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BS 6199-1.2:1991

BS 6199-1.2:1991

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Current

The latest, up-to-date edition.

Measurement of liquid flow in closed conduits using weighing and volumetric methods. Weighing method Procedures for checking static weighing systems

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-31-1991

Publisher

British Standards Institution

Committees responsible
National foreword
Methods
Introduction
1. Scope
2. Normative references
3. Definitions and symbols
4. Certification
5. General principles
6. Procedures for checking operations
7. Calculation of the overall uncertainty
Annexes
A. Estimation of systematic and random errors
     introduced by the weighing device
B. Study of diverter operation
C. Assessment of flowrate stability within the
     integration interval
D. Assessment of flowrate stability between
     integration intervals
E. Study of flow characteristics
F. Bibliography
Tables
1. Symbols
2. Student's t distribution for various degrees of
     freedom and 95% confidence level
A.1 Values of s delta m as a function of (m + Ro)
A.2 Example of measurement results of a weighing device
     test
B.1 Results of switching time difference tests for the
     diverter
C.1 Results of flow stability test during the
     integration interval
D.1 Values of A (Abbe criterion)
D.2 Results of flow stability tests between integration
Figures
B.1 Graph of the filling process for the measuring tank
B.2 Diagram of measurement of switching time and
     switching time difference of the diverter

Describes methods of testing installations for flowrate measurement by the static weighing method. Covers definitions and symbols, certification, general principles, procedures for checking operations and calculation of the overall uncertainty. Includes several appendices and tables.

This part of ISO 9368 specifies methods of testing installations for flowrate measurement by the static weighing method. Methods of testing by dynamic weighing are given in ISO 9368-2.

Committee
CPI/30
DevelopmentNote
Also numbered as ISO 9368-1 Supersedes 89/20801 DC (09/2005)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current

BS 7405:1991 Guide to selection and application of flowmeters for the measurement of fluid flow in closed conduits
BS 7825-2:1996 Calibration of rubber and plastics test equipment Calibration procedures

ISO 7066-2:1988 Assessment of uncertainty in the calibration and use of flow measurement devices — Part 2: Non-linear calibration relationships
BS 1042-2.4:1989 Measurement of fluid flow in closed conduits. Velocity area methods Method of measurement of clean water flow using current meters in full conduits and under regular flow conditions
BS 6866-3:1987 Proving systems for meters used in dynamic measurement of liquid hydrocarbons Methods for pulse interpolation
BS 6199-1(1981) : AMD 7979 METHODS OF MEASUREMENT OF LIQUID FLOW IN CLOSED CONDUITS USING WEIGHING AND VOLUMETRIC METHODS - WEIGHING METHOD
BS 1042-2.3:1984 Measurement of fluid flow in closed conduits. Velocity area methods Methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
BS 1042-2.1:1983 Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes
BS 5844:1980 Methods of measurement of fluid flow: estimation of uncertainty of a flow-rate measurement
BS 7118-1:1990 Measurement of fluid flow: assessment of uncertainty in the calibration and use of flow measurement devices Linear calibration relationships

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