自动电位计 automatic potentiometer

电动计算机 electric calculating machine ; electric accounting machine ; electrical computer

振动电流计 [电] vibrating galvanometer ; galvanometer ; vibration

自动电子计算机 [计] automatic electronic computer

差动静电计 differential electrometer

电子自动电势计 speedomax

压电式振动计 piezoelectric vibrometer ; piezoelectric type vibration gauge

电动力计 electrodynamometer

振动式电流计 [电] vibration galvanometer