AU2002216034A1 - Method and system for measuring levels - Google Patents

Method and system for measuring levels

Info

Publication number
AU2002216034A1
AU2002216034A1 AU2002216034A AU1603402A AU2002216034A1 AU 2002216034 A1 AU2002216034 A1 AU 2002216034A1 AU 2002216034 A AU2002216034 A AU 2002216034A AU 1603402 A AU1603402 A AU 1603402A AU 2002216034 A1 AU2002216034 A1 AU 2002216034A1
Authority
AU
Australia
Prior art keywords
measuring levels
levels
measuring
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
AU2002216034A
Inventor
Adrian Frick
Felix Raffalt
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.)
Vega Grieshaber KG
Original Assignee
Vega Grieshaber 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 Vega Grieshaber KG filed Critical Vega Grieshaber KG
Publication of AU2002216034A1 publication Critical patent/AU2002216034A1/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
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels
AU2002216034A 2000-11-14 2001-11-13 Method and system for measuring levels Abandoned AU2002216034A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10056353A DE10056353A1 (en) 2000-11-14 2000-11-14 Oscillator level measurement method for high temperature applications, involves exciting oscillator fork by oscillator circuit influenced by identifying element based on oscillator circuit parameters
DE10056353 2000-11-14
PCT/EP2001/013106 WO2002040950A1 (en) 2000-11-14 2001-11-13 Method and system for measuring levels

Publications (1)

Publication Number Publication Date
AU2002216034A1 true AU2002216034A1 (en) 2002-05-27

Family

ID=7663233

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002216034A Abandoned AU2002216034A1 (en) 2000-11-14 2001-11-13 Method and system for measuring levels

Country Status (7)

Country Link
US (1) US6642722B2 (en)
EP (1) EP1334337B1 (en)
CN (1) CN100414268C (en)
AU (1) AU2002216034A1 (en)
DE (2) DE10056353A1 (en)
HU (1) HU227096B1 (en)
WO (1) WO2002040950A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0009863D0 (en) * 2000-04-26 2000-06-07 Rogers Gary System for detecting skin malignancies
JP4044376B2 (en) * 2002-06-24 2008-02-06 株式会社ノーケン Temperature measurement method, object detection method and object detection apparatus for vibration type level sensor
DE10237931A1 (en) * 2002-08-14 2004-02-26 Endress + Hauser Gmbh + Co. Kg Fixed, filling level monitoring, density, and viscosity measurement device, comprises a vibrator fixed at a chosen level, with a microprocessor to control feedback electronics to provide a constant phase-frequency response
DE10242970A1 (en) * 2002-09-17 2004-04-01 Vega Grieshaber Kg Vibration level sensor compares mechanical oscillator amplitude and/or frequency with value and detects fault in mechanical oscillator if amplitude and/or frequency of value differs in defined manner
DE102004011377A1 (en) * 2004-03-05 2005-09-15 Endress + Hauser Gmbh + Co. Kg Assembly to monitor progress of industrial process in which medium is modified by physical or chemical process
US7146845B2 (en) 2004-03-24 2006-12-12 Vega Grieshaber Kg Method for operating tests of vibration level switch sensors and corresponding vibration level switch
DE102005020862A1 (en) * 2005-05-02 2006-11-09 Endress + Hauser Gmbh + Co. Kg Determining or monitoring process parameter of medium in container, by adjusting electronic component to give predetermined reference transfer function
DE102005036872B4 (en) * 2005-08-02 2016-03-24 Vega Grieshaber Kg Vibration-level level detection device and method for vibration-level level detection
DE102006020342A1 (en) 2006-04-28 2007-10-31 Endress + Hauser Gmbh + Co. Kg Measuring device for determining and/or monitoring e.g. fill level, of e.g. fluid, has microprocessor executing basic functions in inactive state and controlling sensor units in active state, and migrated from inactive into active states
US20090125948A1 (en) * 2007-11-12 2009-05-14 Cisco Technology, Inc. Communication Processing Based on Television Use
DE102011090015B4 (en) * 2011-12-28 2023-12-28 Endress+Hauser SE+Co. KG Device for determining and/or monitoring at least one process variable
US11566936B1 (en) 2016-02-12 2023-01-31 Munters Corporation Method and apparatus to non-intrusively measure the weight of loose bulk material within a rigid containing structure
DE102016111134A1 (en) 2016-06-17 2017-12-21 Endress+Hauser Gmbh+Co. Kg Vibronic sensor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4788466A (en) * 1987-11-09 1988-11-29 University Of Arkansas Piezoelectric sensor Q-loss compensation
EP0524275A1 (en) * 1991-02-12 1993-01-27 Krohne Messtechnik Gmbh & Co. Kg Electric circuit for a device for measuring the level in industrial tanks and the like
DE4232659C2 (en) * 1992-09-29 1996-07-25 Endress Hauser Gmbh Co Device for determining and / or monitoring a predetermined fill level in a container
DE4233185C1 (en) * 1992-10-02 1994-01-27 Endress Hauser Gmbh Co Device for determining and / or monitoring a predetermined fill level
DE4233188A1 (en) 1992-10-02 1994-04-07 Altmann Ernst Indicating panel for vehicles - uses display integral with windshield or rear window, and activated by keyboard
DE4402234C1 (en) * 1994-01-26 1995-04-20 Endress Hauser Gmbh Co Process and arrangement for determining and/or monitoring a predetermined filling level in a container
DE4439879C1 (en) * 1994-11-08 1996-02-01 Grieshaber Vega Kg Level sensor in form of vibration limit switch
US5895848A (en) * 1996-01-16 1999-04-20 Flowline Inc. Apparatus and method for level sensing in a container
DE59712962D1 (en) * 1997-04-30 2008-10-02 Endress & Hauser Gmbh & Co Kg Arrangement for detecting and / or monitoring a predetermined level in a container
DE19720519C2 (en) * 1997-05-16 2000-03-30 Pepperl & Fuchs Device for determining and / or monitoring a fill level of a medium in a container
DE19835370A1 (en) * 1998-08-05 2000-02-10 Grieshaber Vega Kg Method of functional monitoring of vibration level switches; involves oscillating oscillator at current tuning fork frequency and frequencies of redundant band filters

Also Published As

Publication number Publication date
US6642722B2 (en) 2003-11-04
HUP0301521A2 (en) 2003-09-29
EP1334337A1 (en) 2003-08-13
HU227096B1 (en) 2010-07-28
DE50114974D1 (en) 2009-08-20
CN100414268C (en) 2008-08-27
CN1484754A (en) 2004-03-24
US20020057094A1 (en) 2002-05-16
WO2002040950A1 (en) 2002-05-23
EP1334337B1 (en) 2009-07-08
DE10056353A1 (en) 2002-05-23
HUP0301521A3 (en) 2005-10-28

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