| 1. | Dd862 and dd862a single phase electic meter are in duction meter . it is used in calculating 50hz single - phase ac active electrical energy . it is compaosed of electromagnetic element . moving disc , bearing , damping magnet steel , counter and regulator and regulator equipment . the meter has high precision , high over - load , long lifetime and so on features : dd862型和dd862a型单相电度表是感应式仪表,用于计量器频率为50hz的单相交流有功电能。它主要由电磁元件转动圆盘轴承阻尼磁钢计度器和调整装置等组成,本表具有高精度高过载长寿命等特点。 |