I do ultra-small resistance test equipment, the general used to test the relay switch contact resistance!

我做的测试超小阻值的仪器，一般用来测试开关继电器的接触电阻！

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In parallel with the ideal switch is the contact leakage resistance and capacitance.

与理想开关相并联的是触点漏泄电阻和电容。

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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。

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