DE3943346C2 - - Google Patents
Info
- Publication number
- DE3943346C2 DE3943346C2 DE3943346A DE3943346A DE3943346C2 DE 3943346 C2 DE3943346 C2 DE 3943346C2 DE 3943346 A DE3943346 A DE 3943346A DE 3943346 A DE3943346 A DE 3943346A DE 3943346 C2 DE3943346 C2 DE 3943346C2
- Authority
- DE
- Germany
- Prior art keywords
- phase
- voltage
- cell
- current
- compensation current
- 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 - Lifetime
Links
- 230000001360 synchronised effect Effects 0.000 claims description 51
- 230000010363 phase shift Effects 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 239000003792 electrolyte Substances 0.000 description 13
- 238000005259 measurement Methods 0.000 description 9
- 230000010287 polarization Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010206 sensitivity analysis Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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)
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 |
|---|---|
| DE3943346A1 DE3943346A1 (de) | 1990-07-05 |
| DE3943346C2 true DE3943346C2 (en, 2012) | 1992-07-23 |
Family
ID=18247670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3943346A Granted DE3943346A1 (de) | 1988-12-29 | 1989-12-29 | Vorrichtung zum messen der elektrischen leitfaehigkeit von fluessigkeiten |
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)
| 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 |
Family Cites Families (9)
| 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 |
| JP6360344B2 (ja) | 2014-04-18 | 2018-07-18 | 株式会社東芝 | 水車入口弁制御装置 |
-
1988
- 1988-12-29 JP JP63331790A patent/JPH0718903B2/ja not_active Expired - Fee Related
-
1989
- 1989-12-26 US US07/456,454 patent/US5138264A/en not_active Expired - Lifetime
- 1989-12-29 DE DE3943346A patent/DE3943346A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0718903B2 (ja) | 1995-03-06 |
| JPH02179480A (ja) | 1990-07-12 |
| US5138264A (en) | 1992-08-11 |
| DE3943346A1 (de) | 1990-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |