n.靜電計
Compared to an electrometer, the voltage noise and drift are much lower, and the current noise and drift are much higher. 與測量高源內(nèi)阻電壓的靜電計相比，納伏表的電壓噪聲和電壓漂移更低一些，電流噪聲和電流漂移則是靜電計要更低一些。
