SEAWARD PowerTest 1557 Multi Function Tester fifi sori Itọsọna
Kọ ẹkọ bii o ṣe le lo PowerTest 1557 Multi Function Tester (MFT) lati Seaward pẹlu awọn ilana igbesẹ-nipasẹ-igbesẹ wa. Awọn iṣẹ idanwo pẹlu Ilọsiwaju Earth, Resistance Insulation, Loop Fault Earth, ati diẹ sii. Rii daju pe fifi sori ẹrọ itanna ni irọrun ati daradara.