FI982381A0 - Diagnostiikalla varustettu magneettinen virtausmittari - Google Patents

Diagnostiikalla varustettu magneettinen virtausmittari

Info

Publication number
FI982381A0
FI982381A0 FI982381A FI982381A FI982381A0 FI 982381 A0 FI982381 A0 FI 982381A0 FI 982381 A FI982381 A FI 982381A FI 982381 A FI982381 A FI 982381A FI 982381 A0 FI982381 A0 FI 982381A0
Authority
FI
Finland
Prior art keywords
diagnostics
magnetic flowmeter
flowmeter
magnetic
Prior art date
Application number
FI982381A
Other languages
English (en)
Swedish (sv)
Other versions
FI982381A (fi
Inventor
Peter B Lewis
Norman Fonteneau
Original Assignee
Foxboro Co
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 Foxboro Co filed Critical Foxboro Co
Publication of FI982381A0 publication Critical patent/FI982381A0/fi
Publication of FI982381A publication Critical patent/FI982381A/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
    • G01F1/60—Circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
FI982381A 1997-11-04 1998-11-03 Diagnostiikalla varustettu magneettinen virtausmittari FI982381A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/964,303 US6014902A (en) 1995-12-28 1997-11-04 Magnetic flowmeter with diagnostics

Publications (2)

Publication Number Publication Date
FI982381A0 true FI982381A0 (fi) 1998-11-03
FI982381A FI982381A (fi) 1999-05-05

Family

ID=25508380

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982381A FI982381A (fi) 1997-11-04 1998-11-03 Diagnostiikalla varustettu magneettinen virtausmittari

Country Status (4)

Country Link
US (1) US6014902A (fi)
EP (1) EP0915324B1 (fi)
CA (1) CA2252257A1 (fi)
FI (1) FI982381A (fi)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309308B (en) 1996-01-17 2000-12-06 Abb Kent Taylor Ltd Calibration of flow meters
GB2348012B (en) * 1996-01-17 2000-12-06 Abb Instrumentation Ltd Calibration of flow meters
US7630861B2 (en) * 1996-03-28 2009-12-08 Rosemount Inc. Dedicated process diagnostic device
US6017143A (en) 1996-03-28 2000-01-25 Rosemount Inc. Device in a process system for detecting events
US7949495B2 (en) * 1996-03-28 2011-05-24 Rosemount, Inc. Process variable transmitter with diagnostics
US6654697B1 (en) 1996-03-28 2003-11-25 Rosemount Inc. Flow measurement with diagnostics
US8290721B2 (en) * 1996-03-28 2012-10-16 Rosemount Inc. Flow measurement diagnostics
US6539267B1 (en) 1996-03-28 2003-03-25 Rosemount Inc. Device in a process system for determining statistical parameter
US6519546B1 (en) 1996-11-07 2003-02-11 Rosemount Inc. Auto correcting temperature transmitter with resistance based sensor
US6601005B1 (en) 1996-11-07 2003-07-29 Rosemount Inc. Process device diagnostics using process variable sensor signal
US6754601B1 (en) 1996-11-07 2004-06-22 Rosemount Inc. Diagnostics for resistive elements of process devices
US6611770B1 (en) 1998-12-10 2003-08-26 Rosemount Inc. Liquid conduction indication in a magnetic flowmeter
US6615149B1 (en) 1998-12-10 2003-09-02 Rosemount Inc. Spectral diagnostics in a magnetic flow meter
US6611775B1 (en) * 1998-12-10 2003-08-26 Rosemount Inc. Electrode leakage diagnostics in a magnetic flow meter
US7010459B2 (en) * 1999-06-25 2006-03-07 Rosemount Inc. Process device diagnostics using process variable sensor signal
US6505517B1 (en) 1999-07-23 2003-01-14 Rosemount Inc. High accuracy signal processing for magnetic flowmeter
US6701274B1 (en) 1999-08-27 2004-03-02 Rosemount Inc. Prediction of error magnitude in a pressure transmitter
US6556145B1 (en) 1999-09-24 2003-04-29 Rosemount Inc. Two-wire fluid temperature transmitter with thermocouple diagnostics
US6453272B1 (en) * 2000-02-28 2002-09-17 The Foxboro Company Spurious noise filter
US6629059B2 (en) 2001-05-14 2003-09-30 Fisher-Rosemount Systems, Inc. Hand held diagnostic and communication device with automatic bus detection
US6772036B2 (en) 2001-08-30 2004-08-03 Fisher-Rosemount Systems, Inc. Control system using process model
JP3915459B2 (ja) * 2001-09-20 2007-05-16 横河電機株式会社 電磁流量計
RU2324171C2 (ru) * 2003-07-18 2008-05-10 Роузмаунт Инк. Диагностика процесса
DE10335205A1 (de) * 2003-07-30 2005-02-17 Endress + Hauser Flowtec Ag, Reinach Verfahren zur magnetisch-induktiven Bestimmung der Durchflußrate eines Mediums
US7018800B2 (en) * 2003-08-07 2006-03-28 Rosemount Inc. Process device with quiescent current diagnostics
US7627441B2 (en) * 2003-09-30 2009-12-01 Rosemount Inc. Process device with vibration based diagnostics
US7523667B2 (en) * 2003-12-23 2009-04-28 Rosemount Inc. Diagnostics of impulse piping in an industrial process
US8112565B2 (en) * 2005-06-08 2012-02-07 Fisher-Rosemount Systems, Inc. Multi-protocol field device interface with automatic bus detection
US20070068225A1 (en) * 2005-09-29 2007-03-29 Brown Gregory C Leak detector for process valve
US7579947B2 (en) * 2005-10-19 2009-08-25 Rosemount Inc. Industrial process sensor with sensor coating detection
US7953501B2 (en) 2006-09-25 2011-05-31 Fisher-Rosemount Systems, Inc. Industrial process control loop monitor
CN101517377B (zh) † 2006-09-29 2012-05-09 罗斯蒙德公司 带有校验的磁流量计
DE102007014469A1 (de) 2007-03-22 2008-09-25 Endress + Hauser Flowtec Ag Verfahren zur vorausschauenden Wartung und/oder Verfahren zur Bestimmung der elektrischen Leitfähigkeit bei einem magnetischinduktiven Durchflussmessgerät
US8898036B2 (en) * 2007-08-06 2014-11-25 Rosemount Inc. Process variable transmitter with acceleration sensor
US7590511B2 (en) * 2007-09-25 2009-09-15 Rosemount Inc. Field device for digital process control loop diagnostics
US7921734B2 (en) * 2009-05-12 2011-04-12 Rosemount Inc. System to detect poor process ground connections
US9207670B2 (en) 2011-03-21 2015-12-08 Rosemount Inc. Degrading sensor detection implemented within a transmitter
US9052240B2 (en) 2012-06-29 2015-06-09 Rosemount Inc. Industrial process temperature transmitter with sensor stress diagnostics
US9602122B2 (en) 2012-09-28 2017-03-21 Rosemount Inc. Process variable measurement noise diagnostic
US9696188B2 (en) * 2013-03-14 2017-07-04 Rosemount Inc. Magnetic flowmeter with automatic adjustment based on sensed complex impedance

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834232A (en) * 1972-08-22 1974-09-10 Sybron Corp Electromagnetic flowmeter having self-cleaning electrodes
US3991612A (en) * 1975-10-14 1976-11-16 Fischer & Porter Co. Electromagnetic flowmeter usable in less-than full fluid lines
US4036052A (en) * 1976-07-30 1977-07-19 Fischer & Porter Co. Electromagnetic flowmeter usable in less-than-full fluid lines
US4503711A (en) * 1983-09-30 1985-03-12 Rosemount Inc. Travelling wave flowmeter
JPH01288724A (ja) * 1988-05-17 1989-11-21 Toshiba Corp 電磁流量計の電極汚れ検知装置
DE59008599D1 (de) * 1990-04-09 1995-04-06 Fischer & Porter Gmbh Schaltungsanordnung zur Messung des Stroms einer elektrische Ladungen enthaltenden Flüssigkeit.
DE4122225A1 (de) * 1991-07-04 1993-01-07 Fischer & Porter Gmbh Schaltungsanordnung zur ermittlung von fehlern in einer magnetisch-induktiven durchflussmessanordnung
DE4127694A1 (de) * 1991-08-21 1993-02-25 Fischer & Porter Gmbh Vorrichtung zur messung des stroms einer elektrische ladungen enthaltenden fluessigkeit
DK0535257T3 (da) * 1991-09-10 1995-09-11 Fischer & Porter Gmbh Indretning til måling af strømningshastigheden af en væske, som strømmer med en fri overflade langs en ledning
US5426984A (en) * 1993-09-02 1995-06-27 Rosemount Inc. Magnetic flowmeter with empty pipe detector
US5895864A (en) * 1995-12-28 1999-04-20 The Foxboro Company Magnetic flowmeter with empty tube detection

Also Published As

Publication number Publication date
FI982381A (fi) 1999-05-05
EP0915324A2 (en) 1999-05-12
US6014902A (en) 2000-01-18
EP0915324A3 (en) 1999-06-30
CA2252257A1 (en) 1999-05-04
EP0915324B1 (en) 2012-02-08

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