The TY-80A/S Lab Rotator uses 220V at speeds between start to 240rpm, and has a speed control knob for continuous operation, an orbital motion range of 10mm (0.4"), a large platform with non-slip rubber mat. The 11 x 8.7 inches platform has a flat, non-slip rubber mat for holding trays, dishes, plates, and other flat-bottomed vessels. This item are offered in a range of models designed to meet a variety of laboratory procedures such as staining and destaining of gels, immunoassays and extractions where disruptions to samples needs to be held to a minimum.