基本功能 量程 型号UT631UT6321KHz200Hz～500KHz10Hz～200Hz,1KHz200Hz～500KHz10Hz～200Hz,500KHz～2MHz500KHz～2MHz交流电压测量4mV (1%+15个字) (1%+0.1mV) (2%+0.1mV) (1%+15个字) (1%+0.1mV) (2%+0.1mV)40mV (0.5%+15个字) (3%+20个字) (5%+20个字) (0.5%+15个字) (3%+20个字) (5%+20个字)400mV (0.5%+15个字) (3%+20个字) (5%+20个字) (0.5%+15个字) (3%+20个字) (5%+20个字)4V (0.5%+15个字) (3%+20个字) (5%+20个字) (0.5%+15个字) (3%+20个字) (5%+20个字)40V (0.5%+15个字) (3%+20个字) (5%+20个字) (0.5%+15个字) (3%+20个字) (5%+20个字)400V (0.5%+15个字) (3%+20个字) (5%+20个字) (0.5%+15个字) (3%+20个字) (5%+20个字)特殊功能LCD显示4位 频率响应范围10Hz～2MHz 电压测量范围0.4mVRMS～400VRMS USB数据传输 过载指示低于量程电压的8％显示 UNDER ,低于量程电压的5％自动清零超出量程电压的5％显示 OVER ,超出量程电压的10％显示 O.L 工作环境温度:23 5℃ 湿度:＜60% 大气压力：86Kpa～106Kpa选择功能手动和自动电源220V 10%,50Hz 4%