HU183510B - Capacitive level indicator - Google Patents

Capacitive level indicator

Info

Publication number
HU183510B
HU183510B HU811981A HU198181A HU183510B HU 183510 B HU183510 B HU 183510B HU 811981 A HU811981 A HU 811981A HU 198181 A HU198181 A HU 198181A HU 183510 B HU183510 B HU 183510B
Authority
HU
Hungary
Prior art keywords
level indicator
capacitive level
capacitive
indicator
level
Prior art date
Application number
HU811981A
Other languages
Hungarian (hu)
Inventor
Heino Zimmermann
Heinrich Hansemann
Otto Grunz
Original Assignee
Gerdts Gustav F Gmbh Co Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gerdts Gustav F Gmbh Co Kg filed Critical Gerdts Gustav F Gmbh Co Kg
Publication of HU183510B publication Critical patent/HU183510B/en

Links

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

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 Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
HU811981A 1980-07-11 1981-07-08 Capacitive level indicator HU183510B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3026342A DE3026342C2 (en) 1980-07-11 1980-07-11 Capacitive level probe

Publications (1)

Publication Number Publication Date
HU183510B true HU183510B (en) 1984-05-28

Family

ID=6106986

Family Applications (1)

Application Number Title Priority Date Filing Date
HU811981A HU183510B (en) 1980-07-11 1981-07-08 Capacitive level indicator

Country Status (9)

Country Link
JP (1) JPS5749815A (en)
DE (1) DE3026342C2 (en)
DK (1) DK149288C (en)
FR (1) FR2486652A1 (en)
GB (1) GB2079950B (en)
HU (1) HU183510B (en)
NO (1) NO812354L (en)
RO (1) RO81308B (en)
SE (1) SE8103036L (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118715C2 (en) * 1991-06-07 1995-02-23 Endress Hauser Gmbh Co Device for the electrically insulated and pressure-tight attachment of a probe electrode in the opening of a housing
DE4207396A1 (en) * 1992-03-09 1993-09-16 Gestra Ag Probe eg for monitoring liquid water in steam chamber
DE19507616B4 (en) * 1995-03-04 2007-02-01 Gestra Ag Probe for monitoring liquid with leakage protection
US6118282A (en) * 1995-12-19 2000-09-12 Endress & Hauser Gmbh & Co. Sensor apparatus
US5827985A (en) * 1995-12-19 1998-10-27 Endress + Hauser Gmbh + Co. Sensor apparatus for process measurement
US5661251A (en) * 1995-12-19 1997-08-26 Endress + Hauser Gmbh + Co. Sensor apparatus for process measurement
US5841666A (en) * 1995-12-21 1998-11-24 Endress + Hauser Gmbh + Co. Processor apparatus and method for a process measurement signal
US5884231A (en) * 1995-12-21 1999-03-16 Endress & Hauser Gmbh & Co. Processor apparatus and method for a process measurement signal
DE19756159C1 (en) * 1997-12-17 1999-06-02 Hiss Eckart Sensor for detecting presence of electrically insulating fluid or loose material
US6386055B1 (en) 1998-01-06 2002-05-14 Endress +Hauser Gmbh +Co. Sensor apparatus for transmitting electrical pulses from a signal line into and out of a vessel to measure a process variable—in order to be more informative
US6559657B1 (en) 1999-01-13 2003-05-06 Endress+Hauser Gmbh+Co. Probe mapping diagnostic methods
DE10003941A1 (en) * 2000-01-29 2001-08-09 Endress Hauser Gmbh Co Level measuring device
DE102005025576A1 (en) * 2005-06-03 2006-12-07 Gestra Ag Capacitive level probe
DE102014111905B3 (en) * 2014-08-20 2016-01-21 Endress + Hauser Gmbh + Co. Kg Reconditioning of coated sensors
EP3228997A1 (en) * 2016-04-08 2017-10-11 Sick Ag Sensor and process for venting an elongated probe
EP3457095B1 (en) 2017-09-15 2019-11-06 Sick AG Capacitive level sensor and method for measuring the filling level of a medium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744864B2 (en) * 1977-10-05 1979-10-18 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Device for fastening a probe in an opening of a container
DE2953267C2 (en) * 1979-11-23 1982-04-08 Gustav F. Gerdts GmbH & Co KG, 2800 Bremen Capacitive level probe

Also Published As

Publication number Publication date
DK149288C (en) 1986-11-03
GB2079950A (en) 1982-01-27
FR2486652B1 (en) 1985-04-12
JPS5749815A (en) 1982-03-24
FR2486652A1 (en) 1982-01-15
DK149288B (en) 1986-04-21
NO812354L (en) 1982-01-12
DK308381A (en) 1982-01-12
RO81308B (en) 1983-02-28
SE8103036L (en) 1982-01-12
RO81308A (en) 1983-02-15
DE3026342A1 (en) 1982-02-04
DE3026342C2 (en) 1982-04-22
GB2079950B (en) 1985-03-27

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee