BS 6199-1.2:1991
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
Hardcopy , PDF
English
31-10-1991
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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.
| 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
|
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.
| 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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