Beckman Coulter SX4750 / SX4750A MAX 4750 RPM Swing Bucket Rotor 684 GramsDescription: The Beckman Coulter SX4750 and SX4750A Swinging Bucket Rotors are designed for high capacity centrifugation in laboratory settings. These rotors accommodate various tube sizes and microplates, offering flexibility for diverse applications. The SX4750A model features ARIES self balancing technology, enhancing operational efficiency by automatically correcting imbalances up to 50 grams between opposing loads without shutdown .