The Alkali Scientific™ (BV1000) BenchMixer™ sets the new standard in vortex mixing. With advanced Q-Drive™ technology, the BenchMixer provides smooth instant vortexing of even the largest sample sizes, including full 50ml tubes. The unique counter-balance system creates maximum vortexing action, while minimizing noise and excessive vibration. This results in quieter, more efficient and longer lasting operation.Other features include: “no-walk” suction feet, cold room/incubator compatibility and spill-proof electronic controls. Powerful motor for INSTANT vortexing Continuous or "touch" operation Q-Driveª dynamic balancing system Variable speed from 200 to 3200 rpm Wide variety of accessories