Minimum resolution: 0.01mA Harmonic measurement function AC voltage measurement function Data hold function Dimensions (mm): 70 x 223 x 34 Continuous usage time (h): 60 hours Maximum measurement conductor diameter (mm): 40 Clamp diameter (mm): 40 Ac current (a):0.04/0.4/4/40/300 AC电压(v):500 电源(V):AA锰电池UM-4 x 3 检测方法:RMS检测 电源 电源:AA锰电池UM-4 x 3 3 3