The KR 4.22 guides you through the programming process. Programs are stored in one of 50 permanent memories. Performance can be programmed in RPM or RCF. Simple to create new programs and simple to recall and use existing programs these features result in perfect run reliability. Acceleration, braking and temperature are continuously checked and controlled by the microprocessor. Specifications: Temperature range: -8 to + 40C [Holds 4C at full speed] Max speed: 4,900 rpm Max RCF: 7,200 x g Max capacity: 6 x 1,000 ml bottles; 4 x 1,600 ml bottles or 8 quin or 12 quad bags Timer: 0 to 100 min.+ hold Integrator Programmable radius 70 to 310 mm Air cooled condensor C60 [6]-place Swinging Bucket Rotor with Lid, [6] 1000 ml buckets and [4] liners Electrical Plug configuration: NEMA 6-30P (Requires NEMA 6-30R receptacle) Weight: 750 lbs. Measurements: 31 in. W x 36 in. D x 38 in. H Electrical: 208 V, 60 Hz