IT-M3902C-80-40 80V ±40A ±2kW 0.001V/0.01A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB/CAN/LAN/数字I/O口,选配GPIB/模拟量&RS232 1 U IT-M3904C-80-80 80V ±80A ±4kW 0.001V/0.01A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB/CAN/LAN/数字I/O口,选配GPIB/模拟量&RS232 ...