ET5410A+ Programmable 400W DC Electronic Load Battery Load Tester DC Tester Battery Internal Resistance Tester 0-150V 0-40A (Single Channel, RS485)

About this item With visual interface display system,simple and convenient Maintain data storage in case of power failure,With input polarity reverse prompt With PS2 interface, and supports external keyboard for data value setting; Multiple safety protection It provides overcurrent, overvoltage, overpower, over temperature protection. The overvoltage and overcurrent parameters can be set flexibly, so as to effectively protect the load It has intelligent fan speed control function, which can effectively reduce the fan noise when it is working