Microcentrifuge refrigerated Biocen 22R. Capacity max. 8 x 15 mL. Speed max. 31.865 xg/ 18.100 rpm. Rotors from 0.2 to 15 mL. Temperature -20 ºC to 40ºC. Guaranteed 4 ° C at max. rpm. LED screen indicator of rpm/rcf and time. Programming speed in steps of 50 rpm/50 xg. Account the back/increasing from 0 or set rpm/rcf. Watch 1 to 99 min in intervals of 5 sec, and the time indefinite. Control of acceleration/braking progressive. Messages acoustic and visual state of the computer. Control by microcesador. Engine maintenance free. Listing of rotors in memory. Automatic locking and emergency. Safety stop for imbalance. Level noise <60 dB. Rotor not included, view available on description.