This sturdy, reliable mixers can adjust speed to meet different experimental requests. Multiple mixing modes, Touch and continuous operations. Aluminium cast base avoids unnecessary “walking”. A variety of optional adapters are available which process 70 samples at the same time to make the experiment more convenient and efficient. Wide speed range:0-3000rpm. Built-in short mix, Microprocessor control, LED display the speed and time. - It can be used in the humid environment such as refrigerator and refrigerated cabinet - Several optional turntable supplied, suit for the tubes from 1.5ml to 50ml - One button to start/stop, easy to operate, can run for a long time, running smoothly without noise at 20 rpm