Timer range 0min-99min Noise <70dB Power 220V 50Hz Circcity power 400w Capacity 15mlx8 Max.RCF 3800xg Timing range 100-5000rpm Rotate speed precision <±20rpm Temperature rise <5℃ Dimensions 380x480x330mm(LxWxH) Weight 25kg Featured of low noise,wide speed range,high precise convenience.It is controlld by microcomputer and driven by inverter motor. IT is safe and reliable equipped with the electronic locks. Is can be used to separate plasma and suspended liquor in fields of biology,chemistry,medicine foodstuff,environment protection and so on