HomeRulebook HomeBalancing and Settlement CodeCodes of PracticeCode of Practice 4 The Calibration Testing and...Code of Practice 4 The Calibration Testing and... V 5 0
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CONTENTS

  • FOREWORD
  • 1. Scope
  • 2. Application to Other Codes of Practice
  • 3. References
  • 4. Definitions and Interpretations
    • 4.1 Accredited Laboratory
    • 4.2 Actual Metering Point
    • 4.3 Adjustment
    • 4.4 Blank Calibrated Meter
    • 4.5 Calibration
    • 4.6 Commissioning
    • 4.7 Compensation
    • 4.8 Compensated Meter
    • 4.9 Defined Metering Point
    • 4.10 electricity *
    • 4.11 Meter *
    • 4.12 Meter Type
    • 4.13 Metering Equipment *
    • 4.14 Outstation *
    • 4.15 Overall Accuracy
    • 4.16 Reference Conditions
    • 4.17 Reference Standard
    • 4.18 Reference Temperature
    • 4.19 Standard(s)
    • 4.20 Test House
    • 4.21 Traceable
    • 4.22 Transfer Standard
    • 4.23 Working Standard
  • 5. Half Hourly Metering Systems
    • 5.1 Meters – Calibration
      • 5.1.2.1 Types of Calibration
      • 5.1.2 Meter Calibration Criteria
      • 5.1.3 Sealing
      • 5.1.4 Records
    • 5.2 Sample Calibrations
    • 5.3 Measurement Transformers
      • 5.3.1 Initial Calibration
      • 5.3.2 Periodic Calibration
      • 5.3.3 Records
    • 5.4 Voltage failure alarm
    • 5.5 Commissioning
      • 5.5.1 Instruments for Commissioning
      • 5.5.2 Commissioning Tests
      • 5.5.3 Sealing
      • 5.5.4 Records
    • 5.6 Proving
  • 6 Non Half Hourly Metering Systems6
    • 6.1 Commissioning
    • 6.2 Commissioning Tests
  • 7 Calibration Equipment for Meters
    • 7.1 Reference Standards
      • 7.1.1 Temperature tolerance
      • 7.1.2 Calibration intervals
    • 7.2 Transfer Standards
      • 7.2.1 Temperature tolerance
      • 7.2.2 Calibration intervals
      • 7.2.3. Outside specification
    • 7.3 Working Standards
      • 7.3.1 Temperature tolerance
      • 7.3.2 Calibration intervals
      • 7.3.3 Outside specification
    • 7.4 Records
  • 8 Calibration Equipment for Measurement Transformers
    • 8.1 Reference Standards
      • 8.1.1 Temperature tolerance
      • 8.1.2 Calibration intervals
    • 8.2 Records
  • APPENDICES
    • Appendix A. Calibration Period Table
    • Appendix B. Test Points
    • Appendix C. Measured Errors
    • Appendix D. Measurement Uncertainty
    • Appendix E. Annual Report Format

Code of Practice 4: The Calibration, Testing and Commissioning Requirements of Metering Equipment for Settlement Purposes V5.0

Effective From Date:06/11/2008
Status:SUPERSEDED
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