DE60123044D1 - Erkennen elektrischer verluste in einem magnetischen durchflussmesser - Google Patents

Erkennen elektrischer verluste in einem magnetischen durchflussmesser

Info

Publication number
DE60123044D1
DE60123044D1 DE60123044T DE60123044T DE60123044D1 DE 60123044 D1 DE60123044 D1 DE 60123044D1 DE 60123044 T DE60123044 T DE 60123044T DE 60123044 T DE60123044 T DE 60123044T DE 60123044 D1 DE60123044 D1 DE 60123044D1
Authority
DE
Germany
Prior art keywords
electrical losses
magnetic flowmeter
recognize electrical
recognize
flowmeter
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.)
Expired - Lifetime
Application number
DE60123044T
Other languages
English (en)
Other versions
DE60123044T2 (de
Inventor
P Coursolle
L Wehrs
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 DE60123044D1 publication Critical patent/DE60123044D1/de
Application granted granted Critical
Publication of DE60123044T2 publication Critical patent/DE60123044T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/032—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure affecting incoming signal, e.g. by averaging; gating undesired signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
    • G01D3/0365—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves the undesired influence being measured using a separate sensor, which produces an influence related signal
    • 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
    • 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
DE60123044T 2000-05-23 2001-05-22 Erkennen elektrischer leckverluste in einem magnetischen durchflussmesser Expired - Lifetime DE60123044T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US576719 2000-05-23
US09/576,719 US6611775B1 (en) 1998-12-10 2000-05-23 Electrode leakage diagnostics in a magnetic flow meter
PCT/US2001/040782 WO2001090704A2 (en) 2000-05-23 2001-05-22 Electrical leakage diagnostics in a magnetic flow meter

Publications (2)

Publication Number Publication Date
DE60123044D1 true DE60123044D1 (de) 2006-10-26
DE60123044T2 DE60123044T2 (de) 2007-04-26

Family

ID=24305683

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60123044T Expired - Lifetime DE60123044T2 (de) 2000-05-23 2001-05-22 Erkennen elektrischer leckverluste in einem magnetischen durchflussmesser

Country Status (5)

Country Link
US (1) US6611775B1 (de)
EP (1) EP1285237B1 (de)
JP (1) JP4593867B2 (de)
DE (1) DE60123044T2 (de)
WO (1) WO2001090704A2 (de)

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JP2003534543A (ja) 2003-11-18
EP1285237A2 (de) 2003-02-26
WO2001090704A2 (en) 2001-11-29
WO2001090704A3 (en) 2002-05-30
JP4593867B2 (ja) 2010-12-08
DE60123044T2 (de) 2007-04-26
US6611775B1 (en) 2003-08-26

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