cleaning fluid with optical radiation, and intensity of optical radiation part is measured in trans-illuminating direction by measuring volume
ITAN20120140A1 (en) * 2012-10-24 2014-04-25 Tognella S P A Flli DEVICE AND PROCEDURE TO MEASURE THE CONCENTRATION OF AT LEAST ONE CONTAMINANT IN A FLUID

Also Published As

Publication number Publication date
GB8726085D0 (en) 1987-12-09
GB2212261A (en) 1989-07-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921106