GB9608532D0 - Flow meters - Google Patents

Flow meters

Info

Publication number
GB9608532D0
GB9608532D0 GBGB9608532.9A GB9608532A GB9608532D0 GB 9608532 D0 GB9608532 D0 GB 9608532D0 GB 9608532 A GB9608532 A GB 9608532A GB 9608532 D0 GB9608532 D0 GB 9608532D0
Authority
GB
United Kingdom
Prior art keywords
flow meters
meters
flow
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.)
Withdrawn
Application number
GBGB9608532.9A
Other versions
GB2300265A (en
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.)
FLOTEC UK Ltd
Original Assignee
FLOTEC UK 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 FLOTEC UK Ltd filed Critical FLOTEC UK Ltd
Publication of GB9608532D0 publication Critical patent/GB9608532D0/en
Publication of GB2300265A publication Critical patent/GB2300265A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G01F1/668—Compensating or correcting for variations in velocity of sound
    • 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
    • G01F15/061—Indicating or recording devices for remote indication
    • G01F15/063—Indicating or recording devices for remote indication using electrical means
    • 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
    • G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
    • G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
    • G01F15/0755—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means involving digital counting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
GB9608532A 1995-04-26 1996-04-25 Flowmeter Withdrawn GB2300265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9508422.4A GB9508422D0 (en) 1995-04-26 1995-04-26 Flow meters

Publications (2)

Publication Number Publication Date
GB9608532D0 true GB9608532D0 (en) 1996-07-03
GB2300265A GB2300265A (en) 1996-10-30

Family

ID=10773514

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9508422.4A Pending GB9508422D0 (en) 1995-04-26 1995-04-26 Flow meters
GB9608532A Withdrawn GB2300265A (en) 1995-04-26 1996-04-25 Flowmeter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9508422.4A Pending GB9508422D0 (en) 1995-04-26 1995-04-26 Flow meters

Country Status (1)

Country Link
GB (2) GB9508422D0 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0945714T3 (en) * 1998-03-17 2011-01-31 Endress & Hauser Deutschland Ag & Co Kg Electronic equipment for use in explosion-prone areas
FR2781565B1 (en) * 1998-07-24 2000-08-25 Inst Francais Du Petrole METHOD AND DEVICE FOR MEASURING THE FLOW SPEED OF A FLUID VEIN
JP2003508774A (en) 1999-09-07 2003-03-04 エンドレス ウント ハウザー ゲゼルシヤフト ミツト ベシユレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト Apparatus for calculating physical process variables of a medium
CN100402987C (en) * 2004-02-27 2008-07-16 富士电机系统株式会社 Ultrasonic flowmeter compatible with both of pulse doppler method and propagation time difference method, method and program for automatically selecting the measurement method in the flowmeter, and el
US8160535B2 (en) 2004-06-28 2012-04-17 Rosemount Inc. RF adapter for field device
US7262693B2 (en) 2004-06-28 2007-08-28 Rosemount Inc. Process field device with radio frequency communication
US7290455B2 (en) * 2005-08-22 2007-11-06 Daniel Measurement And Control, Inc. Driver configuration for an ultrasonic flow meter
GB2447490B (en) 2007-03-15 2009-05-27 Schlumberger Holdings Method and apparatus for investigating a gas-liquid mixture
CN101802562B (en) 2007-09-18 2013-06-12 普拉德研究及开发股份有限公司 Multiphase flow measurement
GB2454256B (en) 2007-11-03 2011-01-19 Schlumberger Holdings Determination of density and flowrate for metering a fluid flow
US8694270B2 (en) 2007-12-05 2014-04-08 Schlumberger Technology Corporation Ultrasonic clamp-on multiphase flowmeter
US8027794B2 (en) 2008-02-11 2011-09-27 Schlumberger Technology Corporaton System and method for measuring properties of liquid in multiphase mixtures
US7607358B2 (en) 2008-03-14 2009-10-27 Schlumberger Technology Corporation Flow rate determination of a gas-liquid fluid mixture
JP5554328B2 (en) 2008-06-17 2014-07-23 ローズマウント インコーポレイテッド RF adapter for field devices with intrinsically safe low voltage clamp circuit
CN102084626B (en) 2008-06-17 2013-09-18 罗斯蒙德公司 RF adapter for field device with loop current bypass
CN102067048B (en) 2008-06-17 2017-03-08 罗斯蒙特公司 For having the RF adapter of the field apparatus of variable-pressure drop
US10761524B2 (en) 2010-08-12 2020-09-01 Rosemount Inc. Wireless adapter with process diagnostics

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8516032D0 (en) * 1985-06-25 1985-07-31 Bestobell Sparling Ltd Fluid flow monitoring
DE3637689C1 (en) * 1986-11-05 1987-06-25 Bbc Brown Boveri & Cie Fiber optic data acquisition and transmission device
WO1992014227A1 (en) * 1991-02-12 1992-08-20 Rosemount Inc. Optical process variable transmitter
DE4240721A1 (en) * 1992-12-03 1994-06-16 Siemens Ag Measuring method and measuring device with analog optical signal transmission

Also Published As

Publication number Publication date
GB2300265A (en) 1996-10-30
GB9508422D0 (en) 1995-06-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)