AU3953700A - Method and device for measuring a filling level with a combined gamma ray/ capacitance sensor - Google Patents

Method and device for measuring a filling level with a combined gamma ray/ capacitance sensor

Info

Publication number
AU3953700A
AU3953700A AU39537/00A AU3953700A AU3953700A AU 3953700 A AU3953700 A AU 3953700A AU 39537/00 A AU39537/00 A AU 39537/00A AU 3953700 A AU3953700 A AU 3953700A AU 3953700 A AU3953700 A AU 3953700A
Authority
AU
Australia
Prior art keywords
measuring
gamma ray
capacitance sensor
filling level
combined gamma
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.)
Abandoned
Application number
AU39537/00A
Inventor
Anthony Byatt
Thomas Kleiner
Daniel Matter
Philippe Pretre
Walter Ruegg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Research Ltd Sweden
Original Assignee
ABB Research Ltd Sweden
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 ABB Research Ltd Sweden filed Critical ABB Research Ltd Sweden
Publication of AU3953700A publication Critical patent/AU3953700A/en
Abandoned legal-status Critical Current

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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/288—X-rays; Gamma rays or other forms of ionising radiation
    • 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
    • G01F23/14—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 measurement of pressure
    • G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
    • G01F23/162—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid by a liquid column

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Radiation (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AU39537/00A 1999-05-14 2000-05-01 Method and device for measuring a filling level with a combined gamma ray/ capacitance sensor Abandoned AU3953700A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19922381 1999-05-14
DE1999122381 DE19922381A1 (en) 1999-05-14 1999-05-14 Method and device for measuring levels with a gamma-ray capacity multi-purpose sensor incorporates a gamma-ray sensor and a capacity sensor for localizing barrier films between gas, oil and water.
PCT/CH2000/000240 WO2000070314A1 (en) 1999-05-14 2000-05-01 Method and device for measuring a filling level with a combined gamma ray/ capacitance sensor

Publications (1)

Publication Number Publication Date
AU3953700A true AU3953700A (en) 2000-12-05

Family

ID=7908156

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39537/00A Abandoned AU3953700A (en) 1999-05-14 2000-05-01 Method and device for measuring a filling level with a combined gamma ray/ capacitance sensor

Country Status (3)

Country Link
AU (1) AU3953700A (en)
DE (1) DE19922381A1 (en)
WO (1) WO2000070314A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008003622A1 (en) * 2008-01-09 2009-07-16 Marquardt Gmbh Sensor for e.g. washing machine, has flow rate and temperature electric converter elements provided as parts of measuring components for converting parameters into electrical signals, where elements are accommodated in individual carrier
GB0817107D0 (en) 2008-09-18 2008-10-29 Johnson Matthey Plc Level measurement system
GB201215920D0 (en) 2012-09-06 2012-10-24 Johnson Matthey Plc Radiation detector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135838C2 (en) * 1981-09-10 1984-03-08 Nukem Gmbh, 6450 Hanau Method for level measurement of tubes or sleeves filled with powders or liquids
US4817021A (en) * 1985-01-24 1989-03-28 Commonwealth Scientific And Industrial Research Organisation Moisture and density determination
US4819483A (en) * 1987-03-26 1989-04-11 Custom Controls Co., Inc. Level indicator control system for use with capacitance probes in tanks containing substances
AT391763B (en) * 1988-09-13 1990-11-26 Bender & Co Gmbh DEVICE FOR MEASURING THE ACTIVITY AND VOLUME OF RADIOACTIVE LIQUIDS
DE19713267A1 (en) * 1997-01-28 1998-07-30 Abb Research Ltd Method for determining the dielectric constant and / or the conductivity of at least one medium and device for carrying out the method
DE19722837A1 (en) * 1997-05-30 1998-12-03 Abb Research Ltd Method and device for level measurement with gamma emitters and a virtual linear detector arrangement
SE9703360D0 (en) * 1997-09-17 1997-09-17 Btg Kaelle Inventing Ab Method and apparatus for determining the level of a liquid in a container

Also Published As

Publication number Publication date
WO2000070314A1 (en) 2000-11-23
DE19922381A1 (en) 2000-11-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase