HomeRulebook HomeBalancing and Settlement CodeCodes of PracticeCode of Practice 4 The Calibration Testing and...Code of Practice 4 The Calibration Testing and... V 16 0
Previous versionNext version

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 Commissioning End to End Check ‡
    • 4.8 Compensation ‡
    • 4.9 Compensated Meter ‡
    • 4.10 Defined Metering Point ‡
    • 4.11 electricity *
    • 4.12 Equipment Owner *
    • 4.13 Independent Connection Provider †
    • 4.14 Equipment Owner *
    • 4.15 Independent Connection Provider †
    • 4.16 Meter *
    • 4.17 Meter Type ‡
    • 4.18 Metering Equipment *
    • 4.19 Outstation *
    • 4.20 Overall Accuracy ‡
    • 4.21 Reference Conditions ‡
    • 4.22 Reference Standard ‡
    • 4.23 Reference Temperature ‡
    • 4.24 Standard(s)
    • 4.25 Testing Facilities
    • 4.26 Test House ‡
    • 4.27 Traceable ‡
    • 4.28 Transfer Standard ‡
    • 4.29 Working Standard ‡
  • 5 HALF HOURLY METERING SYSTEMS4
    • 5.1 Meters – Calibration
      • 5.1.1 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 and Testing Facilities
      • 5.3.1 Responsibility for Calibrations and maintenance of Records.
      • 5.3.2 Initial Calibration
      • 5.3.3 Periodic Calibration
      • 5.3.4 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
    • 5.7 Commissioning End to End Check
  • 6 NON HALF HOURLY MeterING SYSTEMS12 AND COP10 HH METERING SYSTEMS
    • 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
  • 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 V16.0

Effective From Date:03/11/2022
Status:SUPERSEDED
Other versions
Download