Hermle Z307 Universal Centrifuge, 230V, Cat. No.: BM-Z307-E, The Z307 is a compact and economical centrifuge with a series of rotor options making it well suited for clinical, industrial, and research laboratories. Despite the impressive capacity of the 4 x 145ml rotor (capable of supporting 8 x 50ml or 12 x 15ml with the use of rotor inserts), the Z307 is surprisingly compact with a footprint of just over 14 x 18 inches. An optional rotor is also available for microplates (2 x 3 microplates), positioning this model as one of the smallest, and least expensive centrifuges capable of high speed microplate centrifugation. Swing out rotors (12 x 15ml or 8 x 50ml), High Speed microtube rotors (up to 18,624xg), Low-Medium speed fixed angle rotors for 15ml to 50ml