CEI EN 62055-31 : 2006

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Standard electrical values
5 Mechanical requirements
6 Climatic requirements
7 Electrical requirements
8 Metering accuracy requirements
9 Functional requirements
10 Type test
Annex A (informative) - Functional performance
Annex B (informative) - Reference model for a
        payment meter
Annex C (normative) - Performance requirements
        for payment meters with load switching
        utilisation categories UC2, UC3 and UC4
Annex D (normative) - Requirements of timekeeping
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Defines the newly manufactured, static watt-hour payment meters of accuracy classes 1 and 2 for direct connection, for the measurement of alternating current electrical energy consumption of a frequency in the range 45 Hz to 65 Hz that include a load switch for the purpose of interruption or restoration of the electricity supply to the load in accordance with the current value of the available credit maintained in the payment meter.