NF C44-470-3/A1*NF EN 50470-3/A1:2018 Electricity metering equipment (a.c.) - Part 3 : particular requirements - Static meters for active energy (class indexes A, B and C)
2018NF C44-470-3/A1*NF EN 50470-3/A1:2018 Electricity metering equipment (a.c.) - Part 3 : particular requirements - Static meters for active energy (class indexes A, B and C)