DE69111560D1 - Verfahren und Vorrichtung zur Messung der elektrischen Leitfähigkeit von Flüssigkeiten. - Google Patents

Verfahren und Vorrichtung zur Messung der elektrischen Leitfähigkeit von Flüssigkeiten.

Info

Publication number
DE69111560D1
DE69111560D1 DE69111560T DE69111560T DE69111560D1 DE 69111560 D1 DE69111560 D1 DE 69111560D1 DE 69111560 T DE69111560 T DE 69111560T DE 69111560 T DE69111560 T DE 69111560T DE 69111560 D1 DE69111560 D1 DE 69111560D1
Authority
DE
Germany
Prior art keywords
liquids
measuring
electrical conductivity
conductivity
electrical
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
DE69111560T
Other languages
English (en)
Other versions
DE69111560T2 (de
Inventor
Masato Uchidomi
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.)
Central Glass Co Ltd
Original Assignee
Central Glass 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
Priority claimed from JP29489190A external-priority patent/JP2803901B2/ja
Priority claimed from JP33418290A external-priority patent/JP2746477B2/ja
Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd
Application granted granted Critical
Publication of DE69111560D1 publication Critical patent/DE69111560D1/de
Publication of DE69111560T2 publication Critical patent/DE69111560T2/de
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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE69111560T 1990-10-31 1991-10-25 Verfahren und Vorrichtung zur Messung der elektrischen Leitfähigkeit von Flüssigkeiten. Expired - Fee Related DE69111560T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29489190A JP2803901B2 (ja) 1990-10-31 1990-10-31 電磁濃度計検出部の構造
JP33418290A JP2746477B2 (ja) 1990-11-30 1990-11-30 電導度測定方法およびその装置

Publications (2)

Publication Number Publication Date
DE69111560D1 true DE69111560D1 (de) 1995-08-31
DE69111560T2 DE69111560T2 (de) 1996-01-18

Family

ID=26560027

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69111560T Expired - Fee Related DE69111560T2 (de) 1990-10-31 1991-10-25 Verfahren und Vorrichtung zur Messung der elektrischen Leitfähigkeit von Flüssigkeiten.

Country Status (3)

Country Link
US (1) US5268642A (de)
EP (1) EP0483690B1 (de)
DE (1) DE69111560T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3649457B2 (ja) * 1994-06-30 2005-05-18 アジレント・テクノロジーズ・インク 電磁誘導式プローブ、インピーダンス測定装置、校正方法、および、校正用治具
JP3415697B2 (ja) * 1994-12-29 2003-06-09 アジレント・テクノロジー株式会社 電磁誘導式プローブ
JP3499315B2 (ja) * 1994-12-29 2004-02-23 アジレント・テクノロジー株式会社 電磁誘導式プローブの補正方法
JP3558741B2 (ja) * 1995-06-28 2004-08-25 株式会社鶴見精機 電気伝導度測定回路及び電気伝導度測定用プロ−ブ
US5779927A (en) * 1997-01-27 1998-07-14 Taiwan Semiconductor Manufacturing Company, Ltd. Modified reflux etcher controlled by pH or conductivity sensing loop
US6760206B2 (en) 2001-03-16 2004-07-06 Cooper Industries, Inc. Current sensor supporting structure
BRPI0506788A (pt) * 2004-01-15 2007-05-22 Univ Southern Queensland método e aparelho para medição de condutividade elétrica
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
US10261036B2 (en) * 2016-06-21 2019-04-16 General Electric Company Sensing system and an associated method thereof
CN101629924B (zh) * 2008-07-14 2013-01-30 梅特勒-托利多仪器（上海）有限公司 用于电磁式溶液电导率测量的输入电路
RU2519495C1 (ru) * 2012-12-24 2014-06-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") Способ измерения электропроводности раствора электролита
US10607772B2 (en) * 2014-05-29 2020-03-31 R-Water Llc Conductivity and impedance sensor
JP2017528717A (ja) 2014-09-15 2017-09-28 ボーンズ・インコーポレーテッドＢｏｕｒｎｓ，Ｉｎｃｏｒｐｏｒａｔｅｄ 可変の位相混合法を使用する伝導性液体の性質の測定
KR102366427B1 (ko) * 2015-05-26 2022-02-22 알-워터 엘엘씨 도전율 및 임피던스 센서
EP4267976A1 (de) * 2020-12-22 2023-11-01 NxStage Medical, Inc. Leckstromverwaltungssysteme, -vorrichtungen und -verfahren

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2038507A (en) * 1931-10-16 1936-04-21 Condit Electrical Mfg Corp Electric arc extinguishing medium
US3054946A (en) * 1956-10-29 1962-09-18 Gerald L Esterson Method for measuring electrical conductivity of fluids
US3292077A (en) * 1963-01-02 1966-12-13 Schlumberger Well Surv Corp Conductivity measuring system
US3510761A (en) * 1963-03-04 1970-05-05 Bissett Berman Corp Compensated salinometer
US3603873A (en) * 1970-01-14 1971-09-07 Nus Corp Conductivity sensor
US3772514A (en) * 1971-11-08 1973-11-13 Capintec Inc Isolation amplifier
JPS5339259Y2 (de) * 1972-05-18 1978-09-22
US3883796A (en) * 1972-09-05 1975-05-13 Acme Cleveland Corp Proximity probe with output proportional to target distance
SU596871A1 (ru) * 1976-10-20 1978-03-05 Всесоюзный научно-исследовательский и проектный институт галургии Кондуктометр
JPS5434632A (en) * 1977-08-23 1979-03-14 Yoshio Yamane Braille point reader
US4220920A (en) * 1979-03-28 1980-09-02 The Foxboro Company Electrodeless conductivity measuring system
US4463284A (en) * 1981-07-28 1984-07-31 Konishiroku Photo Industry Co., Ltd. Method and apparatus for controlling luminous intensity of fluorescent lamp of reproducing apparatus
US4446841A (en) * 1982-01-20 1984-05-08 The Bendix Corporation Photoelectric isolation circuit for an internal combustion engine ignition system
JPH0664501B2 (ja) * 1986-01-16 1994-08-22 オリジン電気株式会社 定電流電源回路
US4957839A (en) * 1987-05-26 1990-09-18 Ricoh Company, Ltd. Electrophotographic photoconductor having a silicone resin charge retention layer
US5103084A (en) * 1989-06-15 1992-04-07 Unisys Corp. Adjustable radiation-controlled filter with voltage controlled bandwidth

Also Published As

Publication number Publication date
US5268642A (en) 1993-12-07
DE69111560T2 (de) 1996-01-18
EP0483690B1 (de) 1995-07-26
EP0483690A1 (de) 1992-05-06

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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