产品特点:可测产品特点:可测直流电压500v±(1.2%+5);交流电压500v±(1.5%+5)交流电流2000mA/20A/600A±(3%+10),200A±(2.5%+10);电阻200KΩ±(1.5%+5))交流电流2000mA/20A/600A±(3%+10),200A±(2.5%+10);电阻产品特点:可测直流电压500v±(1.2%+5);交流电压500v±(1.5%+5)交流电流2000mA/20A/600A±(3%+10),200A±(2.5%+10);电阻200KΩ±(1.5%+5)