RU2000126484A - Измерение диэлектрической проницаемости получаемого в процессе продукта с использованием передатчика уровня на основе маломощного радара - Google Patents

Измерение диэлектрической проницаемости получаемого в процессе продукта с использованием передатчика уровня на основе маломощного радара

Info

Publication number
RU2000126484A
RU2000126484A RU2000126484/09A RU2000126484A RU2000126484A RU 2000126484 A RU2000126484 A RU 2000126484A RU 2000126484/09 A RU2000126484/09 A RU 2000126484/09A RU 2000126484 A RU2000126484 A RU 2000126484A RU 2000126484 A RU2000126484 A RU 2000126484A
Authority
RU
Russia
Prior art keywords
product
pulse
dielectric constant
transmitter
low
Prior art date
Application number
RU2000126484/09A
Other languages
English (en)
Russian (ru)
Inventor
Курт К. ДАЙД (US)
Курт К. ДАЙД
Original Assignee
Роузмаунт Инк. (US)
Роузмаунт Инк.
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 Роузмаунт Инк. (US), Роузмаунт Инк. filed Critical Роузмаунт Инк. (US)
Publication of RU2000126484A publication Critical patent/RU2000126484A/ru

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Radar Systems Or Details Thereof (AREA)
RU2000126484/09A 1999-01-21 2000-01-18 Измерение диэлектрической проницаемости получаемого в процессе продукта с использованием передатчика уровня на основе маломощного радара RU2000126484A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/235,114 1999-01-21
US09/235,114 US6477474B2 (en) 1999-01-21 1999-01-21 Measurement of process product dielectric constant using a low power radar level transmitter

Publications (1)

Publication Number Publication Date
RU2000126484A true RU2000126484A (ru) 2002-09-10

Family

ID=22884157

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000126484/09A RU2000126484A (ru) 1999-01-21 2000-01-18 Измерение диэлектрической проницаемости получаемого в процессе продукта с использованием передатчика уровня на основе маломощного радара

Country Status (10)

Country Link
US (1) US6477474B2 (enExample)
EP (1) EP1066538B1 (enExample)
JP (1) JP4282240B2 (enExample)
CN (1) CN1227540C (enExample)
AU (1) AU3471300A (enExample)
BR (1) BR0004310A (enExample)
CA (1) CA2323556A1 (enExample)
DE (1) DE60027644T2 (enExample)
RU (1) RU2000126484A (enExample)
WO (1) WO2000043806A1 (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7542866B1 (en) 1999-01-21 2009-06-02 Rosemount Inc. Threshold setting for a radar level transmitter
US6782328B2 (en) * 1999-01-21 2004-08-24 Rosemount Inc. Measurement of concentration of material in a process fluid
US6701783B2 (en) * 2000-09-12 2004-03-09 Vega Grieshaber Kg Device and a process for determining the positions of border areas between different mediums
DE10044888A1 (de) * 2000-09-12 2002-04-04 Grieshaber Vega Kg Vorrichtung und Verfahren zur Ermittlung der Positionen der Grenzflächen unterschiedlicher Medien
EP1412710B1 (de) * 2001-07-27 2015-09-02 Endress + Hauser GmbH + Co. KG Verfahren zur auswertung von messsignalen eines nach dem lautzeitprinzip arbeitenden messgerätes
AU2002323311B2 (en) 2001-08-24 2008-01-31 Rhino Analytics, L.L.C. Ultra-wide band pulse dispersion spectrometry method and apparatus providing multi-component composition analysis
WO2004023086A1 (en) * 2002-09-09 2004-03-18 Robertshaw Industrial Products Division Interface detection using time domain reflectometry with two separate conductive elements
US7031856B2 (en) * 2003-02-05 2006-04-18 Northrop Grumman Corporation Automatic wire dielectric analyzer
DE20321802U1 (de) * 2003-10-02 2010-04-15 imko Intelligente Micromodule Köhler GmbH Anordnung, insbesondere zur Ermittlung der Materialfeuchte eines Mediums
US6940446B2 (en) * 2003-10-08 2005-09-06 David B. Cist System and methods for obtaining ground conductivity information using GPR data
US6988404B2 (en) 2003-12-11 2006-01-24 Ohmart/Vega Corporation Apparatus for use in measuring fluid levels
US7330803B2 (en) * 2005-06-22 2008-02-12 Ametek, Inc. High resolution time interval measurement apparatus and method
DE102006045711A1 (de) * 2006-09-27 2008-04-03 Siemens Ag Verfahren zur Unterscheidung unterschiedlicher Füllmaterialien mittels Mikrowellenmessung
US8746045B2 (en) * 2006-11-17 2014-06-10 Meggitt (Orange County), Inc. System and method for identifying fluids and monitoring fluid quality in a vessel
US20080129583A1 (en) * 2006-12-01 2008-06-05 Lars Ove Larsson Radar level detector
DE102007061574A1 (de) * 2007-12-18 2009-06-25 Endress + Hauser Gmbh + Co. Kg Verfahren zur Füllstandsmessung
US8044838B1 (en) * 2008-08-13 2011-10-25 The Boeing Company Methods and systems for determining the phase constant for a dielectric medium
US9229102B1 (en) * 2009-12-18 2016-01-05 L-3 Communications Security And Detection Systems, Inc. Detection of movable objects
NO331262B1 (no) * 2010-04-12 2011-11-14 Kongsberg Maritime As Metode og apparat for å måle tettheten til en væske
US20120256640A1 (en) * 2011-04-07 2012-10-11 Boris Leonid Sheikman Apparatus and methods for use in determining the presence of materials entrained within a medium
EP2527801B1 (de) 2011-05-27 2019-12-11 VEGA Grieshaber KG Vorrichtung und Verfahren zur Ermittlung von Medien- und Behältereigenschaften
EP2527802B1 (de) 2011-05-27 2019-12-18 VEGA Grieshaber KG Vorrichtung und Verfahren zur Ermittlung von Medien- und Behältereigenschaften
EP2527805B1 (de) 2011-05-27 2022-11-30 VEGA Grieshaber KG Auswertevorrichtung und Verfahren zum Bestimmen einer Kenngröße für die Lage einer Grenzfläche in einem Behälter
US8756992B2 (en) * 2011-09-14 2014-06-24 Alstom Technology Ltd Level detector for measuring foam and aerated slurry level in a wet flue gas desulfurization absorber tower
CA2859984C (en) 2011-12-22 2017-06-13 Mark S. Schumacher Two-wire process variable indicator with microencapsulated electrophoretic display
US20130222172A1 (en) * 2012-02-28 2013-08-29 L-3 Communications Cyterra Corporation Determining penetrability of a barrier
DE102012105281A1 (de) * 2012-06-18 2013-12-19 Endress + Hauser Gmbh + Co. Kg Füllstandsmessgerät und Vorrichtung zur Bestimmung der Dielektrizitätszahl
EP3296736B1 (en) 2016-09-20 2019-05-22 SP Technical Research Institute Of Sweden Method and system for measuring the energy content of gas
DE102017108702A1 (de) * 2017-04-24 2018-10-25 Krohne S. A. S. Verfahren zur Bestimmung des Füllstandes und Füllstandmessgerät
CN109490342B (zh) * 2018-11-13 2020-09-11 中国科学院沈阳自动化研究所 一种基于导波雷达液位计评估液体介电常数的方法
CN113552421B (zh) * 2021-09-23 2021-12-31 深圳飞骧科技股份有限公司 基于脉冲技术的宽带介电常数测量系统及方法
EP4579227A1 (en) * 2022-08-23 2025-07-02 META - Soluçôes Em Segurança Ltda. Device for comparing the pattern of dielectric materials using an antipodal vivaldi antenna with an exponential edge

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832900A (en) 1971-06-28 1974-09-03 Sperry Rand Corp Apparatus and method for measuring the level of a contained liquid
IT961071B (it) * 1971-09-04 1973-12-10 Cnen Sonda ed installazione per la misura di livelli di interfacce di fluidi e delle costanti dielettri che degli stessi
DE2235318C3 (de) 1972-07-19 1980-02-14 Ito-Patent Ag, Zuerich (Schweiz) Verfahren zur opto-elektronischen Messung der Entfernung und der Höhendifferenz und Anordnung zur Durchführung des Verfahrens
US3853005A (en) * 1973-08-29 1974-12-10 Measurand Syst Interface measuring apparatus
US4044355A (en) 1973-11-20 1977-08-23 Saab-Scania Aktiebolag Measurement of contents of tanks etc. with microwave radiations
US3995212A (en) 1975-04-14 1976-11-30 Sperry Rand Corporation Apparatus and method for sensing a liquid with a single wire transmission line
US4435709A (en) 1981-05-26 1984-03-06 Rca Corporation Radar ranging system for use with sloping target
US4489601A (en) 1983-07-18 1984-12-25 Sperry Corporation Apparatus and method of measuring the level of a liquid
JPH0621919B2 (ja) * 1985-03-28 1994-03-23 富士写真フイルム株式会社 ハロゲン化銀写真感光材料
US4838690A (en) 1988-04-12 1989-06-13 Sumitomo Electric Fiber Optics Corporation Simultaneous bi-directional optical time domain reflectometry method
DE3812293A1 (de) 1988-04-13 1989-10-26 Endress Hauser Gmbh Co Fuellstandsmessgeraet
US5157337A (en) 1990-10-03 1992-10-20 The United States Of America As Represented By The Secretary Of The Navy Dielectric constant measurement probe assembly and apparatus and method
EP0524275A1 (de) 1991-02-12 1993-01-27 Krohne Messtechnik Gmbh & Co. Kg Elektrische schaltung für ein gerät zur füllstandmessung von industrietanks u. dgl.
US5313168A (en) * 1991-11-06 1994-05-17 Mitsubishi Denki Kabushiki Kaisha Apparatus for detecting fuel dielectric constant
JP3094183B2 (ja) * 1992-05-11 2000-10-03 セイコーインスツルメンツ株式会社 誘電率測定装置
GB9211086D0 (en) 1992-05-23 1992-07-15 Cambridge Consultants Short range electromagnetic sensing signal processing
US5376888A (en) 1993-06-09 1994-12-27 Hook; William R. Timing markers in time domain reflectometry systems
DE4345242A1 (de) 1993-09-15 1995-04-06 Endress Hauser Gmbh Co Frequenzumsetzungsschaltung für ein Radar-Abstandsmeßgerät
US5440310A (en) 1994-02-14 1995-08-08 Motorola, Inc. Bandwidth synthesized radar level measurement method and apparatus
US5610611A (en) 1994-12-19 1997-03-11 The Regents Of The University Of California High accuracy electronic material level sensor
US5609059A (en) 1994-12-19 1997-03-11 The Regents Of The University Of California Electronic multi-purpose material level sensor
US5661251A (en) 1995-12-19 1997-08-26 Endress + Hauser Gmbh + Co. Sensor apparatus for process measurement
US5656774A (en) 1996-06-04 1997-08-12 Teleflex Incorporated Apparatus and method for sensing fluid level
US5811677A (en) * 1996-10-07 1998-09-22 Bindicator Company Material interface level sensing
DE19723646C2 (de) 1997-06-05 1999-07-29 Endress Hauser Gmbh Co Verfahren zur Messung des Füllstands eines Füllguts in einem Behälter nach dem Radarprinzip
DE19723978C2 (de) 1997-06-06 1999-03-25 Endress Hauser Gmbh Co Verfahren zur Messung des Füllstands eines Füllguts in einem Behälter nach dem Radarprinzip
US5898308A (en) * 1997-09-26 1999-04-27 Teleflex Incorporated Time-based method and device for determining the dielectric constant of a fluid
DE19810601A1 (de) 1998-03-12 1999-09-16 Daimler Benz Aerospace Ag Anordnung zur Füllstandsmessung
US6130637A (en) 1998-08-18 2000-10-10 Usx Corporation Measuring the thickness of hot slag in steelmaking
US6166681A (en) 1998-08-18 2000-12-26 Usx Corporation Measuring the thickness of materials
US6198424B1 (en) * 1999-01-21 2001-03-06 Rosemount Inc. Multiple process product interface detection for a low power radar level transmitter

Also Published As

Publication number Publication date
CN1227540C (zh) 2005-11-16
JP4282240B2 (ja) 2009-06-17
JP2002535660A (ja) 2002-10-22
WO2000043806A1 (en) 2000-07-27
CN1293761A (zh) 2001-05-02
AU3471300A (en) 2000-08-07
CA2323556A1 (en) 2000-07-27
DE60027644D1 (de) 2006-06-08
US20020143500A1 (en) 2002-10-03
BR0004310A (pt) 2000-11-21
EP1066538B1 (en) 2006-05-03
DE60027644T2 (de) 2007-04-12
US6477474B2 (en) 2002-11-05
EP1066538A1 (en) 2001-01-10

Similar Documents

Publication Publication Date Title
RU2000126484A (ru) Измерение диэлектрической проницаемости получаемого в процессе продукта с использованием передатчика уровня на основе маломощного радара
US7233278B2 (en) Radar level gauge with switch for selecting transmitter or receiver mode
EP1562051B1 (en) Method for determining a level of material with a two-wire radar sensor
EP2748629B1 (en) Mfpw radar level gauging with distance approximation
EP2026046B1 (en) Radar level gauge with variable pulse parameters
JP3839056B2 (ja) ２線式レベル送信機
US6295874B1 (en) Apparatus for determining a physical process variable of a medium
US6122602A (en) Method and arrangement for electromagnetic wave distance measurement by the pulse transit time method
JP2002535641A (ja) 低電力レーダー式レベル伝送器のための複数プロセス製品の界面検出
RU98100234A (ru) Передатчик уровня
US8130139B2 (en) Radar-based method for measuring a level of material in a container
US20140085132A1 (en) Radar level gauging using frequency modulated pulsed wave
EP0949193A3 (en) Lift cylinder and mast assembly of forklift
US7542866B1 (en) Threshold setting for a radar level transmitter
US7131325B2 (en) Radar level gauge system with intermittent amplification
EP1946051B1 (en) Radar level gauge with variable transmission power
US7098843B2 (en) Automatic sensitivity control for radar level gauges
AU712439B2 (en) Radar proximity detector
JP3695650B2 (ja) 物体検知装置
RU2000126482A (ru) Обнаружение поверхностей раздела нескольких продуктов процесса для датчика уровня с радиолокатором малой мощности
MXPA00008718A (en) Measurement of process product dielectric constant using a low power radar level transmitter
JPH0519051A (ja) 超音波式距離測定装置
MXPA00008568A (es) Deteccion de interfase de producto de multiples procesos para un transmisor a nivel radar de baja potencia

Legal Events

Date Code Title Description
FA93 Acknowledgement of application withdrawn (no request for examination)

Effective date: 20080411