IT1145295B - CAPACITIVE PROBE FOR MEASURING THE FILLING LEVEL - Google Patents

CAPACITIVE PROBE FOR MEASURING THE FILLING LEVEL

Info

Publication number
IT1145295B
IT1145295B IT50220/80A IT5022080A IT1145295B IT 1145295 B IT1145295 B IT 1145295B IT 50220/80 A IT50220/80 A IT 50220/80A IT 5022080 A IT5022080 A IT 5022080A IT 1145295 B IT1145295 B IT 1145295B
Authority
IT
Italy
Prior art keywords
measuring
filling level
capacitive probe
capacitive
probe
Prior art date
Application number
IT50220/80A
Other languages
Italian (it)
Other versions
IT8050220A0 (en
Inventor
Helmut Willenbrock
Friedrich Schittek
Original Assignee
Gerdts Gustav F 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 Kg filed Critical Gerdts Gustav F Kg
Publication of IT8050220A0 publication Critical patent/IT8050220A0/en
Application granted granted Critical
Publication of IT1145295B publication Critical patent/IT1145295B/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
    • 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 Fluid Pressure (AREA)
IT50220/80A 1979-11-23 1980-11-21 CAPACITIVE PROBE FOR MEASURING THE FILLING LEVEL IT1145295B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2953267A DE2953267C2 (en) 1979-11-23 1979-11-23 Capacitive level probe

Publications (2)

Publication Number Publication Date
IT8050220A0 IT8050220A0 (en) 1980-11-21
IT1145295B true IT1145295B (en) 1986-11-05

Family

ID=6089935

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50220/80A IT1145295B (en) 1979-11-23 1980-11-21 CAPACITIVE PROBE FOR MEASURING THE FILLING LEVEL

Country Status (11)

Country Link
JP (1) JPS5687820A (en)
BE (1) BE886283A (en)
DE (1) DE2953267C2 (en)
DK (1) DK498580A (en)
ES (1) ES496512A0 (en)
FR (1) FR2470367A1 (en)
GB (1) GB2064128A (en)
IT (1) IT1145295B (en)
NL (1) NL8006169A (en)
PL (1) PL228011A1 (en)
SE (1) SE8008180L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026342C2 (en) * 1980-07-11 1982-04-22 Gustav F. Gerdts GmbH & Co KG, 2800 Bremen Capacitive level probe
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
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
US6118282A (en) * 1995-12-19 2000-09-12 Endress & Hauser Gmbh & Co. Sensor apparatus
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
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
DE102019102812A1 (en) * 2019-02-05 2020-08-06 Sick Ag Sensor for determining a process variable

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1148246A (en) * 1955-04-29 1957-12-05 Bendix Aviat Corp Condenser for liquid level gauging
DE1912681C3 (en) * 1969-03-13 1973-07-12 Lucas Industries Ltd Radial piston pump

Also Published As

Publication number Publication date
ES8501877A1 (en) 1981-12-16
NL8006169A (en) 1981-06-16
FR2470367A1 (en) 1981-05-29
GB2064128A (en) 1981-06-10
SE8008180L (en) 1981-05-24
DE2953267C2 (en) 1982-04-08
PL228011A1 (en) 1981-08-21
DK498580A (en) 1981-05-24
DE2953267A1 (en) 1981-06-11
ES496512A0 (en) 1981-12-16
IT8050220A0 (en) 1980-11-21
BE886283A (en) 1981-03-16
JPS5687820A (en) 1981-07-16

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