Microprocessor control, LED or LCD display (by user's choice),touch panel for easier visibility and access .AC brushless frequency-conversion motor without carbon dust pollution ,and many kinds of rotors are available for convenient use. Electronic door interlock for safe operation. The time can be set up to second, and the speed can be the lowest as 300r/min for customer's special requirements. Fast acceleration and deceleration function;the shortest ACC time is 30s,the shortest DEC time is 28s .ACC and DEC time can be set. RCF value can be calculated automatically with the function of self-balance. Technical Data: Model TD5.5 Max Speed 5500r/min Max RCF 5310xg Max Capacity 2000ml(4X500ml) Timer Range 1S-99min Shortest Acc/Dec Time ±30r/min Rotate Speed Accuracy ±30r/min Power AC 220V50HZ 6A Noise ≤65db Dimensions 470×560×380mm Weight 42KG