JPH0477854B2 - - Google Patents

Info

Publication number
JPH0477854B2
JPH0477854B2 JP59274608A JP27460884A JPH0477854B2 JP H0477854 B2 JPH0477854 B2 JP H0477854B2 JP 59274608 A JP59274608 A JP 59274608A JP 27460884 A JP27460884 A JP 27460884A JP H0477854 B2 JPH0477854 B2 JP H0477854B2
Authority
JP
Japan
Prior art keywords
frequency
signal
excitation
noise
electromagnetic 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
Application number
JP59274608A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61155820A (ja
Inventor
Toyofumi Tomita
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP59274608A priority Critical patent/JPS61155820A/ja
Priority to US06/810,260 priority patent/US4658653A/en
Publication of JPS61155820A publication Critical patent/JPS61155820A/ja
Publication of JPH0477854B2 publication Critical patent/JPH0477854B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
JP59274608A 1984-12-28 1984-12-28 電磁流量計 Granted JPS61155820A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59274608A JPS61155820A (ja) 1984-12-28 1984-12-28 電磁流量計
US06/810,260 US4658653A (en) 1984-12-28 1985-12-18 Electromagnetic flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59274608A JPS61155820A (ja) 1984-12-28 1984-12-28 電磁流量計

Publications (2)

Publication Number Publication Date
JPS61155820A JPS61155820A (ja) 1986-07-15
JPH0477854B2 true JPH0477854B2 (en]) 1992-12-09

Family

ID=17544102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59274608A Granted JPS61155820A (ja) 1984-12-28 1984-12-28 電磁流量計

Country Status (2)

Country Link
US (1) US4658653A (en])
JP (1) JPS61155820A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013536416A (ja) * 2010-08-11 2013-09-19 ローズマウント インコーポレイテッド ノイズ検出及びその回避

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589571B1 (fr) * 1985-10-31 1990-02-09 Sereg Soc Debitmetre electromagnetique a champ magnetique pulse
GB2186373B (en) * 1986-02-06 1990-06-06 Danfoss As Electromagnetic flowmeters and flowmetering methods
US4773274A (en) * 1987-03-03 1988-09-27 Yokogawa Electric Corporation Electromagnetic flow meter
JP2559522B2 (ja) * 1989-06-16 1996-12-04 株式会社日立製作所 電磁流量計
JP2545664B2 (ja) * 1991-11-20 1996-10-23 山武ハネウエル株式会社 電磁流量計
EP0543053B1 (de) * 1991-11-22 1995-07-19 Fischer & Porter GmbH Schaltungsanordnung für eine Vorrichtung zur Messung der Stärke des Stroms einer elektrische Ladungen enthaltenden Flüssigkeit
US5844143A (en) * 1992-04-17 1998-12-01 Kabushiki Kaisha Toshiba Electromagnetic flowmeter
US5388465A (en) * 1992-11-17 1995-02-14 Yamatake-Honeywell Co., Ltd. Electromagnetic flowmeter
DE4330290A1 (de) * 1993-09-07 1995-03-09 Fischer & Porter Gmbh Vorrichtung zur Messung des Stroms einer ein Meßrohr durchströmenden Flüssigkeit
DE4330291A1 (de) * 1993-09-07 1995-03-09 Fischer & Porter Gmbh Vorrichtung zur Messung des Stroms einer ein Meßrohr durchströmenden Flüssigkeit
US6845330B2 (en) * 2002-04-18 2005-01-18 Yamatake Corporation Electromagnetic flowmeter
EP1464929A3 (en) * 2003-04-02 2007-06-20 ABB Limited Electromagnetic flow meter
JP2011232136A (ja) 2010-04-27 2011-11-17 Yamatake Corp 電磁流量計
US10641627B2 (en) * 2013-12-20 2020-05-05 Rosemount Inc. Magnetic flowmeter with automatic operating setpoint selection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855858A (en) * 1973-08-01 1974-12-24 V Cushing Self synchronous noise rejection circuit for fluid velocity meter
JPS6055230A (ja) * 1983-09-06 1985-03-30 Yokogawa Hokushin Electric Corp 電磁流量計
JPS6056221A (ja) * 1983-09-07 1985-04-01 Yokogawa Hokushin Electric Corp 電磁流量計

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013536416A (ja) * 2010-08-11 2013-09-19 ローズマウント インコーポレイテッド ノイズ検出及びその回避

Also Published As

Publication number Publication date
JPS61155820A (ja) 1986-07-15
US4658653A (en) 1987-04-21

Similar Documents

Publication Publication Date Title
JPH0477854B2 (en])
US4969363A (en) Electromagnetic flowmeter capable of simultaneous measurement of flow rate and conductivity of fluid
KR100533619B1 (ko) 전자유량계
US3991612A (en) Electromagnetic flowmeter usable in less-than full fluid lines
JPS6166123A (ja) 電磁流量計変換器
US4227408A (en) Harmonic noise suppression in electromagnetic flowmeter
US4036052A (en) Electromagnetic flowmeter usable in less-than-full fluid lines
US4370892A (en) Electromagnetic flowmeter having noise suppression network
US4193298A (en) Excitation system for electromagnetic flowmeter
JPH0216974B2 (en])
JP2009121867A (ja) 電磁流量計
JPH0261689B2 (en])
JP2545664B2 (ja) 電磁流量計
US4296636A (en) Noise-reducing electrodes for electromagnetic flowmeter
JPH03122523A (ja) 電磁流量計
JPH0537217Y2 (en])
JP2734162B2 (ja) 電磁流量計
JP2854718B2 (ja) 電磁流量計
JPH04369434A (ja) 電磁流量計
JP3244361B2 (ja) 電磁流量計におけるノイズ除去方法と変換器
JP2619111B2 (ja) 電磁流量計
JP3969576B2 (ja) 電磁流量計
JPH1183571A (ja) 高速励磁用電磁流量計
JPH0541380Y2 (en])
JP2008286540A (ja) 電磁流量計

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees