SE442783B - Kapacitiv metverdesupptagare - Google Patents
Kapacitiv metverdesupptagareInfo
- Publication number
- SE442783B SE442783B SE7810417A SE7810417A SE442783B SE 442783 B SE442783 B SE 442783B SE 7810417 A SE7810417 A SE 7810417A SE 7810417 A SE7810417 A SE 7810417A SE 442783 B SE442783 B SE 442783B
- Authority
- SE
- Sweden
- Prior art keywords
- metal tube
- cable
- recorder according
- probe electrode
- insulating body
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 37
- 239000000523 sample Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 230000001580 bacterial effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/268—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2744820A DE2744820C3 (de) | 1977-10-05 | 1977-10-05 | Kapazitiver Meßwertumformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7810417L SE7810417L (sv) | 1979-04-06 |
| SE442783B true SE442783B (sv) | 1986-01-27 |
Family
ID=6020728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7810417A SE442783B (sv) | 1977-10-05 | 1978-10-04 | Kapacitiv metverdesupptagare |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4245188A (de) |
| JP (2) | JPS5489660A (de) |
| CH (1) | CH634652A5 (de) |
| DE (1) | DE2744820C3 (de) |
| FR (1) | FR2405470A1 (de) |
| GB (1) | GB1586418A (de) |
| IT (1) | IT1099223B (de) |
| NL (1) | NL7809600A (de) |
| SE (1) | SE442783B (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2058364B (en) * | 1979-09-01 | 1983-03-23 | Ferranti Ltd | Capacitance measuring apparatus |
| US4399404A (en) * | 1981-02-23 | 1983-08-16 | Resh Roy E | Moisture tester with probe |
| JPS5852520A (ja) * | 1981-09-25 | 1983-03-28 | Tatsuno:Kk | 液量測定装置 |
| JPS5872772A (ja) * | 1981-10-27 | 1983-04-30 | Yamatake Honeywell Co Ltd | シリンダ−のピストン位置検出装置 |
| DE3328210C2 (de) * | 1983-08-04 | 1986-01-09 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Kapazitiver Sensor |
| AU5302186A (en) * | 1985-01-02 | 1986-07-29 | Richard L. Bireley | Soil moisture monitor |
| US4864857A (en) * | 1988-03-16 | 1989-09-12 | Koon Terry D | Level indicator |
| US5005407A (en) * | 1988-10-11 | 1991-04-09 | Level Electronics, Inc. | Fluid level sensing system |
| US4929885A (en) * | 1988-11-08 | 1990-05-29 | Troxler Electronic Laboratories, Inc. | Apparatus for measuring ground moisture content of soil |
| US4881873A (en) * | 1988-12-14 | 1989-11-21 | Altus Technology Corporation | Capacitance level sensor for a bilge pump |
| US5182545A (en) * | 1989-01-06 | 1993-01-26 | Standex International Corporation | Fluid level sensor having capacitive sensor |
| US4982606A (en) * | 1989-03-06 | 1991-01-08 | Raytheon Company | Fluid level sensor and controller |
| US5145323A (en) * | 1990-11-26 | 1992-09-08 | Tecumseh Products Company | Liquid level control with capacitive sensors |
| US5187979A (en) * | 1991-04-26 | 1993-02-23 | Edmark Iii Karl W | Multi-sensor probe assembly and method for fuel storage system including overflow protection means |
| US5293131A (en) * | 1992-09-04 | 1994-03-08 | Measurement Systems, Inc. | Capacitive probe for bore measurement |
| US5973415A (en) * | 1997-08-28 | 1999-10-26 | Kay-Ray/Sensall, Inc. | Capacitance level sensor |
| DE19756159C1 (de) * | 1997-12-17 | 1999-06-02 | Hiss Eckart | Sensor zur Erfassung des Vorhandenseins elektrisch isolierender Flüssigkeiten oder Granulate |
| EP0926474B1 (de) * | 1997-12-24 | 2010-12-08 | Endress + Hauser GmbH + Co. KG | Probe |
| SE522695C2 (sv) | 2000-11-17 | 2004-03-02 | Foss Tecator Ab | Metod och anordning för bildupptagning av små partiklar för analys av partiklarnas kvalitet |
| JP2002340653A (ja) * | 2001-05-15 | 2002-11-27 | Kyoto Platec:Kk | 静電容量式液面センサー |
| GB2458536A (en) * | 2008-03-28 | 2009-09-30 | Edward Jelonek | Submersible fluid level sensor |
| US7838859B2 (en) * | 2008-09-29 | 2010-11-23 | Scully Signal Company | Fluid overfill probe with thermal stress prevention |
| PT3781912T (pt) | 2018-04-18 | 2024-03-11 | Pitco Frialator Inc | Dispositivo de sensor capacitivo |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2836739A (en) * | 1956-04-10 | 1958-05-27 | Gilbert & Barker Mfg Co | Electronic level sensitive apparatus |
| US3262032A (en) * | 1964-04-01 | 1966-07-19 | Magnetic Instr Co Div Of Polym | Capacitance type, depth measuring apparatus for conductive liquids |
| GB1071656A (en) * | 1964-06-02 | 1967-06-07 | Mirko Machacek | Capacitive responsive apparatus |
| US3826980A (en) * | 1967-12-27 | 1974-07-30 | Pfaudler Werke Ag | Enameled electrical sensing probe |
| DE1673841C3 (de) * | 1968-03-18 | 1978-04-20 | Werner Dipl.-Ing. 6840 Lampertheim Schaller | Berührungsloser kapazitiver |
| US3909948A (en) * | 1974-02-04 | 1975-10-07 | Universal Oil Prod Co | Electronic water level indicator |
| US3870951A (en) * | 1974-03-06 | 1975-03-11 | Ontario Research Foundation | Moisture measuring probe |
| DE2448205C2 (de) * | 1974-10-09 | 1985-08-22 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Kapazitive Sonde |
| NO753056L (de) * | 1975-01-23 | 1976-07-26 | Gebhard Electro Bv |
-
1977
- 1977-10-05 DE DE2744820A patent/DE2744820C3/de not_active Expired
-
1978
- 1978-05-26 GB GB23516/78A patent/GB1586418A/en not_active Expired
- 1978-09-21 NL NL7809600A patent/NL7809600A/xx not_active Application Discontinuation
- 1978-09-27 US US05/946,365 patent/US4245188A/en not_active Expired - Lifetime
- 1978-09-29 IT IT28307/78A patent/IT1099223B/it active
- 1978-10-03 FR FR7828200A patent/FR2405470A1/fr active Granted
- 1978-10-04 CH CH1029578A patent/CH634652A5/de not_active IP Right Cessation
- 1978-10-04 SE SE7810417A patent/SE442783B/sv not_active IP Right Cessation
- 1978-10-05 JP JP12310378A patent/JPS5489660A/ja active Pending
-
1983
- 1983-07-14 JP JP1983108339U patent/JPS5952423U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7809600A (nl) | 1979-04-09 |
| GB1586418A (en) | 1981-03-18 |
| FR2405470B1 (de) | 1981-02-27 |
| IT7828307A0 (it) | 1978-09-29 |
| IT1099223B (it) | 1985-09-18 |
| JPS5952423U (ja) | 1984-04-06 |
| CH634652A5 (de) | 1983-02-15 |
| US4245188A (en) | 1981-01-13 |
| DE2744820C3 (de) | 1980-08-07 |
| DE2744820A1 (de) | 1979-04-19 |
| JPS5489660A (en) | 1979-07-16 |
| DE2744820B2 (de) | 1979-11-22 |
| FR2405470A1 (fr) | 1979-05-04 |
| SE7810417L (sv) | 1979-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7810417-1 Effective date: 19930510 Format of ref document f/p: F |