DE69033872T2 - Messgerät und Verfahren - Google Patents
Messgerät und VerfahrenInfo
- Publication number
- DE69033872T2 DE69033872T2 DE69033872T DE69033872T DE69033872T2 DE 69033872 T2 DE69033872 T2 DE 69033872T2 DE 69033872 T DE69033872 T DE 69033872T DE 69033872 T DE69033872 T DE 69033872T DE 69033872 T2 DE69033872 T2 DE 69033872T2
- 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
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
Applications Claiming Priority (2)
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69033872D1 DE69033872D1 (de) | 2002-01-17 |
DE69033872T2 true DE69033872T2 (de) | 2002-11-21 |
Family
ID=26660562
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69033872T Expired - Lifetime DE69033872T2 (de) | 1989-07-10 | 1990-04-02 | Messgerät und Verfahren |
DE69012837T Expired - Lifetime DE69012837T2 (de) | 1989-07-10 | 1990-04-02 | Messgerät. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69012837T Expired - Lifetime DE69012837T2 (de) | 1989-07-10 | 1990-04-02 | Messgerät. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5245200A (de) |
EP (2) | EP0582320B1 (de) |
JP (2) | JP2823136B2 (de) |
CA (1) | CA2062757C (de) |
DE (2) | DE69033872T2 (de) |
FI (1) | FI104217B1 (de) |
WO (1) | WO1991000993A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016014633A1 (de) * | 2016-12-09 | 2018-06-14 | lKA - Werke GmbH & Co. KG | Verfahren zur Bestimmung einer Partikelkonzentration, Messvorrichtung sowie Reaktor mit Messvorrichtung |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5196898A (en) * | 1989-03-27 | 1993-03-23 | Tatsuta Electric Wire And Cable Co., Ltd. | Optical liquid sensor, a method of manufacturing the same, and an automotive oil/battery checker employing the sensor |
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 |
MXPA04009013A (es) * | 2002-03-15 | 2004-11-26 | Ysi Inc | Dispositivo de cepillado y limpiador para limpiar sensores de la calidad el agua. |
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 |
KR20070107759A (ko) * | 2005-02-11 | 2007-11-07 | 스와겔로크 컴패니 | 유체 농도 감지 장치 |
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 |
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)
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 |
-
1990
- 1990-04-02 JP JP2506382A patent/JP2823136B2/ja not_active Expired - Lifetime
- 1990-04-02 DE DE69033872T patent/DE69033872T2/de not_active Expired - Lifetime
- 1990-04-02 WO PCT/SE1990/000212 patent/WO1991000993A1/en active IP Right Grant
- 1990-04-02 EP EP93116040A patent/EP0582320B1/de not_active Expired - Lifetime
- 1990-04-02 US US07/807,851 patent/US5245200A/en not_active Expired - Lifetime
- 1990-04-02 DE DE69012837T patent/DE69012837T2/de not_active Expired - Lifetime
- 1990-04-02 EP EP90906417A patent/EP0534951B1/de not_active Expired - Lifetime
- 1990-04-02 CA CA002062757A patent/CA2062757C/en not_active Expired - Lifetime
-
1992
- 1992-01-09 FI FI920101A patent/FI104217B1/fi active
-
1996
- 1996-01-11 JP JP00340696A patent/JP3192364B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016014633A1 (de) * | 2016-12-09 | 2018-06-14 | lKA - Werke GmbH & Co. KG | Verfahren zur Bestimmung einer Partikelkonzentration, Messvorrichtung sowie Reaktor mit Messvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE69012837T2 (de) | 1995-02-23 |
FI104217B (fi) | 1999-11-30 |
US5245200A (en) | 1993-09-14 |
EP0534951A1 (de) | 1993-04-07 |
DE69012837D1 (de) | 1994-10-27 |
DE69033872D1 (de) | 2002-01-17 |
CA2062757A1 (en) | 1991-01-11 |
EP0582320A2 (de) | 1994-02-09 |
JPH04506567A (ja) | 1992-11-12 |
EP0534951B1 (de) | 1994-09-21 |
CA2062757C (en) | 1999-12-14 |
JP2823136B2 (ja) | 1998-11-11 |
WO1991000993A1 (en) | 1991-01-24 |
FI104217B1 (fi) | 1999-11-30 |
FI920101A0 (fi) | 1992-01-09 |
JPH08254492A (ja) | 1996-10-01 |
EP0582320A3 (en) | 1994-07-13 |
EP0582320B1 (de) | 2001-12-05 |
JP3192364B2 (ja) | 2001-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication of lapse of patent is to be deleted | ||
8364 | No opposition during term of opposition |