Imposiso yokulinganisela kunye novavanyo lwempazamo yeSigaba
Ukuchaneka kwedatha yovavanyo oluphezulu noluzinzileyo
Isetyhula evulekileyo kunye nomsebenzi wokuvala i-demagnetization
Ngokungaphezulu kwangoku, ngaphezulu kwamandla ombane, ukubuya umva polarity, ukulayisha ngaphezulu kunye nokhuseleko lweengcingo olungalunganga
Umgangatho osebenzayo: IEC 60044 okanye ANSI/IEEE C57.13 (kuxhomekeke kwiimfuno zomthengi)