JPWO2023149571A1 - - Google Patents

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Publication number
JPWO2023149571A1
JPWO2023149571A1 JP2023578659A JP2023578659A JPWO2023149571A1 JP WO2023149571 A1 JPWO2023149571 A1 JP WO2023149571A1 JP 2023578659 A JP2023578659 A JP 2023578659A JP 2023578659 A JP2023578659 A JP 2023578659A JP WO2023149571 A1 JPWO2023149571 A1 JP WO2023149571A1
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JP
Japan
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.)
Granted
Application number
JP2023578659A
Other languages
Japanese (ja)
Other versions
JP7730928B2 (ja
JPWO2023149571A5 (https=
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.)
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Publication date
Application filed filed Critical
Publication of JPWO2023149571A1 publication Critical patent/JPWO2023149571A1/ja
Publication of JPWO2023149571A5 publication Critical patent/JPWO2023149571A5/ja
Application granted granted Critical
Publication of JP7730928B2 publication Critical patent/JP7730928B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01N27/07—Construction of measuring vessels; Electrodes therefor
    • 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
    • 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
    • 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
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/045—Circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP2023578659A 2022-02-07 2023-02-06 導電率測定方法 Active JP7730928B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022004628 2022-02-07
JPPCT/JP2022/004628 2022-02-07
PCT/JP2023/003755 WO2023149571A1 (ja) 2022-02-07 2023-02-06 導電率測定方法

Publications (3)

Publication Number Publication Date
JPWO2023149571A1 true JPWO2023149571A1 (https=) 2023-08-10
JPWO2023149571A5 JPWO2023149571A5 (https=) 2024-10-15
JP7730928B2 JP7730928B2 (ja) 2025-08-28

Family

ID=87552383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023578659A Active JP7730928B2 (ja) 2022-02-07 2023-02-06 導電率測定方法

Country Status (3)

Country Link
US (1) US20250035574A1 (https=)
JP (1) JP7730928B2 (https=)
WO (1) WO2023149571A1 (https=)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169545A (ja) * 1987-01-06 1988-07-13 Ngk Insulators Ltd 電気伝導度測定用端子
JPH11304856A (ja) * 1998-04-24 1999-11-05 Horiba Ltd 導電率測定方法および測定装置
JP2006133191A (ja) * 2004-11-09 2006-05-25 Nippon Soken Inc 静電容量式湿度センサ
JP2009002693A (ja) * 2007-06-19 2009-01-08 Mitsubishi Heavy Ind Ltd オイル劣化検出装置
JP2011080814A (ja) * 2009-10-06 2011-04-21 Mitsubishi Heavy Ind Ltd 工作機械用潤滑油の劣化検出装置および劣化検出方法
JP2019028012A (ja) * 2017-08-03 2019-02-21 東北電子産業株式会社 複素誘電率測定用回路、複素誘電率測定装置及び複素誘電率の測定方法
JP2019109224A (ja) * 2017-12-18 2019-07-04 スティヒティング・イメック・ネーデルラントＳｔｉｃｈｔｉｎｇ ＩＭＥＣ Ｎｅｄｅｒｌａｎｄ 導電率センサ
WO2021241628A1 (ja) * 2020-05-29 2021-12-02 日本碍子株式会社 静電容量式センサ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3720189C1 (de) * 1987-06-16 1988-12-29 Endress Hauser Gmbh Co Taupunkt-Sensor
US5519323A (en) * 1992-05-15 1996-05-21 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Integrable conductivity measuring device
JP4821560B2 (ja) * 2006-10-27 2011-11-24 株式会社デンソー 液体性状センサ
JP2009092633A (ja) * 2007-10-12 2009-04-30 Denso Corp インピーダンスセンサ
WO2018095524A1 (de) * 2016-11-23 2018-05-31 Robert Bosch Gmbh Gassensor und verfahren zur detektion eines gases
US10466201B2 (en) * 2018-02-01 2019-11-05 FPG Industries Ohio, Inc. Complex impedance moisture sensor and sensing method
US20250025347A1 (en) * 2023-07-18 2025-01-23 Michael L. Hill Cerumen prevention and removal device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169545A (ja) * 1987-01-06 1988-07-13 Ngk Insulators Ltd 電気伝導度測定用端子
JPH11304856A (ja) * 1998-04-24 1999-11-05 Horiba Ltd 導電率測定方法および測定装置
JP2006133191A (ja) * 2004-11-09 2006-05-25 Nippon Soken Inc 静電容量式湿度センサ
JP2009002693A (ja) * 2007-06-19 2009-01-08 Mitsubishi Heavy Ind Ltd オイル劣化検出装置
JP2011080814A (ja) * 2009-10-06 2011-04-21 Mitsubishi Heavy Ind Ltd 工作機械用潤滑油の劣化検出装置および劣化検出方法
JP2019028012A (ja) * 2017-08-03 2019-02-21 東北電子産業株式会社 複素誘電率測定用回路、複素誘電率測定装置及び複素誘電率の測定方法
JP2019109224A (ja) * 2017-12-18 2019-07-04 スティヒティング・イメック・ネーデルラントＳｔｉｃｈｔｉｎｇ ＩＭＥＣ Ｎｅｄｅｒｌａｎｄ 導電率センサ
WO2021241628A1 (ja) * 2020-05-29 2021-12-02 日本碍子株式会社 静電容量式センサ

Also Published As

Publication number Publication date
JP7730928B2 (ja) 2025-08-28
US20250035574A1 (en) 2025-01-30
WO2023149571A1 (ja) 2023-08-10

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