Heraeus Biofuge Stratos refrigerated centrifuge. Adjustable speed from 300 to 23,300 rpm in increments of 10. 9-level acceleration/brake. Maximum capacity 4 x 180 ml. Automatic rotor recognition. Nine programs plus one pre-cooling program. Temperature range from -19 ºC to +40 ºC. Timer from 0 to 9 hrs 59 mins or continuous operation. Dimensions: 395*640*595 mm, 134 kg. User manual.Includes autoclavable Heraeus #3046 angular rotor with adapters for 6 Falcon-type 50 mL tubes and a maximum speed of 8,500 rpm.