DE69012837T2 - Messgerät. - Google Patents

Messgerät.

Info

Publication number
DE69012837T2
DE69012837T2 DE69012837T DE69012837T DE69012837T2 DE 69012837 T2 DE69012837 T2 DE 69012837T2 DE 69012837 T DE69012837 T DE 69012837T DE 69012837 T DE69012837 T DE 69012837T DE 69012837 T2 DE69012837 T2 DE 69012837T2
Authority
DE
Germany
Prior art keywords
measuring device
measuring
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 - Lifetime
Application number
DE69012837T
Other languages
English (en)
Other versions
DE69012837D1 (de
Inventor
Gerdt Heinrich Fladda
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.)
Individual
Original Assignee
Individual
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
Priority claimed from SE8902485A external-priority patent/SE500529C2/sv
Priority claimed from SE8902486A external-priority patent/SE464836B/sv
Application filed by Individual filed Critical Individual
Publication of DE69012837D1 publication Critical patent/DE69012837D1/de
Application granted granted Critical
Publication of DE69012837T2 publication Critical patent/DE69012837T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
    • G01N2015/0057—Investigating dispersion of solids in liquids, e.g. trouble of filaments in liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N2015/0092—Monitoring flocculation or agglomeration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
    • G01N15/0211—Investigating a scatter or diffraction pattern
    • G01N2015/0216—Investigating a scatter or diffraction pattern from fluctuations of diffraction pattern
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G01N2021/152—Scraping; Brushing; Moving band
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00—Radiant energy
    • Y10S250/90—Optical liquid level sensors
    • Y10S250/901—Optical liquid level sensors with gap between light guide elements, includes open light path preset
DE69012837T 1989-07-10 1990-04-02 Messgerät. Expired - Lifetime DE69012837T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE8902485A SE500529C2 (sv) 1989-07-10 1989-07-10 Arrangemang för att förhindra igensättning av ett mäthuvud.
SE8902486A SE464836B (sv) 1989-07-10 1989-07-10 Saett och arrangemang foer att registrera tillstaandet hos en suspension i roerelse
PCT/SE1990/000212 WO1991000993A1 (en) 1989-07-10 1990-04-02 Measuring apparatus and method

Publications (2)

Publication Number Publication Date
DE69012837D1 DE69012837D1 (de) 1994-10-27
DE69012837T2 true DE69012837T2 (de) 1995-02-23

Family

ID=26660562

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69012837T Expired - Lifetime DE69012837T2 (de) 1989-07-10 1990-04-02 Messgerät.
DE69033872T Expired - Lifetime DE69033872T2 (de) 1989-07-10 1990-04-02 Messgerät und Verfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69033872T Expired - Lifetime DE69033872T2 (de) 1989-07-10 1990-04-02 Messgerät und Verfahren

Country Status (7)

Country Link
US (1) US5245200A (de)
EP (2) EP0534951B1 (de)
JP (2) JP2823136B2 (de)
CA (1) CA2062757C (de)
DE (2) DE69012837T2 (de)
FI (1) FI104217B (de)
WO (1) WO1991000993A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69032968T2 (de) * 1989-04-25 1999-10-21 Tatsuta Densen Kk Optischer flüssigkeitssensor, sein herstellungsverfahren und kraftfahrzeugöl- und -batterieprüfer
SE9101259D0 (sv) * 1991-04-25 1991-04-25 Fladda Mcs Ab Metod foer att kompensera foer ljusintensitetsfoeraendringar i ett optiskt maetgap vid bestaemning av halten suspenderat material
US5377005A (en) * 1993-09-01 1994-12-27 Atlantic Richfield Company Method for measuring particle size of a dispersed phase in a fluid stream
US5828458A (en) * 1995-01-26 1998-10-27 Nartron Corporation Turbidity sensor
US5932887A (en) * 1996-10-24 1999-08-03 Guzik Technical Enterprises Apparatus for measuring the flying height and orientation of a magnetic head relative to a transparent medium based on frustrated total internal reflection
US5793230A (en) * 1997-02-26 1998-08-11 Sandia Corporation Sensor readout detector circuit
WO1999020982A2 (en) * 1997-10-17 1999-04-29 Environmental Digital Services, Inc. System for measuring materials in a vessel
US6480276B1 (en) 1999-07-13 2002-11-12 Clemson University Enhanced photon-migration methods for particle sizing in concentrated suspensions
DE10001701B4 (de) * 2000-01-18 2006-03-30 Topas Gmbh Fotometer
FI121240B (fi) * 2001-03-23 2010-08-31 Metso Paper Automation Oy Sovitelma paperikoneen yhteydessä ja puhalluslaatikko
US6779383B2 (en) * 2002-03-15 2004-08-24 Ysi Incorporated Wiper and brush device for cleaning water quality sensors
US6794671B2 (en) * 2002-07-17 2004-09-21 Particle Sizing Systems, Inc. Sensors and methods for high-sensitivity optical particle counting and sizing
FR2870598B1 (fr) 2004-05-18 2006-07-14 Total France Sa Sonde de mesure de la lumiere dans un liquide, sonde de detection du seuil de floculation d'un milieu colloidal, procede de detection associe et application a la determination de la floculation des asphaltenes
US20060191571A1 (en) * 2005-02-11 2006-08-31 Kattler David R Fluid concentration sensing arrangement
US20060196621A1 (en) * 2005-03-01 2006-09-07 Johansson Ola M Virtual hand sheet method and system for estimating paper properties
JP4915109B2 (ja) * 2006-03-03 2012-04-11 栗田工業株式会社 製紙用薬剤の効果監視方法及び装置並びに注入量制御方法及び装置
JP4915120B2 (ja) * 2006-03-29 2012-04-11 栗田工業株式会社 製紙用薬剤の効果監視方法及び注入量制御方法
JP2007263856A (ja) * 2006-03-29 2007-10-11 Kurita Water Ind Ltd 白水回収工程の薬剤効果監視方法及び注入量制御方法
JP4833126B2 (ja) * 2007-03-26 2011-12-07 Ｎｔｎ株式会社 潤滑剤劣化検出装置および検出装置付き軸受
US8803069B2 (en) * 2008-09-19 2014-08-12 Schweitzer Engineering Laboratories, Inc. Electro-optical radiation collector for arc flash detection
JP5956169B2 (ja) * 2012-01-25 2016-07-27 ナブテスコ株式会社 潤滑油劣化センサーを備えた機械
SE537725C2 (sv) * 2013-04-02 2015-10-06 Btg Instr Ab Metod för bestämning av egenskaper hos heterogena media
JP6217674B2 (ja) * 2015-03-13 2017-10-25 横河電機株式会社 透過プローブ、光学装置および液浸透過測定方法
DE102016014633A1 (de) * 2016-12-09 2018-06-14 lKA - Werke GmbH & Co. KG Verfahren zur Bestimmung einer Partikelkonzentration, Messvorrichtung sowie Reaktor mit Messvorrichtung
US11187661B2 (en) 2017-07-05 2021-11-30 Saudi Arabian Oil Company Detecting black powder levels in flow-lines
US11837862B2 (en) 2020-10-09 2023-12-05 Schweitzer Engineering Laboratories, Inc. Arc-flash sensor using optical fiber

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5418596B2 (de) * 1971-09-07 1979-07-09
US3872315A (en) * 1973-12-21 1975-03-18 Babcock & Wilcox Co Radiation sensitive fluid analyzer
US3892485A (en) * 1974-05-06 1975-07-01 Gen Electric Monitoring apparatus for measuring particles suspended in liquid and for measuring the opacity of the liquid
US4040743A (en) * 1975-09-22 1977-08-09 Howell Laboratories, Incorporated Method and apparatus for measuring the brightness of pulp slurry
SE393864B (sv) * 1975-12-01 1977-06-20 Svenska Traeforskningsinst Forfarande for koncentrationsbestemning
JPS5361392A (en) * 1976-11-12 1978-06-01 Yamatake Honeywell Co Ltd Densitometer
SE7806922L (sv) * 1978-06-15 1979-12-16 Svenska Traeforskningsinst Forfarande och anordning for att indikera storleksfordelningen av i ett strommande medium befintliga partiklar
US4279509A (en) * 1979-12-05 1981-07-21 Syva Company Zero volume flow cell
SE453128B (sv) * 1981-10-01 1988-01-11 Svenska Traeforskningsinst Forfarande for att bestemma medelpartikelradie och/eller medelpartikellengd
DE3412620A1 (de) * 1984-04-04 1985-10-17 Basf Ag, 6700 Ludwigshafen Laseroptische anordnung zur messung des dispergiergrades in stroemenden systemen
AU590223B2 (en) * 1984-09-26 1989-11-02 Apm Limited Concentration meter
JPS61126427A (ja) * 1984-11-26 1986-06-13 Toshiba Corp 光学式検出装置
JPS6312939A (ja) * 1986-07-04 1988-01-20 Sumitomo Electric Ind Ltd 空間結合型センサ
US4893935A (en) * 1988-08-19 1990-01-16 Mandel William R Apparatus and method for optical density measurements of biomass processes
US4940902A (en) * 1988-10-24 1990-07-10 Emmanuel Mechalas Apparatus and method for continuous measurement of suspended solids in a liquid medium with wiping means

Also Published As

Publication number Publication date
FI104217B1 (fi) 1999-11-30
FI104217B (fi) 1999-11-30
EP0534951A1 (de) 1993-04-07
WO1991000993A1 (en) 1991-01-24
DE69012837D1 (de) 1994-10-27
JPH08254492A (ja) 1996-10-01
JPH04506567A (ja) 1992-11-12
CA2062757A1 (en) 1991-01-11
DE69033872D1 (de) 2002-01-17
US5245200A (en) 1993-09-14
EP0582320A2 (de) 1994-02-09
EP0582320B1 (de) 2001-12-05
JP3192364B2 (ja) 2001-07-23
EP0582320A3 (en) 1994-07-13
FI920101A0 (fi) 1992-01-09
DE69033872T2 (de) 2002-11-21
JP2823136B2 (ja) 1998-11-11
EP0534951B1 (de) 1994-09-21
CA2062757C (en) 1999-12-14

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