The system solves the problem that one device can control many parameters testing . it can complete auto - test and auto - data - collection of acting time difference between the 8 contract resistances and 6 switches without debugging the power by hand . serial communication program can automatically transmit the testing data and information to the upper computer after the data testing 机车电器测试系统解决了一台装置进行多项参数测试的计算机控制问题，能进行8路接触电阻、 6路开关的动作时间的自动测试、通道的自动切换及数据采集；并无须人工调试电源；串口通信程序在测试完毕后自动向上级计算机传输测试数据和信息交换。
