AU2002218183A1 - Method for detecting the limit state of a material, and device therefor - Google Patents

Method for detecting the limit state of a material, and device therefor

Info

Publication number
AU2002218183A1
AU2002218183A1 AU2002218183A AU1818302A AU2002218183A1 AU 2002218183 A1 AU2002218183 A1 AU 2002218183A1 AU 2002218183 A AU2002218183 A AU 2002218183A AU 1818302 A AU1818302 A AU 1818302A AU 2002218183 A1 AU2002218183 A1 AU 2002218183A1
Authority
AU
Australia
Prior art keywords
detecting
device therefor
limit state
limit
therefor
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
AU2002218183A
Inventor
Herrmann Best
Markus Hertel
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.)
Endress and Hauser SE and Co KG
Original Assignee
Endress and Hauser SE and 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
Priority claimed from DE20016962U external-priority patent/DE20016962U1/en
Application filed by Endress and Hauser SE and Co KG filed Critical Endress and Hauser SE and Co KG
Publication of AU2002218183A1 publication Critical patent/AU2002218183A1/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
    • G01F23/2845—Electromagnetic waves for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AU2002218183A 2000-09-27 2001-09-19 Method for detecting the limit state of a material, and device therefor Abandoned AU2002218183A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE20016962U DE20016962U1 (en) 2000-09-27 2000-09-27 Time-domain reflectometer for use as a limit switch to record the limit level of a good
DE20016962.9 2000-09-27
DE10115150.0 2001-03-27
DE10115150A DE10115150A1 (en) 2000-09-27 2001-03-27 Process for detecting the limit level of a good and device therefor
PCT/EP2001/010813 WO2002027349A2 (en) 2000-09-27 2001-09-19 Method for detecting the limit state of a material, and device therefor

Publications (1)

Publication Number Publication Date
AU2002218183A1 true AU2002218183A1 (en) 2002-04-08

Family

ID=26008927

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002218183A Abandoned AU2002218183A1 (en) 2000-09-27 2001-09-19 Method for detecting the limit state of a material, and device therefor

Country Status (6)

Country Link
EP (1) EP1322922A2 (en)
JP (1) JP2004519661A (en)
CN (1) CN1250944C (en)
AU (1) AU2002218183A1 (en)
CA (1) CA2423781C (en)
WO (1) WO2002027349A2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10360711A1 (en) 2003-12-19 2005-07-14 Endress + Hauser Gmbh + Co. Kg Level measuring device and method for level measurement and monitoring
DE102005057053A1 (en) 2005-11-30 2007-05-31 Vega Grieshaber Kg High frequency module for e.g. liquid level radar device, has tap for decoupling reference signal from transmission line, and delay unit arranged after tap for delaying transmission signal on its path to antenna or sensor
DE102007007024A1 (en) 2007-02-08 2008-08-21 KROHNE Meßtechnik GmbH & Co. KG Use of a working according to the radar level gauge
GB0822283D0 (en) * 2008-12-06 2009-01-14 Mobrey Ltd Improvements in or relating to level sensors
CN102735313B (en) * 2012-06-19 2014-07-30 郭云昌 Method for determining middle material level curve of continuous passive nuclear material level gage
DE102014103212A1 (en) * 2014-03-11 2015-09-17 Sick Ag Sensor and method for detecting an object located on a roller conveyor
DE102015100417A1 (en) * 2015-01-13 2016-07-14 Krohne Messtechnik Gmbh Method for determining the level of a medium in a container
DE102015100415A1 (en) * 2015-01-13 2016-07-14 Krohne Messtechnik Gmbh Device for determining the level of a medium
EP3054271B1 (en) * 2015-02-03 2017-06-28 VEGA Grieshaber KG Limit level switch with integrated position sensor
DE102015202448A1 (en) * 2015-02-11 2016-08-11 Vega Grieshaber Kg Evaluation procedure for a TDR limit switch
EP3258296B1 (en) 2016-06-14 2023-07-26 VEGA Grieshaber KG Reflection microwave barrier
JP6716791B2 (en) * 2016-11-11 2020-07-01 レオニ カーベル ゲーエムベーハー Method and measuring device for monitoring conductors
EP3527959B1 (en) * 2018-02-14 2023-11-08 VEGA Grieshaber KG Fill level radar with adhesion detector
DE102021201364A1 (en) * 2021-02-12 2022-08-18 Vega Grieshaber Kg Measuring device with position sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407369C2 (en) * 1994-03-05 1999-09-30 Grieshaber Vega Kg Method and circuit arrangement for measuring the transit time and their use
US5884231A (en) * 1995-12-21 1999-03-16 Endress & Hauser Gmbh & Co. Processor apparatus and method for a process measurement signal
US6085589A (en) * 1996-12-23 2000-07-11 Venture Measurement Company Llc Material level sensing system calibration
US5943908A (en) * 1997-09-08 1999-08-31 Teleflex Incorporated Probe for sensing fluid level
EP1128169A1 (en) * 1999-12-29 2001-08-29 Endress + Hauser GmbH + Co. Method and apparatus for determining a limit filling level of a product in a container

Also Published As

Publication number Publication date
CA2423781A1 (en) 2003-03-26
WO2002027349A2 (en) 2002-04-04
WO2002027349A3 (en) 2002-10-24
EP1322922A2 (en) 2003-07-02
JP2004519661A (en) 2004-07-02
CA2423781C (en) 2009-02-24
CN1466674A (en) 2004-01-07
CN1250944C (en) 2006-04-12

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