CA2323556A1 - Measurement of process product dielectric constant using a low power radar level transmitter - Google Patents

Measurement of process product dielectric constant using a low power radar level transmitter Download PDF

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Publication number
CA2323556A1
CA2323556A1 CA002323556A CA2323556A CA2323556A1 CA 2323556 A1 CA2323556 A1 CA 2323556A1 CA 002323556 A CA002323556 A CA 002323556A CA 2323556 A CA2323556 A CA 2323556A CA 2323556 A1 CA2323556 A1 CA 2323556A1
Authority
CA
Canada
Prior art keywords
product
pulse
transmitter
dielectric constant
circuitry
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
CA002323556A
Other languages
English (en)
French (fr)
Inventor
Kurt C. Diede
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.)
Rosemount Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2323556A1 publication Critical patent/CA2323556A1/en
Abandoned legal-status Critical Current

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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)
CA002323556A 1999-01-21 2000-01-18 Measurement of process product dielectric constant using a low power radar level transmitter Abandoned CA2323556A1 (en)

Applications Claiming Priority (3)

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
PCT/US2000/001087 WO2000043806A1 (en) 1999-01-21 2000-01-18 Measurement of process product dielectric constant using a low power radar level transmitter

Publications (1)

Publication Number Publication Date
CA2323556A1 true CA2323556A1 (en) 2000-07-27

Family

ID=22884157

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002323556A Abandoned CA2323556A1 (en) 1999-01-21 2000-01-18 Measurement of process product dielectric constant using a low power radar level transmitter

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)

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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

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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
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
RU2000126484A (ru) 2002-09-10
US6477474B2 (en) 2002-11-05
EP1066538A1 (en) 2001-01-10

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Legal Events

Date Code Title Description
FZDE Discontinued