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HIOKI日本日置FT3129-21相序表特点:非接触式相序表3129已升级为FT3129-21相序表HIOKI 3129带有磁性可固定于配电盘上夹住100mm2相当的被测电线即可LED的转动显示,三相电源的相顺一目了然正相时,发出短鸣音;反相时,发出长鸣音来区分电线的活线检查& 简易检电停止使用15分...
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