NO954348L - Instrument og sonde for måling av vannets ledningsevne - Google Patents
Instrument og sonde for måling av vannets ledningsevneInfo
- Publication number
- NO954348L NO954348L NO954348A NO954348A NO954348L NO 954348 L NO954348 L NO 954348L NO 954348 A NO954348 A NO 954348A NO 954348 A NO954348 A NO 954348A NO 954348 L NO954348 L NO 954348L
- Authority
- NO
- Norway
- Prior art keywords
- probe
- instrument
- measuring water
- water conductivity
- conductivity
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16194495A JP3558741B2 (ja) | 1995-06-28 | 1995-06-28 | 電気伝導度測定回路及び電気伝導度測定用プロ−ブ |
Publications (3)
Publication Number | Publication Date |
---|---|
NO954348D0 NO954348D0 (no) | 1995-10-30 |
NO954348L true NO954348L (no) | 1996-12-30 |
NO323850B1 NO323850B1 (no) | 2007-07-16 |
Family
ID=15745015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19954348A NO323850B1 (no) | 1995-06-28 | 1995-10-30 | Instrument og sonde for maling av vannets ledningsevne |
Country Status (5)
Country | Link |
---|---|
US (1) | US5767682A (no) |
JP (1) | JP3558741B2 (no) |
CA (1) | CA2161615C (no) |
GB (1) | GB2302737B (no) |
NO (1) | NO323850B1 (no) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6570176B1 (en) * | 1997-02-10 | 2003-05-27 | Woods Hole Oceanographic Institution | Low-cost, compact bathyphotometer |
WO2002050526A2 (en) * | 2000-12-21 | 2002-06-27 | Shell Internationale Research Maatschappij B.V. | Measuring a material property of an electrical conductive object |
US6603315B2 (en) * | 2001-01-30 | 2003-08-05 | Ifac Gmbh & Co. Kg | Measuring probe, measuring instrument and method for determining the physical stability of emulsions and dispersions |
JP2003227881A (ja) * | 2002-02-04 | 2003-08-15 | Tsurumi Seiki:Kk | 塩分測定機器及び塩分測定機能を備えた漂流ブイ |
AU2005205611B2 (en) * | 2004-01-15 | 2010-08-05 | The University Of Southern Queensland | Method and apparatus for measuring electrical conductivity |
CA2598664A1 (en) * | 2005-02-21 | 2006-08-31 | University Of South Florida | Micro sensor system for liquid conductivity, temperature and depth |
DE102006025098B4 (de) * | 2006-05-19 | 2008-06-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sensor zur Ermittlung der elektrischen Leitfähigkeit flüssiger Medien und ein Verfahren zu seiner Herstellung |
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 |
DE102009026403A1 (de) * | 2009-05-20 | 2010-11-25 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Induktive Leitfähigkeits-Messzelle und Verfahren zum Betreiben derselben |
DE102011102698A1 (de) * | 2011-05-20 | 2012-11-22 | Continental Automotive Gmbh | Vorratsbehälter für eine Flüssigkeit und Verfahren zum Messen der elektrischen Leitfähigkeit einer Flüssigkeit |
CN104502708A (zh) * | 2014-11-05 | 2015-04-08 | 贝兹维仪器(苏州)有限公司 | 一种电网极电阻率测量器 |
CN104502720A (zh) * | 2014-11-07 | 2015-04-08 | 贝兹维仪器(苏州)有限公司 | 一种用于测量电阻率的器件 |
KR102523044B1 (ko) * | 2015-04-27 | 2023-04-18 | 비트론 에스.피.에이. | 액체의 전기 전도도, 특히 세탁기 세탁조의 전기 전도도를 감지하는 장치 |
KR101885666B1 (ko) * | 2016-09-01 | 2018-08-06 | (주) 멀티패스 | Rf 신호를 이용한 비접촉 방식의 전도도 및 비전도체 유전율 특성변화 측정장치 |
CN111465864A (zh) * | 2018-02-09 | 2020-07-28 | 株式会社岛津制作所 | 电传导度检测器及求取背景减法信号的相位调整值的方法 |
JP7044680B2 (ja) * | 2018-10-15 | 2022-03-30 | Jfeアドバンテック株式会社 | 液質検出装置 |
US20230160846A1 (en) * | 2020-03-25 | 2023-05-25 | Japan Agency For Marine-Earth Science And Technology | Measurement cell for electric conductivity measuring instrument, and electric conductivity measuring instrument comprising same |
CN112526212A (zh) * | 2020-11-12 | 2021-03-19 | 山东科技大学 | 一种可补偿环境变化的电导率测量装置及测量方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3292077A (en) * | 1963-01-02 | 1966-12-13 | Schlumberger Well Surv Corp | Conductivity measuring system |
US3906353A (en) * | 1973-10-09 | 1975-09-16 | Westinghouse Electric Corp | Oscillator circuit for providing a conductivity ratio of sea water |
US4220920A (en) * | 1979-03-28 | 1980-09-02 | The Foxboro Company | Electrodeless conductivity measuring system |
US5157332A (en) * | 1989-10-13 | 1992-10-20 | The Foxboro Company | Three-toroid electrodeless conductivity cell |
US5268642A (en) * | 1990-10-31 | 1993-12-07 | Central Glass Company Limited | Method and apparatus for measuring electrical conductivity of liquid |
JPH04361168A (ja) * | 1991-06-08 | 1992-12-14 | Horiba Ltd | 電磁誘導式導電率計 |
JPH05188030A (ja) * | 1992-01-10 | 1993-07-27 | Tsurumi Seiki:Kk | 海洋デ−タ自動測定装置 |
US5455513A (en) * | 1993-12-07 | 1995-10-03 | Falmouth Scientific, Inc. | System for measuring properties of materials |
-
1995
- 1995-06-28 JP JP16194495A patent/JP3558741B2/ja not_active Expired - Lifetime
- 1995-10-20 US US08/546,409 patent/US5767682A/en not_active Expired - Lifetime
- 1995-10-25 GB GB9521880A patent/GB2302737B/en not_active Expired - Lifetime
- 1995-10-27 CA CA002161615A patent/CA2161615C/en not_active Expired - Lifetime
- 1995-10-30 NO NO19954348A patent/NO323850B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO323850B1 (no) | 2007-07-16 |
US5767682A (en) | 1998-06-16 |
GB2302737A (en) | 1997-01-29 |
CA2161615C (en) | 1999-07-13 |
GB2302737B (en) | 1997-08-27 |
CA2161615A1 (en) | 1996-12-29 |
JPH0915278A (ja) | 1997-01-17 |
NO954348D0 (no) | 1995-10-30 |
JP3558741B2 (ja) | 2004-08-25 |
GB9521880D0 (en) | 1996-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |