... science and research units of biochemistry, medicine science, pharmacy, clinical test, food and environmental protection, to make separation of liquids containing ... customers. ** With the brushless DC inverter motor, it works in quiet and clean environment. ** Motor gate lock with mute mechanical &electrical ... 20kgDimension(LxWxH) 500×450×280mm 4000r/min TDZ4-WS Bench top Low Speed Centrifuge