The instrument is specially designed for simplicity in measuring the contact resistance of switch, relay, plug, connector, or between electrolytic lead leg and electrode.
该仪器是专为简单的测量开关接触电阻，继电器，插头，连接器，或腿之间的电解铅和电极。
Since it is a lead wire type device. it can be attached to printed circuit boards. the relay terminal boards. etc. ; it has a space saving shape; and it is highly economical.
由于采用了引脚结构，电源防雷模块可以直接焊于印刷电路板上、接在继电器等接线端子上，从而节省安装空间， 经济适用。
The saturation of magnetic current transformers, occurred during a fault on the power system, will lead to mal-operation or refused operation of protection relay.
电磁式电流互感器在电力系统故障情况下可能发生饱和，常导致继电保护装置误动或拒动。
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