... DC motor, free maintenance, no powder pollution, micro computer control, digital display indicates the time Features:Brushless DC motor, free maintenance ... computer control, digital display indicates the time,speed and RCF. Electric lid lock, over speed and imbalance protection. The centrifuge body is ... accuracy±50r/minTimer0~99minNoise≤55dBADimensionØ295×250Nt weight5.1KG Mini Centrifuge