Does this kind of microcomputer need to frequently replace the rotor to adapt to different specifications of centrifuge tubes?

unnecessary. Veyon 2412 is equipped with an efficient three-in-one large-radius rotor. One rotor can be compatible with three commonly used specifications of centrifuge tubes: 1.5ml, 0.5ml and 0.2ml, effectively reducing the tedious steps of loading and unloading the rotor.