[KongchangAI]
Unverified85% confidenceFactTime unknown

漏电电流达标国标要求:家用漏电保护器额定动作电流一般为30mA,普通钳形漏电表测量分辨率0.01mA已足够家用,工业场合需0.001mA分辨率并具备真有效值(TRMS)测量以应对变频器谐波干扰

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