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本文介绍一种能自动查找多芯电缆或者线把中某一对线的查线器。这种查线器还可以用来确定与连接器某个端子连接的线。这种电池供电的查线器由数字显示器、手动旋转开关、音频换能器和探头四个主要部分组成。被测电
This article describes a wire checker that automatically finds a pair of cables in a multi-core cable or cable. This wire checker can also be used to determine the wire to which one of the connectors is connected. This battery-powered wire checker consists of a digital display, a manual rotary switch, an audio transducer and a probe that are made up of four main parts. Measured electricity