KR102270974B1 - 전기 전도율계 - Google Patents

전기 전도율계 Download PDF

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Publication number
KR102270974B1
KR102270974B1 KR1020190088545A KR20190088545A KR102270974B1 KR 102270974 B1 KR102270974 B1 KR 102270974B1 KR 1020190088545 A KR1020190088545 A KR 1020190088545A KR 20190088545 A KR20190088545 A KR 20190088545A KR 102270974 B1 KR102270974 B1 KR 102270974B1
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KR
South Korea
Prior art keywords
electrode
electrical conductivity
circuit
square wave
signal
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KR1020190088545A
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English (en)
Korean (ko)
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KR20200011370A (ko
Inventor
고이치 마마다
오사무 모모세
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아즈빌주식회사
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Application filed by 아즈빌주식회사 filed Critical 아즈빌주식회사
Publication of KR20200011370A publication Critical patent/KR20200011370A/ko
Application granted granted Critical
Publication of KR102270974B1 publication Critical patent/KR102270974B1/ko

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    • 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
    • G01N27/045—Circuits
    • 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

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  • 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
KR1020190088545A 2018-07-24 2019-07-22 전기 전도율계 KR102270974B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018138539A JP7132014B2 (ja) 2018-07-24 2018-07-24 電気伝導率計
JPJP-P-2018-138539 2018-07-24

Publications (2)

Publication Number Publication Date
KR20200011370A KR20200011370A (ko) 2020-02-03
KR102270974B1 true KR102270974B1 (ko) 2021-07-01

Family

ID=69383926

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020190088545A KR102270974B1 (ko) 2018-07-24 2019-07-22 전기 전도율계

Country Status (3)

Country Link
JP (1) JP7132014B2 (zh)
KR (1) KR102270974B1 (zh)
CN (1) CN110780122B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019202092A1 (en) * 2018-04-18 2019-10-24 Universiteit Twente System and method for measuring conductivity
CN112763547B (zh) * 2020-12-30 2022-10-25 安徽皖仪科技股份有限公司 一种基于二极电导池的电导率检测系统
DE102021107765A1 (de) * 2021-03-26 2022-09-29 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zur Messung einer Leitfähigkeit eines Mediums
JP7254396B1 (ja) 2022-12-08 2023-04-10 株式会社オーツボ 養殖海苔処理装置及び箱船

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010032245A (ja) 2008-07-25 2010-02-12 Japan Radio Co Ltd 比誘電率・導電率測定装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2946265B2 (ja) 1993-06-24 1999-09-06 シャープ株式会社 キャッチホン対応型電話装置
TW546480B (en) * 2000-03-07 2003-08-11 Sumitomo Metal Ind Circuit, apparatus and method for inspecting impedance
JP2002296312A (ja) 2001-04-02 2002-10-09 Samson Co Ltd 電気伝導率センサ
JP2005148007A (ja) 2003-11-19 2005-06-09 Horiba Advanced Techno Co Ltd 導電率計
CN1821763A (zh) * 2006-03-22 2006-08-23 黄伟忠 一种溶液电导率的测量方法
JP5039630B2 (ja) * 2008-04-04 2012-10-03 株式会社キーエンス 計測モジュール
CN101629923B (zh) * 2008-07-14 2013-05-15 梅特勒-托利多仪器（上海）有限公司 电磁式溶液电导率的测量方法及装置
CN101806776B (zh) * 2010-04-19 2012-01-11 南京航空航天大学 声板波虚拟阵列传感器系统及基于该系统的液体检测方法
CN102809699B (zh) * 2012-08-24 2014-09-03 福建师范大学 溶液电导率测量涉及的电极分布电容动态测定方法
WO2016044302A1 (en) * 2014-09-15 2016-03-24 Bourns, Inc. Conductive liquid property measurement using variable phase mixing
JP6481443B2 (ja) * 2015-03-19 2019-03-13 横河電機株式会社 電磁流量計
SI3289342T1 (sl) * 2015-04-27 2019-07-31 Bitron S.P.A. Naprava za zaznavanje električne prevodnosti tekočine, še posebej pralne kopeli v pralnem stroju
JP2017026359A (ja) * 2015-07-16 2017-02-02 テクノ・モリオカ株式会社 水質センサ
JP6758226B2 (ja) * 2017-02-27 2020-09-23 アズビル株式会社 電磁流量計
JP7098465B2 (ja) * 2018-07-24 2022-07-11 アズビル株式会社 電磁流量計

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010032245A (ja) 2008-07-25 2010-02-12 Japan Radio Co Ltd 比誘電率・導電率測定装置

Also Published As

Publication number Publication date
JP7132014B2 (ja) 2022-09-06
CN110780122B (zh) 2022-02-25
KR20200011370A (ko) 2020-02-03
CN110780122A (zh) 2020-02-11
JP2020016498A (ja) 2020-01-30

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E701 Decision to grant or registration of patent right