electrodynamometer

名词 electrodynamometer:

1. measuring instrument that uses the interaction of the magnetic fields of two coils to measure current or voltage or power

e.lec.tro.dy.na.mom.e.ter

n.（名词）
An instrument that measures electric current by indicating the level of magnetic attraction or repulsion between a fixed and a movable coil, one of which carries the current to be measured.
电测力计：测量电流的仪器，显示一个固定线圈和一个移动线圈之间磁性相吸或相排斥的程度，其中一个线圈带有所测电流