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. - The max. diameter of the tubes is up to 30mm. Suit for mixing tubes /centrifugal tubes with prominent mixing effect - Outer shell and test tube base are made of plastic which is resistant to chemical attack. The thick base makes operation very steady and reliable - 12V low voltage power adapter built in, smart and portable