JPH0718903B2 - 電気伝導度測定装置 - Google Patents

電気伝導度測定装置

Info

Publication number
JPH0718903B2
JPH0718903B2 JP63331790A JP33179088A JPH0718903B2 JP H0718903 B2 JPH0718903 B2 JP H0718903B2 JP 63331790 A JP63331790 A JP 63331790A JP 33179088 A JP33179088 A JP 33179088A JP H0718903 B2 JPH0718903 B2 JP H0718903B2
Authority
JP
Japan
Prior art keywords
phase
current
synchronous rectification
electric conductivity
electrodes
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
JP63331790A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02179480A (ja
Inventor
貴和夫 関
恒治 筒田
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP63331790A priority Critical patent/JPH0718903B2/ja
Priority to US07/456,454 priority patent/US5138264A/en
Priority to DE3943346A priority patent/DE3943346A1/de
Publication of JPH02179480A publication Critical patent/JPH02179480A/ja
Publication of JPH0718903B2 publication Critical patent/JPH0718903B2/ja
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
    • G01N27/04—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
    • 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
    • G01N27/07—Construction of measuring vessels; Electrodes therefor

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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP63331790A 1988-12-29 1988-12-29 電気伝導度測定装置 Expired - Fee Related JPH0718903B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP63331790A JPH0718903B2 (ja) 1988-12-29 1988-12-29 電気伝導度測定装置
US07/456,454 US5138264A (en) 1988-12-29 1989-12-26 Apparatus for measuring electrical conductivity
DE3943346A DE3943346A1 (de) 1988-12-29 1989-12-29 Vorrichtung zum messen der elektrischen leitfaehigkeit von fluessigkeiten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63331790A JPH0718903B2 (ja) 1988-12-29 1988-12-29 電気伝導度測定装置

Publications (2)

Publication Number Publication Date
JPH02179480A JPH02179480A (ja) 1990-07-12
JPH0718903B2 true JPH0718903B2 (ja) 1995-03-06

Family

ID=18247670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63331790A Expired - Fee Related JPH0718903B2 (ja) 1988-12-29 1988-12-29 電気伝導度測定装置

Country Status (3)

Country Link
US (1) US5138264A (en, 2012)
JP (1) JPH0718903B2 (en, 2012)
DE (1) DE3943346A1 (en, 2012)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5480555A (en) * 1994-06-06 1996-01-02 Robertshaw Controls Company Control system for a water softener, control device therefor and methods of making the same
US5504430A (en) * 1994-06-29 1996-04-02 Andersson; Lars Method and apparatus of conductivity measurement
GB9419882D0 (en) * 1994-10-03 1994-11-16 Mcnaughtan Arthur Electrochemical detection system
US5945830A (en) * 1996-04-26 1999-08-31 Biosepra, Inc. Flow through fluid pH and conductivity sensor
NL1011540C2 (nl) * 1999-03-12 2000-10-03 Nmi Van Swinden Lab B V Meetcel voor het meten van de geleidbaarheid van vloeistoffen en werkwijze voor het meten van de geleidbaarheid van een vloeistof.
RU2209421C2 (ru) * 2001-04-05 2003-07-27 ЗАО "Сибпромприбор" Устройство для измерения электропроводности жидких сред
US7405572B2 (en) * 2005-05-02 2008-07-29 Invensys Systems, Inc. Non-metallic flow-through electrodeless conductivity sensor and leak detector
US7148694B1 (en) * 2005-06-03 2006-12-12 The United States Of America As Represented By The Secretary Of The Navy Contact impedance test circuit and method
RU2302626C2 (ru) * 2005-07-27 2007-07-10 Общество с ограниченной ответственностью "Научно-производственный центр ПАЛС" Устройство для измерения электрической проводимости жидкости
US20100321036A1 (en) * 2009-06-22 2010-12-23 Delaware Capital Formation, Inc. Dual tone measurement of conductivity and dielectric properties
DE102010002739A1 (de) * 2010-03-10 2011-09-15 Dbk David + Baader Gmbh Messvorrichtung zum Erfassen der Leitfähigkeit einer Flüssigkeit
US9835573B2 (en) 2013-03-15 2017-12-05 Ilium Technology Inc. Apparatus and method for measuring electrical properties of matter
CN103728497B (zh) * 2013-10-29 2016-01-20 高玉琴 一种溶液电导率的测量电路
CN110678761B (zh) * 2017-07-07 2022-03-08 株式会社岛津制作所 导电率检测器以及求相位调整值的方法
JP6988925B2 (ja) * 2018-02-09 2022-01-05 株式会社島津製作所 電気伝導度検出器及びバックグランド減算信号の位相調整値を求めるための方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6360344B2 (ja) 2014-04-18 2018-07-18 株式会社東芝 水車入口弁制御装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868315A (en) * 1972-07-12 1975-02-25 Exxon Research Engineering Co Electronic measurement of end point of asphalt oxidation
US3778707A (en) * 1972-12-14 1973-12-11 Agridustrial Electronics Means for measuring loss tangent of material for determining moisture content
JPS533872A (en) * 1976-07-01 1978-01-13 Kyoto Denshi Kougiyou Kk Method of measuring conductivity of solution
US4513248A (en) * 1980-11-17 1985-04-23 Conax Corporation Fluid conductivity sensor
JPS61178457A (ja) * 1985-01-30 1986-08-11 日瀝化学工業株式会社 セメント混合物の水中施工方法
JPS62167456A (ja) * 1985-11-30 1987-07-23 Shimadzu Corp 電気伝導度検出器
JP2568620B2 (ja) * 1988-03-29 1997-01-08 愛知時計電機株式会社 電磁流量計
JPH0718902B2 (ja) * 1988-10-19 1995-03-06 株式会社日立製作所 電気伝導度検出器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6360344B2 (ja) 2014-04-18 2018-07-18 株式会社東芝 水車入口弁制御装置

Also Published As

Publication number Publication date
JPH02179480A (ja) 1990-07-12
US5138264A (en) 1992-08-11
DE3943346C2 (en, 2012) 1992-07-23
DE3943346A1 (de) 1990-07-05

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Legal Events

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LAPS Cancellation because of no payment of annual fees