Ratio Error uye Phase angle kukanganisa bvunzo
Yakakwirira uye yakagadzikana bvunzo data kurongeka
Open-circuit & close-circuit demagnetization basa
Nepamusoro pezvino, pamusoro pevoltage, reverse polarity, overload uye dziviriro isiriyo wiring
Inoshanda mwero: IEC 60044 kana ANSI/IEEE C57.13 (zvinoenderana nezvinodiwa nemutengi)