產品特點:可測產品特點:可測直流電壓500v±(1.2%+5)；交流電壓500v±(1.5%+5)交流電流2000mA/20A/600A±(3%+10),200A±(2.5%+10);電阻200KΩ±(1.5%+5))交流電流2000mA/20A/600A±(3%+10),200A±(2.5%+10);電阻產品特點:可測直流電壓500v±(1.2%+5)；交流電壓500v±(1.5%+5)交流電流2000mA/20A/600A±(3%+10),200A±(2.5%+10);電阻200KΩ±(1.5%+5)