准确,,方便检测接地系统是否合标准作用:手腕和接地线、静电手腕与皮肤之间接触的阻,静电接板、静电垫子和接地线等特点:可在任何地点容易检查各种接地系统,员工,消除因静电而导致产品的损坏电源:9V电池 接地线:2.5mm(6.2") Precise,quick and convenient yo test the grouning system Uses:Writs and grounding wire Wrist to skin Antistatic plate Antistatic mat and grounding wireFeatures:Easy to test,Safety, Avoid damaging by static