Capacity—spins up to 3 liters or 76 12 mL sample tubes at high speeds and g forces greatly improve laboratory productivity Speed—up to 6,400 rpm and forces to 5,642 x g Acceleration—Automatic soft-start provides a choice of operator-selectable acceleration times to protect delicate gradients. With the Beckman Coulter-designed direct drive, SPINCHRON Centrifuges are up to top speed in a hurry Deceleration with 2-stage dynamic/disk braking and 3-position brake switch Rotor versatility: Horizontal, SYNCHRON – compatible PTS-2000, auto-balancing ARIES™ and fixed angle rotors offers you a choice – and a 7-year warranty Modular disk adapters—Stacked design and color-coding for maximum convenience accommodates all popular size tubes Control panel features—30-minute timer with hold, and new Accuset™ Speed Control, which assures operation within 30 rpm of setting Rotor imbalance protection—provides automatic shut-off with an imbalance over 10 grams Return Policy Items are sold as-is with no returns or refunds available unless explicitly stated.