AS 2360.6.1-1993

1-AS 2360.6.1-1993 MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - VOLUMETRIC METHODS - BY MASS
4-PREFACE
7-1 General
7-1.1 Scope and field of application
7-1.2 References
7-1.3 Definitions
7-1.3.1 static weighing
7-1.3.2 dynamic weighing
7-1.3.3 diverter
7-1.3.4 flow stabilizer
7-1.3.5 buoyancy correction
7-1.4 Units
8-1.5 Notation
8-1.6 Certification
8-2 Principle
8-2.1 Statement of the principle
8-2.1.1 Static weighing
13-2.1.2 Dynamic weighing
13-2.1.3 Comparison of instantaneous and mean flow-rate
13-2.2 Accuracy of the method
13-2.2.1 Overall uncertainty on the weighing measurement
13-2.2.2 Requirements for accurate measurements
13-3 Apparatus
13-3.1 Diverter
14-3.2 Time-measuring apparatus
15-3.3 Weighing tank
15-3.4 Weighing machine
15-3.5 Auxiliary measurements
16-4 Procedure
16-4.1 Static weighing method
16-4.2 Dynamic weighing method
16-4.3 Common provisions
16-5 Calculation of flow-rate
16-5.1 Calculation of mass flow-rate
16-5.2 Calculation of volume flow-rate
16-6 Calculation of the overall uncertainty of the measurement of the flow-rate
16-6.1 Presentation of results
17-6.2 Sources of error
17-6.2.1 Systematic errors
18-6.2.2 Random errors
20-6.3 Calculation of uncertainty in flow-rate measurement
20-6.3.1 General
20-6.3.2 Example of calculation
22-Annex A - Corrections on the measurement of filling time
22-A.1 Static weighing method
22-A.1.1 Method 1
22-A.1.2 Method 2
23-A.2 Dynamic weighing method
24-Annex B - Density of pure water
25-Annex C - Definition of terms and procedures used in error analysis
25-C.1 Definition of the error
25-C.2 Definition of uncertainty
25-C.3 Definition of the standard deviation
25-C.4 Assessment of uncertainty
25-C.4.1 Random errors
25-C.4.2 Systematic errors
26-C.5 Propagation of errors
27-Table - Values of Students