特点度0.25%满刻度（RMS）(Accuracy 0.1%F.S.(TRMS),0.25%F.S.(RMS))多重输入,输出选择(Wide selection of input/output range)输入与输出绝缘耐压2千伏特/1分钟(Dielectric strength 2KVac/1min.(input/output/power))冲击电压测试5千伏特(1.2×50us)(IEC255-4,ANSI C37.90a/1974)突波电压测试2.5千伏特(0.25ms/1MHz)(Surge test (ring wave)2.5LV(0.25ms/1MHz))(IEC255-4)尺寸小,稳定性高(Dimension small and High stability)