JPS54173768U - - Google Patents

Info

Publication number
JPS54173768U
JPS54173768U JP1979064962U JP6496279U JPS54173768U JP S54173768 U JPS54173768 U JP S54173768U JP 1979064962 U JP1979064962 U JP 1979064962U JP 6496279 U JP6496279 U JP 6496279U JP S54173768 U JPS54173768 U JP S54173768U
Authority
JP
Japan
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.)
Pending
Application number
JP1979064962U
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 filed Critical
Publication of JPS54173768U publication Critical patent/JPS54173768U/ja
Pending legal-status Critical Current

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
    • G01F1/56—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
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/065—Indicating or recording devices with transmission devices, e.g. mechanical
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/068—Indicating or recording devices with electrical means
JP1979064962U 1972-05-26 1979-05-17 Pending JPS54173768U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25737872A 1972-05-26 1972-05-26

Publications (1)

Publication Number Publication Date
JPS54173768U true JPS54173768U (ja) 1979-12-07

Family

ID=22976063

Family Applications (2)

Application Number Title Priority Date Filing Date
JP48040761A Pending JPS4929676A (ja) 1972-05-26 1973-04-10
JP1979064962U Pending JPS54173768U (ja) 1972-05-26 1979-05-17

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP48040761A Pending JPS4929676A (ja) 1972-05-26 1973-04-10

Country Status (3)

Country Link
US (1) US3783687A (ja)
JP (2) JPS4929676A (ja)
DE (1) DE2326116A1 (ja)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034853A (ja) * 1973-07-31 1975-04-03
US3955413A (en) * 1974-03-27 1976-05-11 Steele James R Electrical system for electromagnetically measuring flow of fluid
JPS50138862A (ja) * 1974-04-24 1975-11-06
JPS5146972A (ja) * 1974-10-21 1976-04-22 Hokushin Electric Works Denjiryuryokei
DE2454469C3 (de) * 1974-11-16 1981-07-23 Fischer & Porter GmbH, 3400 Göttingen Induktiver Durchflußmesser
US3991612A (en) * 1975-10-14 1976-11-16 Fischer & Porter Co. Electromagnetic flowmeter usable in less-than full fluid lines
JPS5825965B2 (ja) * 1975-11-28 1983-05-31 横河電機株式会社 デンジリユウリヨウケイ
JPS5266452A (en) * 1975-11-29 1977-06-01 Hokushin Electric Works Signal converter
JPS5278468A (en) * 1975-12-25 1977-07-01 Kokusai Gijutsu Kaihatsu Kk Electromagnetic flowmeter
JPS5825966B2 (ja) * 1976-04-26 1983-05-31 横河電機株式会社 電磁流量計の励磁回路
US4036052A (en) * 1976-07-30 1977-07-19 Fischer & Porter Co. Electromagnetic flowmeter usable in less-than-full fluid lines
JPS53130069A (en) * 1977-04-20 1978-11-13 Toshiba Corp Electromagnetic flowmeter
JPS5412770A (en) * 1977-06-29 1979-01-30 Hokushin Electric Works Electromagnetic flowmwter
US4137766A (en) * 1977-08-08 1979-02-06 The Foxboro Company Integral field magnetic flowmeter
JPS5458051U (ja) * 1977-09-29 1979-04-21
DE2744845C3 (de) * 1977-10-05 1985-08-08 Flowtec AG, Reinach, Basel Verfahren zur Kompensation der elektrochemischen Störgleichspannung bei der magnetisch-induktiven Durchflußmessung mit periodisch umgepoltem magnetischem Gleichfeld
US4167871A (en) * 1978-06-02 1979-09-18 Fischer & Porter Co. Bi-directional electromagnetic flowmeter
US4204240A (en) * 1978-10-26 1980-05-20 Fischer & Porter Co. High-voltage impulse driver for electromagnetic flowmeter
US4227408A (en) * 1978-12-07 1980-10-14 Fischer & Porter Company Harmonic noise suppression in electromagnetic flowmeter
US4409846A (en) * 1979-02-08 1983-10-18 Aichi Tokei Denki Co., Ltd. Electromagnetic flow meter
US4325261A (en) * 1979-10-09 1982-04-20 Emerson Electric Co. Pulsed DC constant current magnetic flowmeter
US4303980A (en) * 1979-12-03 1981-12-01 Fischer & Porter Company Electromagnetic flowmeter system having automatically adjusted response characteristics
US4339958A (en) * 1980-02-21 1982-07-20 Fischer & Porter Co. Analog-to-digital converter for electromagnetic flowmeter
US4296636A (en) * 1980-05-22 1981-10-27 Fischer & Porter Co. Noise-reducing electrodes for electromagnetic flowmeter
US4357835A (en) * 1980-06-20 1982-11-09 Hokushin Electric Works, Ltd. Electromagnetic flowmeter in shielded lines
US4370892A (en) * 1980-07-10 1983-02-01 Fischer & Porter Co. Electromagnetic flowmeter having noise suppression network
DE3029791C3 (de) * 1980-08-06 1994-08-04 Aichi Tokei Denki Kk Elektromagnetischer Strömungsmesser
DE3204573A1 (de) * 1982-02-10 1983-08-18 Turbo-Werk Messtechnik GmbH, 5000 Köln Schaltungsanordnung zur erzeugung eines pulsierenden magnetischen feldes in der erregerspule eines induktiven durchflussmessers
US4462060A (en) * 1982-11-16 1984-07-24 Fischer & Porter Company Constant-current duty-cycle driver for electromagnetic flowmeter
US4672331A (en) * 1983-06-21 1987-06-09 Cushing Vincent J Signal conditioner for electromagnetic flowmeter
DE3334152A1 (de) * 1983-09-21 1985-04-04 Fischer & Porter GmbH, 3400 Göttingen Magnetisch induktiver durchflussmesser
US4680973A (en) * 1984-10-25 1987-07-21 Yokogawa Hokushin Electric Corporation Electromagnetic flow meter converter
US4658652A (en) * 1986-02-14 1987-04-21 Fischer & Porter Co. Electromagnetic flowmeter with capacitance type electrodes
US4727755A (en) * 1986-12-08 1988-03-01 Fischer & Porter Co. Electromagnetic flowmeter with alternating permanent magnet field
US5079957A (en) * 1989-09-20 1992-01-14 Rosemount Inc. Conversion circuit for an electromagnetic flow transmitter
DK0521169T3 (da) * 1991-06-08 1996-02-26 Flowtec Ag Elektromagnetisk flowmåler
US5844143A (en) * 1992-04-17 1998-12-01 Kabushiki Kaisha Toshiba Electromagnetic flowmeter
US5327076A (en) * 1992-09-17 1994-07-05 Micro Control Company Glitchless test signal generator
JP3117327B2 (ja) * 1993-06-21 2000-12-11 株式会社東芝 電磁流量計
US5426984A (en) * 1993-09-02 1995-06-27 Rosemount Inc. Magnetic flowmeter with empty pipe detector
US5883523A (en) * 1997-04-29 1999-03-16 Credence Systems Corporation Coherent switching power for an analog circuit tester
EP1125098B1 (en) 1998-09-29 2016-07-27 Scientific Generics Limited Magnetic flow meter
SE517922C2 (sv) * 2000-11-15 2002-08-06 Aake Stroemberg Förfarande och anordning för bestämning av hastigheten hos en fluid
US6708569B2 (en) * 2001-07-06 2004-03-23 Endress + Hauser Flowtec Ag Method of operating an electromagnetic flowmeter
JP2009121867A (ja) * 2007-11-13 2009-06-04 Yamatake Corp 電磁流量計
JP2015105929A (ja) * 2013-12-02 2015-06-08 株式会社東芝 電磁流量計
US10024707B2 (en) * 2016-02-17 2018-07-17 Schneider Electric Systems Usa, Inc. Electromagnetic flowmeter calibration verification

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2808723A (en) * 1953-11-09 1957-10-08 Vitro Corp Magnetic induction flowmeter
US3184966A (en) * 1961-07-13 1965-05-25 Avionics Res Products Corp Electromagnetic flowmeter
US3329018A (en) * 1964-06-10 1967-07-04 Nyegaard & Co As Device for electro-magnetic flow measurement
US3550446A (en) * 1969-02-28 1970-12-29 Nat Res Dev Electromagnetic flowmeters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ARCHIVE FUR TECHNISCHE MESSEN#M8=1971 *

Also Published As

Publication number Publication date
DE2326116A1 (de) 1973-12-06
US3783687A (en) 1974-01-08
JPS4929676A (ja) 1974-03-16

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