同惠(Tonghui)可编程开关直流电源TH6680-120-05双向回馈式大功率直流电源电压80V/120A/5kW
同惠(Tonghui)交流耐压测试仪TL5502B漏电流安规耐压测试仪AC:5kV/20mA
同惠(Tonghui)精密LCR数字电桥TH2830电感电阻电容元器件测试仪频率:50Hz-100kHz精度:0.05%
同惠(Tonghui)线性可编程直流电源TH6402三通道独立输出直流电源电压30V/3A/90W×2,6V/5A/30W×1