CA2320435A1 - Low power radar level instrument with enhanced diagnostics - Google Patents

Low power radar level instrument with enhanced diagnostics Download PDF

Info

Publication number
CA2320435A1
CA2320435A1 CA002320435A CA2320435A CA2320435A1 CA 2320435 A1 CA2320435 A1 CA 2320435A1 CA 002320435 A CA002320435 A CA 002320435A CA 2320435 A CA2320435 A CA 2320435A CA 2320435 A1 CA2320435 A1 CA 2320435A1
Authority
CA
Canada
Prior art keywords
reflected
instrument
pulse
microwave
reflected wave
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
CA002320435A
Other languages
English (en)
French (fr)
Inventor
Kurt C. Diede
Eric R. Lovegren
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
Rosemount Inc
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 Rosemount Inc filed Critical Rosemount Inc
Publication of CA2320435A1 publication Critical patent/CA2320435A1/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA002320435A 1999-09-27 2000-09-21 Low power radar level instrument with enhanced diagnostics Abandoned CA2320435A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/407,041 1999-09-27
US09/407,041 US6295018B1 (en) 1999-09-27 1999-09-27 Low power radar level instrument with enhanced diagnostics

Publications (1)

Publication Number Publication Date
CA2320435A1 true CA2320435A1 (en) 2001-03-27

Family

ID=23610370

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002320435A Abandoned CA2320435A1 (en) 1999-09-27 2000-09-21 Low power radar level instrument with enhanced diagnostics

Country Status (5)

Country Link
US (1) US6295018B1 (https=)
JP (1) JP4723066B2 (https=)
CA (1) CA2320435A1 (https=)
DE (1) DE10047667B4 (https=)
GB (1) GB2355878B (https=)

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US9752918B2 (en) 2014-08-04 2017-09-05 Extron Company System for sensing flowable substrate levels in a storage unit
US10571326B2 (en) 2015-08-07 2020-02-25 Extron Company System for sensing substance levels in a storage unit
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US10677635B2 (en) * 2017-10-31 2020-06-09 Rosemount Tank Radar Ab Dielectric filling member with microwave absorbing element
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CN109520593A (zh) * 2018-11-27 2019-03-26 青岛大学 一种应用自动报警式导波雷达液位计的检测方法
US11079473B2 (en) 2019-04-01 2021-08-03 Abb Schweiz Ag Timing control circuit for guided wave radar level transmitter
US11193809B2 (en) 2019-04-01 2021-12-07 Abb Schweiz Ag Expert control systems and methods for level measurement
US11415451B2 (en) 2019-04-01 2022-08-16 Abb Schweiz Ag High and/or low energy system coupler
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Also Published As

Publication number Publication date
JP4723066B2 (ja) 2011-07-13
GB0023692D0 (en) 2000-11-08
DE10047667B4 (de) 2016-08-04
US6295018B1 (en) 2001-09-25
GB2355878B (en) 2001-11-14
JP2001133313A (ja) 2001-05-18
GB2355878A (en) 2001-05-02
DE10047667A1 (de) 2001-04-05

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Legal Events

Date Code Title Description
FZDE Discontinued