SEAWARD PowerTest 1557 Pandhuan Instalasi Tester Multi Fungsi
Sinau carane nggunakake PowerTest 1557 Multi Function Tester (MFT) saka Seaward kanthi instruksi langkah-langkah. Fungsi tes kalebu Earth Continuity, Insulation Resistance, Earth Fault Loop, lan liya-liyane. Priksa integritas instalasi listrik kanthi gampang lan efisien.