EN 60514:1995

FOREWORD
PREFACE
INTRODUCTION
1 Scope
2 General remarks
3 Units
4 Definitions
5 Acceptance conditions for batches
6 Place of inspection
7 Test conditions
  7.1 Reference conditions
  7.2 Uncertainty of measurement
  7.3 Cover and seal
8 Inspection and test procedure
  8.1 Preliminary tests and pre-conditioning
  8.2 Test No. 1: dielectric properties
  8.3 Test No. 2: running with no-load
  8.4 Test No. 3: starting
  8.5 Test Nos. 4 to 9: accuracy
  8.6 Test No. 10: verification of meter constant
  8.7 Test No. 11: mechanical inspection
9 Requirements corresponding to different inspection
  procedures
  9.1 100% inspection
  9.2 Sampling inspection
APPENDIX A - Explanatory notes concerning sampling
             procedures for Class 2 watthour meters
APPENDIX B - Symbols

Methods for acceptance inspection (100% inspection and statistical sampling inspection) and testing of newly manufactured direct connected induction type watthour meters of Class 2 which are produced and delivered in large quantities. For type tests see EN 60521. This publication has the status of a report.