前言交流平衡指示器是用来指示交流平衡线路(例如交流电桥或交流补偿器)平衡状态用的。交流平衡网络测量准确度的高低直接受平衡指示器灵敏度的限制。交流平衡指示器灵敏度越高,则交流平衡网络的分辨率就越高,测 Preface The AC balance indicator is used to indicate the balance of AC balanced lines (such as AC bridges or AC compensators). AC balance Network measurement accuracy is directly limited by the sensitivity of the balance indicator. The higher the sensitivity of the AC balance indicator, the higher the resolution of the AC balance network