Plate Rotator gives gentle but effective mixing by circular motion. Fixed speed at 30rpm. Capacity of 12x15ml and 4x50ml tubes or 22x15ml tubes with the maximum operational weight capacity of 1,0 kgs. Ideal design for processing of blood samples, separating and mixing of liquid and powered samples. Strong and robust metal construction with rubber feet for stable operation. Plates can easily be removed and installed for cleaning and replacing.