产品特性 HLY-III接触电阻测试仪仪器输出电流大、调节范围宽、信号稳定、结构紧凑、操作简单、读数直观、且能作为大电流源单独使用。 采用开关电源输出,精度高,体积小,重量轻。 采用进口优质元器件,抗干扰能力强。 HLY-III接触电阻测试仪Made with imported high-stability constant voltage switching power supply and digital circuit technology. Specialized for contact and loop resistance measurement of switchgear, suitable for power plant and utility field testing.