Series electric mixer, reasonable design, novel structure, the use of a DC motor, stepless, citing an advanced booster steady speed line, with speed and stability, torque, low noise, revolutions intuitive display, easy to operate safety. Is the major universities, research institutes, chemical and other units of the essential basic equipment. Description: Speed ??range is as follows: -... A 60-500 rev / min, level two 2 240-2000 rev / min, three stirring 桻 range; 0.5-10mm