Electricity supply systems (ICS 91.140.50).
Mini-Grid Systems – Part 8: Electricity metering minimum accuracy and environmental requirements (9 page(s), in English)
This standard specifies the minimum level of functionality requirements for three phase or single phase, total current, static kilowatt-hour (kWh) meters to be installed in distribution networks of mini-grid systems.
The provisions of this standard apply to:
a) Three phase meters intended to measure 3 phase 4 wire, 230/400V, 50Hz service and to single phase meters intended to measure 1 phase 2 wire, 230V, 50 Hz service. b) Requirements for accuracy, testing, as well as electromagnetic compatibility, and surge withstand capability requirements of devices used as electricity metering for three phase and single phase service.