·范围:0-5000V,0-12mV,分辨率10V ·精度:±(2%可设定值+5V) ·范围:1-1000MΩ,(4位数显示,自动换挡) · 准确度:±(3%读书值+2个字)电压≥500V ,±(7%读书值+2个字)电压<500V ·范围:0.10-12.00mA,分辨率0.01mA ·准确度:±(2%设定值+2个字)