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与数字多用表不同，微欧姆计没有内部电阻器(RS)，所以四条引线都要连接才能进行测量。
It doesn't have the internal resistors (rs), as in the DMM, so all four leads must be connected to make a measurement.
这个小的电阻值通常用数字多用表或者微欧姆计来测量。
This small resistance is normally measured with a DMM or a micro - ohmmeter.
本文中的电压传感器采用电阻分压，可将初级电压直接转化为10v以内的微信号，以供测量保护用，装置具有体积小、传输频带宽、不存在饱和问题、无谐振点等优点。
By adopting resistance divider, the voltage sensor designed in this paper can transform primary voltage into micro-signal less than 10v, which can be used in measurement system directly.
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