Standard
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AS 4747.8-2013
[Pending Revision]Meters for non-urban water supply, Part 8: In-service compliance for non-urban water meters
Sets out requirements for water meters for use in non-urban applications in open channel and part-filled pipe applications. It primarily applies to metering for irrigation water.
Published: 21/02/2013
Pages: 22
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Definitions
1.5 Preferred units
2 Compliance regime—Metrological assurance framework
2.1 General
2.2 Meter selection
2.3 Installation
2.4 Validation (post installation/ongoing)
2.4.1 Validation (post installation) pattern-approved meters
2.4.2 Validation (post installation) for non-pattern-approved meters—Additional requirements
2.4.3 Validation (ongoing)
2.5 In situ volumetric measurement
2.6 Re-verification
2.6.1 General
2.7 Maintenance
2.7.1 General
2.7.2 Types of maintenance
2.7.3 Maintenance plan
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
E1 General
E2 General guidance on in situ volumetric measurement
E3 Guidance on the use of the pump-around technique
E3.1 General
E3.2 Site selection
E4 Roles and responsibilities
E4.1 General
E4.2 Role of water service provider
E4.3 Role of private testing contractor
E5 Test set-up
E6 Test procedure
E6.1 General
E6.2 Validation of site
E6.3 Site preparation
E6.4 Notification of testing
E6.5 Testing
E6.6 Time synchronization
E6.7 Reporting
E6.8 Site re-instatement
E7 Interpretation of results
E7.1 Tests at different flow rates at the same outlet
E7.2 Uncertainty elements in data collected
E7.3 Interpretation of uncertainty in a measurement result
Bibliography
Cited references in this standard
[Pending Revision]
Meters for non-urban water supply, Part 6: Installation and commissioning of open channel meters
[Pending Revision]
Meters for non-urban water supply, Part 5: Installation and commissioning of closed conduit meters fully charged
[Current]
Measurement of water flow in open channels, Part 1: Vocabulary and symbols (ISO 772:2022, IDT)
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