WO1997046851A3 - Method for calibrating a flow measuring system - Google Patents

Method for calibrating a flow measuring system Download PDF

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Publication number
WO1997046851A3
WO1997046851A3 PCT/US1997/008193 US9708193W WO9746851A3 WO 1997046851 A3 WO1997046851 A3 WO 1997046851A3 US 9708193 W US9708193 W US 9708193W WO 9746851 A3 WO9746851 A3 WO 9746851A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid flow
conversion apparatus
electrical output
electronic conversion
calibrating
Prior art date
Application number
PCT/US1997/008193
Other languages
French (fr)
Other versions
WO1997046851A2 (en
Inventor
Eugene Shanahan
John Everett Garnett
Robert James Gray
Gabriel Dragnea
Original Assignee
Dieterich Technology Holding C
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 Dieterich Technology Holding C filed Critical Dieterich Technology Holding C
Priority to JP50059198A priority Critical patent/JP3583787B2/en
Priority to AU33679/97A priority patent/AU722122B2/en
Priority to BRPI9709309-2A priority patent/BR9709309B1/en
Priority to CA002247407A priority patent/CA2247407C/en
Publication of WO1997046851A2 publication Critical patent/WO1997046851A2/en
Publication of WO1997046851A3 publication Critical patent/WO1997046851A3/en

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
    • G01F1/05—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 mechanical effects
    • G01F1/34—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 mechanical effects by measuring pressure or differential pressure
    • G01F1/50—Correcting or compensating means

Abstract

In a flow measurement system (11) comprising a primary flow sensor (10) and a secondary electronic conversion apparatus for converting high and low fluid pressure signals from the primary flow sensor to an electronic signal output representative of fluid flow, a process for calibrating the system as an integral unit, comprising the steps of applying a plurality of known reference fluid flow rates to the primary flow sensor over the system's operative range of flow conditions, sensing the electrical output of the secondary electronic conversion apparatus for each of the said plurality of reference fluid flow rates, establishing a correction factor for each of said values of electrical output which will tend to linearize the relationship between fluid flow rate and the electrical output of the measuring system, and storing the correction factors in non-volatile memory in a microprocessor which is part of the secondary electronic conversion apparatus.
PCT/US1997/008193 1996-05-17 1997-05-15 Method for calibrating a flow measuring system WO1997046851A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50059198A JP3583787B2 (en) 1996-05-17 1997-05-15 Method for calibrating a differential pressure fluid flow measurement system
AU33679/97A AU722122B2 (en) 1996-05-17 1997-05-15 Method for calibrating a differential pressure fluid flow measuring system
BRPI9709309-2A BR9709309B1 (en) 1996-05-17 1997-05-15 process for calibrating a differential pressure fluid flow measurement system.
CA002247407A CA2247407C (en) 1996-05-17 1997-05-15 Method for calibrating a differential pressure fluid flow measuring system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/650,140 1996-05-17
US08/650,140 US5710370A (en) 1996-05-17 1996-05-17 Method for calibrating a differential pressure fluid flow measuring system

Publications (2)

Publication Number Publication Date
WO1997046851A2 WO1997046851A2 (en) 1997-12-11
WO1997046851A3 true WO1997046851A3 (en) 1998-02-12

Family

ID=24607651

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/008193 WO1997046851A2 (en) 1996-05-17 1997-05-15 Method for calibrating a flow measuring system

Country Status (12)

Country Link
US (1) US5710370A (en)
EP (1) EP0807804A3 (en)
JP (1) JP3583787B2 (en)
CN (1) CN1128989C (en)
AR (1) AR007161A1 (en)
AU (1) AU722122B2 (en)
BR (1) BR9709309B1 (en)
CA (1) CA2247407C (en)
RU (1) RU2209395C2 (en)
TW (1) TW337551B (en)
WO (1) WO1997046851A2 (en)
ZA (1) ZA974264B (en)

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Also Published As

Publication number Publication date
RU2209395C2 (en) 2003-07-27
EP0807804A3 (en) 1998-08-12
JP3583787B2 (en) 2004-11-04
BR9709309B1 (en) 2011-01-11
AR007161A1 (en) 1999-10-13
EP0807804A2 (en) 1997-11-19
CN1217055A (en) 1999-05-19
AU3367997A (en) 1998-01-05
AU722122B2 (en) 2000-07-20
CN1128989C (en) 2003-11-26
WO1997046851A2 (en) 1997-12-11
ZA974264B (en) 1998-03-03
TW337551B (en) 1998-08-01
CA2247407A1 (en) 1997-12-11
JP2002515119A (en) 2002-05-21
BR9709309A (en) 1999-09-14
CA2247407C (en) 2006-11-07
US5710370A (en) 1998-01-20

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