BS EN 24185:1993
Current
The latest, up-to-date edition.
Measurement of fluid flow in closed conduits. Weighing method
Hardcopy , PDF
English
31-12-1981
National foreword
Cooperating organizations
Method
1 General
2 Principle
3 Apparatus
4 Procedure
5 Calculation of flow-rate
6 Calculation of the overall uncertainty of the
measurement of the flow-rate
Annexes
A Corrections on the measurement of filling time
B Density of pure water
C Definition of terms and procedures used in error
analysis
D Student's t-distribution
Table
1 Values of Student's t
Figures
1A Diagram of an installation for calibration by
weighing (static method, supply by a constant level
head tank)
1B Diagram of an installation for flow-rate measure by
weighing (used for an hydraulic machine test; static
method, supply by a constant level head tank)
1C Diagram of an installation for calibration by
weighing (static method, direct pumping supply)
1D Diagram of an installation for calibration by
weighing (dynamic method, supply by a constant level
head tank)
2 Examples of diverter design
3 Operational law of diverter
4 Time metering for a diverter the operation law of
which is identical in both directions
5 Example of error distribution in calibration of
weighing machine
6 Typical graph used in evaluation of (ER)p for a
diverter system
7 Plotting of results of diverter timer actuator as
given in A.1.2
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