The rotation speed, temperature, time and LED or LCE display are controlled by Microprocessor.The AC brushless motor with frequency conversion has high start torque and short acceleration and deceleration time.The protective functions of electronic door interlock, over-speed, over-temperature for safe operation; Have 3 tiers of protection cover for the safety of human and instrument.With many kinds of rotors for convenient use.The imported refrigeration system without Freon for the purpose of environment protection.Widely used in radicalization immunity, biochemistry, biologic pharmacy, blood separation and purification.Max.Speed:5350rpmMax.RCF:5030(xg)Max capacity: 4×750mlControl: Microprocessor controlDisplay screen: LED / LCE (by user’s choice)Speed accuracy: ±30r/minTime range: 1s-99min 59s or continuousTemperature range: -20℃~40℃Temperature accuracy: ±1.5℃Refrigeration system: Non-Freon Refrigeration SystemNoise: <65dB(A)Weight: 120kgModel:HL535A:Microplate Rotor:4X2X96Max.speed:4000 r/minMax.RCF:2850XgModel:HL535B:Microplate Rotor:2X2X96Max.speed:4000 r/minMax.RCF:2200Xg