DE69731539D1 - Leitfähigkeitsmessung mit einer einzigen elektrode - Google Patents
Leitfähigkeitsmessung mit einer einzigen elektrodeInfo
- Publication number
- DE69731539D1 DE69731539D1 DE69731539T DE69731539T DE69731539D1 DE 69731539 D1 DE69731539 D1 DE 69731539D1 DE 69731539 T DE69731539 T DE 69731539T DE 69731539 T DE69731539 T DE 69731539T DE 69731539 D1 DE69731539 D1 DE 69731539D1
- Authority
- DE
- Germany
- Prior art keywords
- fluid
- single electrode
- conductivity measurement
- sample
- line
- 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
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Bipolar Transistors (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US707965 | 1996-08-30 | ||
US08/707,965 US5933016A (en) | 1996-08-30 | 1996-08-30 | Single electrode conductivity technique |
PCT/US1997/015159 WO1998009158A1 (en) | 1996-08-30 | 1997-08-27 | Single electrode conductivity technique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69731539D1 true DE69731539D1 (de) | 2004-12-16 |
DE69731539T2 DE69731539T2 (de) | 2005-10-27 |
Family
ID=24843866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69731539T Expired - Lifetime DE69731539T2 (de) | 1996-08-30 | 1997-08-27 | Leitfähigkeitsmessung mit einer einzigen elektrode |
Country Status (6)
Country | Link |
---|---|
US (1) | US5933016A (de) |
EP (1) | EP0922216B1 (de) |
AT (1) | ATE282201T1 (de) |
AU (1) | AU4167597A (de) |
DE (1) | DE69731539T2 (de) |
WO (1) | WO1998009158A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6230822B1 (en) * | 1995-02-16 | 2001-05-15 | Baker Hughes Incorporated | Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations |
US6324899B1 (en) * | 1998-04-02 | 2001-12-04 | Reliance Electric Technologies, Llc | Bearing-sensor integration for a lubrication analysis system |
US6546785B1 (en) | 1998-04-02 | 2003-04-15 | Rockwell Automation Technologies, Inc. | System and method for dynamic lubrication adjustment for a lubrication analysis system |
JP4026324B2 (ja) * | 2001-03-16 | 2007-12-26 | いすゞ自動車株式会社 | エンジンオイル劣化判定方法および判定装置 |
US7019654B2 (en) * | 2001-03-29 | 2006-03-28 | Georgia Tech Research Corporation | Contact potential difference sensor to monitor oil properties |
US6573734B2 (en) | 2001-05-08 | 2003-06-03 | The Board Of Trustees Of The University Of Illinois | Integrated thin film liquid conductivity sensor |
US6911830B2 (en) * | 2002-08-22 | 2005-06-28 | Delphi Technologies, Inc. | Diesel engine lubricating oil contaminant sensor method |
US7043967B2 (en) * | 2002-09-30 | 2006-05-16 | University Of Dayton | Sensor device for monitoring the condition of a fluid and a method of using the same |
US6861851B2 (en) * | 2002-10-16 | 2005-03-01 | The Lubrizol Corporation | Method for on-line monitoring of quality and condition of non-aqueous fluids |
DE10330232A1 (de) * | 2003-07-04 | 2005-01-20 | Bayer Materialscience Ag | Elektrochemische Halbzelle |
US20050097952A1 (en) * | 2003-11-12 | 2005-05-12 | Steph James C. | Conductive sensor for fluid level sensing |
US20050248358A1 (en) * | 2004-05-07 | 2005-11-10 | The Lubrizol Corporation, A Corporation Of The State Of Ohio | Method for on-line monitoring of condition of non-aqueous fluids |
US7355415B2 (en) * | 2004-05-07 | 2008-04-08 | The Lubrizol Corporation | Method for on-line monitoring of condition of non-aqueous fluids |
DE102004049127B4 (de) * | 2004-10-07 | 2011-12-29 | Viessmann Werke Gmbh & Co Kg | Vorrichtung und Verfahren zur Bestimmung der Leitfähigkeit eines Kühlmediums eines Brennstoffzellensystems |
US7259575B2 (en) * | 2005-04-08 | 2007-08-21 | The Lubrizol Corporation | Method for on-line fuel-dilution monitoring of engine lubricant |
US20090112507A1 (en) * | 2007-10-29 | 2009-04-30 | Edney Daniel B | Fluid probe |
US9228965B2 (en) * | 2010-08-22 | 2016-01-05 | Henny Penny Corporation | Systems and methods for single-sensor oil quality measurement |
SG187948A1 (en) * | 2010-08-22 | 2013-04-30 | Henny Penny Corp | Electrode unit for use in a fryer and fryer comprising a said electrode unit |
CA2952739C (en) | 2014-06-30 | 2019-06-11 | Pitco Frialator, Inc. | System and method for sensing oil quality |
US9841394B2 (en) | 2015-11-16 | 2017-12-12 | Pitco Frialator, Inc. | System and method for sensing oil quality |
US10436730B2 (en) | 2015-12-21 | 2019-10-08 | Pitco Frialator, Inc. | System and method for sensing oil quality |
US10473008B2 (en) * | 2017-12-22 | 2019-11-12 | Caterpillar Inc. | Lubricant health detection system |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2027947A1 (en) * | 1970-06-06 | 1971-12-16 | Krohne Fa Ludwig | Indicator for a fluid pipe line - for inductive flow measurement - and radioactive measurement of density |
US3876935A (en) * | 1971-12-13 | 1975-04-08 | Renault | Device for determining the presence of impurities in oil contained in the crank cases of engines or other apparatus |
US4029554A (en) * | 1974-05-20 | 1977-06-14 | Naeco Associates, Inc. | Oil test method |
CA1064852A (en) * | 1975-12-31 | 1979-10-23 | Cominco Ltd. | Method for evaluating a system for electrodeposition of metals |
JPS55158554A (en) * | 1979-05-28 | 1980-12-10 | Nissan Eng Kk | Apparatus for measuring concentration of oxidating and reducing substance |
US4372980A (en) * | 1979-08-20 | 1983-02-08 | Alco Standard Corporation | Method of operating a pressure fryer |
JPS5885314A (ja) * | 1981-11-17 | 1983-05-21 | Nissan Motor Co Ltd | エンジンオイルの劣化検知装置 |
US4686857A (en) * | 1983-03-04 | 1987-08-18 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Method and apparatus for evaluating the performance of dielectric substances |
US4701713A (en) * | 1984-12-20 | 1987-10-20 | Combustion Engineering, Inc. | Oil and fuel contamination monitoring system |
US4654126A (en) * | 1985-10-07 | 1987-03-31 | International Business Machines Corporation | Process for determining the plating activity of an electroless plating bath |
US4635473A (en) * | 1985-11-04 | 1987-01-13 | Hochstein Peter A | Oil degradation and temperature monitor |
US4808930A (en) * | 1986-09-03 | 1989-02-28 | Beckman Industrial Corporation | Technique of compensating for capacitive effects in conductivity measurements |
US4764258A (en) * | 1986-12-23 | 1988-08-16 | University Of Dayton | Method for evaluating the remaining useful life of a hydrocarbon oil |
US4744870A (en) * | 1986-12-23 | 1988-05-17 | University Of Dayton | Method for evaluating the remaining useful life of a lubricant |
US4803466A (en) * | 1987-09-11 | 1989-02-07 | U.S. Products, Inc. | Cleaning machine for carpet, upholstery and draperies |
US4928065A (en) * | 1989-03-31 | 1990-05-22 | E. I. Du Pont De Nemours And Company | Voltammetry in low-permitivity suspensions |
AU6413190A (en) * | 1989-09-22 | 1991-04-18 | Blanchard Marketing Services Limited | Sensing method and device for aggregation control |
US5089780A (en) * | 1989-10-04 | 1992-02-18 | Hughes Aircraft Company | Oil quality monitor sensor and system |
US5071527A (en) * | 1990-06-29 | 1991-12-10 | University Of Dayton | Complete oil analysis technique |
US5523692A (en) * | 1993-03-23 | 1996-06-04 | Nippondenso Co., Ltd. | Oil deterioration detector |
SE503444C2 (sv) * | 1994-09-13 | 1996-06-17 | Nyberg Bo Erik | Anordning och förfarande för avkänning och indikering av tillståndet hos ett medium i en ledning |
-
1996
- 1996-08-30 US US08/707,965 patent/US5933016A/en not_active Expired - Lifetime
-
1997
- 1997-08-27 AU AU41675/97A patent/AU4167597A/en not_active Abandoned
- 1997-08-27 AT AT97939632T patent/ATE282201T1/de not_active IP Right Cessation
- 1997-08-27 WO PCT/US1997/015159 patent/WO1998009158A1/en active IP Right Grant
- 1997-08-27 DE DE69731539T patent/DE69731539T2/de not_active Expired - Lifetime
- 1997-08-27 EP EP97939632A patent/EP0922216B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU4167597A (en) | 1998-03-19 |
EP0922216A1 (de) | 1999-06-16 |
EP0922216B1 (de) | 2004-11-10 |
WO1998009158A1 (en) | 1998-03-05 |
DE69731539T2 (de) | 2005-10-27 |
US5933016A (en) | 1999-08-03 |
ATE282201T1 (de) | 2004-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE282201T1 (de) | Leitfähigkeitsmessung mit einer einzigen elektrode | |
SE8701033D0 (sv) | Forfarande och apparat for att analysera elektrodimpedans | |
DE3780633D1 (de) | Korrosionsueberwachung. | |
BR9007206A (pt) | Processo para medir,pelo menos,um constituinte de uma amostra fluida,por meio de um dispositivo de eletrodo,aparelhagem de medida para uso no processo,eletrodo sensivel e aparelhagem para conducao do processo | |
NO894085L (no) | Instrument for maaling av fysikalske proever, f.eks. en urindraapes ledningsevne. | |
BG104275A (en) | Method and device for express analysis of tested parameters in biological samples | |
RU2001119059A (ru) | Способ, предусматривающий использование электрохимического шума при коррозии | |
SE9603569D0 (sv) | Electrochemical sensor | |
SE9300282D0 (sv) | Foerfarande och anordning foer att maeta floedet av en elektrolytisk vaetska | |
CZ364798A3 (cs) | Způsob charakterizace měřících míst podzemní vody rozlišováním podzemní vody a stanovištní vody a zařízení k jeho provádění | |
DK567585D0 (da) | Maalefoeler til undersoegelse af vaesker | |
EP0245116A3 (de) | Apparatur und Methode zur Messung des Widerstands | |
EP0786673A3 (de) | Verfahren und Vorrichtung zum Abtasten und zum Untersuchen eines Untergrundvolumens | |
DE69524822D1 (de) | Methode und Gerät zur Messung des ohmischen abfallfreien Potentials und zur Bewertung der Beschichtungsintegrität in Anwesenheit von Streuströmen | |
EP0350116A3 (de) | Elektrochemische Zelle zur Messung der ionischen Aktivität in einer Lösung und Verfahren zu deren Verwendung | |
AU586235B2 (en) | Assay for salicylate and apparatus for performing same | |
JPH0572160A (ja) | 過酸化水素濃度の測定方法及び装置 | |
ATE329241T1 (de) | Verfahren und anordnung zur feststellung von leckagen in einer absperrenden wandung | |
Mieluch et al. | Determination of Corrosion Rate by Means of a Two-Dimensional Parallel Arrangement of Two Electrodes Operating Within a Linear Polarization Area | |
FR2845264B1 (fr) | Dispositif et procede de mesure directe de ph et d'etat d'oxydation | |
JPS55107947A (en) | Method of detecting flaw of subaqueous tube or coating of subaqueous tube | |
SE9401457L (sv) | Mätning av blodgaser | |
GEP19960497B (en) | Device for analyzing polarization properties of electrode-solution boundary | |
Krivian | Methods of Monitoring Cathodic Protection | |
DK1088099T3 (da) | Fremgangsmåde til bestemmelse af en biologisk aktivitet af mikroorganismer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |