DE69119798T2 - Elektromagnetischer Apparat zum Messen der Leitfähigkeit und Verfahren zum Messen der Leitfähigkeit - Google Patents

Elektromagnetischer Apparat zum Messen der Leitfähigkeit und Verfahren zum Messen der Leitfähigkeit

Info

Publication number
DE69119798T2
DE69119798T2 DE69119798T DE69119798T DE69119798T2 DE 69119798 T2 DE69119798 T2 DE 69119798T2 DE 69119798 T DE69119798 T DE 69119798T DE 69119798 T DE69119798 T DE 69119798T DE 69119798 T2 DE69119798 T2 DE 69119798T2
Authority
DE
Germany
Prior art keywords
measuring conductivity
electromagnetic apparatus
conductivity
measuring
electromagnetic
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
DE69119798T
Other languages
English (en)
Other versions
DE69119798D1 (de
Inventor
Kenji Arichika
Mitsuru Fukamachi
Satoshi Higashi
Noboru Maruyama
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.)
Tosoh Corp
Nichiri Manufacturing Co Ltd
Original Assignee
Tosoh Corp
Nichiri Manufacturing Co Ltd
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 Tosoh Corp, Nichiri Manufacturing Co Ltd filed Critical Tosoh Corp
Publication of DE69119798D1 publication Critical patent/DE69119798D1/de
Application granted granted Critical
Publication of DE69119798T2 publication Critical patent/DE69119798T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/22—Measuring resistance of fluids
    • 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
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
DE69119798T 1990-02-13 1991-02-12 Elektromagnetischer Apparat zum Messen der Leitfähigkeit und Verfahren zum Messen der Leitfähigkeit Expired - Fee Related DE69119798T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2029455A JPH03235067A (ja) 1990-02-13 1990-02-13 電磁式導電率計及び導電率測定方法

Publications (2)

Publication Number Publication Date
DE69119798D1 DE69119798D1 (de) 1996-07-04
DE69119798T2 true DE69119798T2 (de) 1996-12-12

Family

ID=12276582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69119798T Expired - Fee Related DE69119798T2 (de) 1990-02-13 1991-02-12 Elektromagnetischer Apparat zum Messen der Leitfähigkeit und Verfahren zum Messen der Leitfähigkeit

Country Status (4)

Country Link
US (1) US5089781A (de)
EP (1) EP0442693B1 (de)
JP (1) JPH03235067A (de)
DE (1) DE69119798T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015104217A1 (de) * 2015-03-20 2016-09-22 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Messsystem zum Bestimmen der spezifischen elektrischen Leitfähigkeit
DE102016119508A1 (de) * 2016-10-13 2018-04-19 Krohne Messtechnik Gmbh Leitfähigkeitssensor und Verfahren zur Bestimmung der elektrischen Leitfähigkeit eines flüssigen Mediums

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JP2589593B2 (ja) * 1990-10-22 1997-03-12 株式会社堀場製作所 電磁誘導式導電率計
US5554932A (en) * 1993-12-17 1996-09-10 Eastman Kodak Company Measurement of a saturation magnetic flux density through use of a rotating permanent magnet
US5574363A (en) * 1994-02-14 1996-11-12 Eastman Kodak Company Stability method and apparatus for nondestructive measure of magnetic saturation flux density in magnetic materials
US5565768A (en) * 1994-11-10 1996-10-15 Smiths, Industries Aerospace & Defense Systems, Inc. Apparatus for detecting metallic debris in dielectric fluid having an indirectly heated thermistor for balancing a bridge network
JP2001147218A (ja) * 1999-11-22 2001-05-29 T & C Technical:Kk 無電極センサ
DE60336074D1 (de) 2002-10-11 2011-03-31 Univ Connecticut Mischungen von amorphen und semikristallinen polymeren mit formgedächtniseigenscchaften
US7279903B2 (en) 2005-05-02 2007-10-09 Invensys Systems, Inc. Non-metallic flow-through electrodeless conductivity sensor with leak and temperature detection
US7405572B2 (en) * 2005-05-02 2008-07-29 Invensys Systems, Inc. Non-metallic flow-through electrodeless conductivity sensor and leak detector
US20140099663A1 (en) * 2010-11-15 2014-04-10 Regents Of The University Of Minnesota Gmr sensor
CN103344670B (zh) * 2013-06-28 2018-07-06 沈阳工业大学 原油含水率管外测量方法及装置
WO2016026036A1 (en) * 2014-08-22 2016-02-25 Rockland Scientific International Inc. Electro-magnetic induction fluid conductivity sensor
CN104749213A (zh) * 2015-03-31 2015-07-01 东华大学 一种薄膜热电材料电势测定装置
FR3051078B1 (fr) 2016-05-03 2018-09-21 Eaxtron Manchon pour contact femelle, connecteur utilisant le manchon et procede de fabrication.
CN108445298B (zh) * 2018-03-28 2024-02-06 南京林业大学 一种电场耦合型感应式电导率传感器及其特性补偿器
WO2019202092A1 (en) * 2018-04-18 2019-10-24 Universiteit Twente System and method for measuring conductivity
US11845902B2 (en) 2020-06-23 2023-12-19 Saudi Arabian Oil Company Online analysis in a gas oil separation plant (GOSP)
US11655409B2 (en) 2020-09-23 2023-05-23 Saudi Arabian Oil Company Forming drilling fluid from produced water
WO2022139991A1 (en) * 2020-12-22 2022-06-30 Nxstage Medical, Inc. Leakage current management systems, devices, and methods
US11746280B2 (en) 2021-06-14 2023-09-05 Saudi Arabian Oil Company Production of barium sulfate and fracturing fluid via mixing of produced water and seawater
US11548784B1 (en) 2021-10-26 2023-01-10 Saudi Arabian Oil Company Treating sulfur dioxide containing stream by acid aqueous absorption
US11661541B1 (en) 2021-11-11 2023-05-30 Saudi Arabian Oil Company Wellbore abandonment using recycled tire rubber
US11926799B2 (en) 2021-12-14 2024-03-12 Saudi Arabian Oil Company 2-iso-alkyl-2-(4-hydroxyphenyl)propane derivatives used as emulsion breakers for crude oil

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NL239809A (de) * 1958-06-03
US3510761A (en) * 1963-03-04 1970-05-05 Bissett Berman Corp Compensated salinometer
US3404335A (en) * 1965-07-26 1968-10-01 Beckman Instruments Inc Apparatus for measuring electrical conductivity of a conducting medium capable of flowing in a conduit
US3404336A (en) * 1965-07-26 1968-10-01 Beckman Instruments Inc Apparatus for measuring electrical conductivity of a fluid
US3491287A (en) * 1967-04-14 1970-01-20 Blissett Berman Corp The Salinometer including first and second order temperature compensation and third compensation for variations between conductivity and salinity
US4138639A (en) * 1977-07-14 1979-02-06 Hutchins Thomas B Fluid conductivity measurement
SU983608A1 (ru) * 1981-03-31 1982-12-23 Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им.Ленинского Комсомола Устройство дл контрол электромагнитных характеристик жидкостей
US4460008A (en) * 1982-12-23 1984-07-17 Leary Richard P O Indexing controller apparatus for cooling water tower systems
JPS60190873A (ja) * 1984-03-10 1985-09-28 Japan Organo Co Ltd 電磁式導電率計
US4740755A (en) * 1986-05-30 1988-04-26 Cobe Laboratories, Inc. Remote conductivity sensor having transformer coupling in fluid flow path

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015104217A1 (de) * 2015-03-20 2016-09-22 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Messsystem zum Bestimmen der spezifischen elektrischen Leitfähigkeit
US9885678B2 (en) 2015-03-20 2018-02-06 Endress+Hauser Conducta Gmbh+Co. Kg Measuring system for determining specific electrical conductivity
DE102016119508A1 (de) * 2016-10-13 2018-04-19 Krohne Messtechnik Gmbh Leitfähigkeitssensor und Verfahren zur Bestimmung der elektrischen Leitfähigkeit eines flüssigen Mediums

Also Published As

Publication number Publication date
DE69119798D1 (de) 1996-07-04
JPH03235067A (ja) 1991-10-21
EP0442693A1 (de) 1991-08-21
EP0442693B1 (de) 1996-05-29
US5089781A (en) 1992-02-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee