交流电流400A(0-400A)(True-RMS) 1.5%rdg 3dgt(50/60Hz) 3%rdg 4dgt(30-1kHz)2000A(0-1700A)(True-RMS) 1.5%rdg 2dgt(50/60Hz) 3%rdg 4dgt(30-1kHz)2000A(1701-2000A)(True-RMS) 3rdg 3dgt(50/60Hz)交流电压40/400/750V(True-RMS) 1.5%rdg 3dgt(50/60Hz) 1.5%rdg 4dgt(40-1kHz)直流电流400/2000A 1.5%rdg 2dgt直流电压40/400/1000V