SOLD - This Beckman Optima TLX Ultracentrifuge , cat. no. 359732, has 10 pre-set user programs. The steel door chamber automatically locks and the temperature control system activates when the chamber closes.This unit has a microprocessor in the chamber that maintains desired temperature without the need for coolant. It accommodates Beckman (Coulter) TL-series rotors (maximum 120,000 rpm).Condition: Tested all systems - i.e., speed, vacuum, refrigeration - and found fully operational; previously-owned, used, clean; no rotor. This unit was manufactured in 2006. Guaranteed operational for 60 days. Buyer is responsible for determining the suitability of this product for their application.