DE69026790T2 - Leitfähigkeitsmessgerät - Google Patents
LeitfähigkeitsmessgerätInfo
- Publication number
- DE69026790T2 DE69026790T2 DE69026790T DE69026790T DE69026790T2 DE 69026790 T2 DE69026790 T2 DE 69026790T2 DE 69026790 T DE69026790 T DE 69026790T DE 69026790 T DE69026790 T DE 69026790T DE 69026790 T2 DE69026790 T2 DE 69026790T2
- Authority
- DE
- Germany
- Prior art keywords
- measuring device
- conductivity measuring
- conductivity
- electrodes
- holding body
- 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
Links
- 239000011810 insulating material Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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 |
|---|---|---|---|
| JP1989126303U JPH084609Y2 (ja) | 1989-10-28 | 1989-10-28 | 導電率計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69026790D1 DE69026790D1 (de) | 1996-06-05 |
| DE69026790T2 true DE69026790T2 (de) | 1996-12-12 |
Family
ID=14931863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69026790T Expired - Fee Related DE69026790T2 (de) | 1989-10-28 | 1990-10-25 | Leitfähigkeitsmessgerät |
Country Status (4)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5266899A (en) * | 1992-01-31 | 1993-11-30 | Akzo N.V. | Salt analyzer switchably capable of employing contact and non-contact conductivity probes |
| JP2002296312A (ja) * | 2001-04-02 | 2002-10-09 | Samson Co Ltd | 電気伝導率センサ |
| US6573734B2 (en) | 2001-05-08 | 2003-06-03 | The Board Of Trustees Of The University Of Illinois | Integrated thin film liquid conductivity sensor |
| US6683464B2 (en) * | 2002-03-01 | 2004-01-27 | Kavlico Corporation | Stabilized conductivity sensing system |
| US9228965B2 (en) | 2010-08-22 | 2016-01-05 | Henny Penny Corporation | Systems and methods for single-sensor oil quality measurement |
| AU2011293534B2 (en) * | 2010-08-22 | 2015-04-30 | Henny Penny Corporation | Electrode unit for use in a fryer and fryer comprising a said electrode unit |
| CN103529088B (zh) * | 2013-09-29 | 2016-05-11 | 上海三信仪表厂 | 一种便携式酸碱浓度测量装置以及测量方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US993586A (en) * | 1908-09-11 | 1911-05-30 | William Pollard Digby | Method and apparatus for determining the amount of impurities in fluids. |
| GB869226A (en) * | 1956-08-17 | 1961-05-31 | Electronic Switchgear London L | Improvements in or relating to liquid conductivity measuring cells |
| US3025458A (en) * | 1959-04-07 | 1962-03-13 | Leeds & Northrup Co | Conductivity cells |
| US4365200A (en) * | 1980-07-14 | 1982-12-21 | Chemed Corporation | Self alarming four double electrodes conductivity cell |
| JPH0621016Y2 (ja) * | 1988-02-10 | 1994-06-01 | 横河電機株式会社 | 導電率計 |
-
1989
- 1989-10-28 JP JP1989126303U patent/JPH084609Y2/ja not_active Expired - Lifetime
-
1990
- 1990-10-25 EP EP90120498A patent/EP0426012B1/en not_active Expired - Lifetime
- 1990-10-25 DE DE69026790T patent/DE69026790T2/de not_active Expired - Fee Related
- 1990-10-26 US US07/603,794 patent/US5134376A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0365955U (US20050065096A1-20050324-C00034.png) | 1991-06-26 |
| US5134376A (en) | 1992-07-28 |
| JPH084609Y2 (ja) | 1996-02-07 |
| EP0426012B1 (en) | 1996-05-01 |
| EP0426012A3 (en) | 1993-01-13 |
| DE69026790D1 (de) | 1996-06-05 |
| EP0426012A2 (en) | 1991-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |