炫乐彩票
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三相电压600V，三相电流5A，有功功率，无功功率，功率因数，频率，有功电能，无功电能，谐波分析(2-40次)，电压、电流波形，谐波棒形图，事件纪录；电压电流均可设置倍率；RS485串行口；4-20mA输出可选；用户可选：上下限予置报警，继电器输出
