UNE-EN IEC 62057-1:2023 Electrical energy meters - Test equipment, techniques and procedures - Part 1: Stationary meter test units (MTUs) (Endorsed by Asociación Española de Normalización in June of 2023.)
2023UNE-EN IEC 62057-1:2023 Electrical energy meters - Test equipment, techniques and procedures - Part 1: Stationary meter test units (MTUs) (Endorsed by Asociación Española de Normalización in June of 2023.)