产品规格：电压(AC/DC)档位320m/3.2/32/1000VDC3.2/32/320/750VAC准确度DC - 0.5% rdg+2 dgtsAC - 1.2% rdg+4 dgts(40~400Hz)输入阻抗10M (min)过载保护100 V(DC)/1mV(AC)电流(AC/DC)档位320 /3.2m/32m/320m/20A准确度DC - 1% rdg+2 dgtsAC - 1.5% rdg+5 dgts(40-400Hz)分辨率1 A电阻( )档位320/3.2K/32K/320K/3.2M/30M 准确度0.8% rdg+2 dgts分辨率0.1