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学会这个设置，让你的万用表测试速度提升3倍
NPLC全称Number of Power Line Cycles.是指采样电源的周期数量。我国的市电是50Hz的交流电，那它的一个周期就是0.02秒。如何根据你的测试内容设置万用表的NPLC呢？
数字万用表使用教程17/26
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