Globe Scientific’s vortex mixer provides a smooth instant vortexing of even the largest sample sizes, including 50mL tubes. The unique counter balance system creates maximum vortexing action, while minimizing noise and excessive vibration. This results in a quieter, more efficient and longer lasting operation. The vortex mixer offers touch or continuous operation as well as variable speed control from 200 to 3200 rpm. Other features include: Suction feet, cold room and incubator compatibility as well as spill-proof electronic controls.