Sigma supplies matching fixed-angle, swing-out and drum rotors for all Sigma centrifuges. Sigma rotors are precision-made from modern, certified high-performance materials with traceable batch numbers. Thanks to many years of experience and close contact with our customers, we are able to offer an extensive selection of rotors. Sigma rotors are characterised by extra capacity or higher maximum speed. Rotors can be operated continuously at maximum speed and +4°C in nearly all Sigma centrifuges.