... (two sides),Power supply: AC220V±10%, 50HzEmergency power supply: 3×1.2V, 300mAh nicad battery,Brightness of light source: EL panel of ... Acceptable Whorl plug gauge M10*1, M16*1.5, M52*2, M30*1.5, M27*1.5,M14*1.5, M45*1.5 7 2.4 ... Grounding resistance tester LK2678B 1 1.0 Acceptable Integral ball DZ-7 1 1.0 Acceptable Function test SSB-15 1 1.0 Acceptable Production Flow ...