普源(RIGOL)直流稳压电源DP831三路独立输出可编程线性电源8V/5A
普源(RIGOL)直流稳压电源DP831A三路独立输出可编程线性电源8V/5A
普源(RIGOL)函数任意波形信号发生器DG1022Z方波脉冲信号源双通道25MHz
普源(RIGOL)数字荧光显示示波器DS1054Z四通道带宽50MHz