Standard
Track updates
AS/NZS 1284.13:2002
[Current]Electricity metering, Part 13: In-service compliance testing
Provides requirements for an in-service compliance testing regime for electricity meters.
Published: 24/06/2002
Pages: 21
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Application
3 Referenced documents
4 Definitions
4.1 Definitions relating to meters
4.2 Definitions relating to the process
5 Comparison of attributes inspection with variables inspection
6 In-service compliance testing
6.1 General
6.2 Implementation
6.2.1 Existing meters
6.2.2 New meters
7 Test points and error limits
7.1 Metrological performance
7.1.1 Sampling accuracy by attributes
7.1.2 Sampling accuracy by variables
7.2 Sampling other performance characteristics
7.2.1 General
7.2.2 Test for anti-creep function—Induction meters
7.2.2.1 Method A
7.2.2.2 Method B
7.2.3 Operation of the register or display
8 Procedure for testing meters
8.1 Documentation
8.2 Grouping of meters (Step 1)
8.3 Sample size and pass/fail criteria (Step 2)
8.4 Selection of samples (Step 3)
8.5 Testing of samples (Step 4)
8.6 Calculation of results (Step 5)
8.6.1 Attributes
8.6.2 Variables
8.6.2.1 Normality
8.6.2.2 Outliers
8.6.2.3 Calculations
8.7 Decision on the batch (Step 6)
8.7.1 General
8.7.2 Failure categories
8.7.3 Accuracy by attributes
8.7.4 Accuracy by variables
8.7.5 Other performance characteristics
8.7.6 Returning sample meters to the field
8.8 Reporting of data (Step 7)
Appendix A
Appendix B
B1 Accuracy by variables testing
B1.1 Statistical analysis
B1.2 Decision on individual load points
B1.3 Decision on population
B2 Accuracy by attributes testing
B2.1 Results of sample for attributes testing
B2.2 Decision on individual load points
B2.3 Decision on population
Cited references in this standard
[Superseded]
Electricity metering, Part 9: Electronic watthour meters (Classes 0.2 S and 0.5 S)
[Withdrawn]
Sampling procedures and charts for inspection by variables for percent nonconforming
Content history
AS/NZS 1284.13:2002 Rec:2016
DR 01081
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