It has the advantages of small cubage,low weight,large capacity,low noise and so on.The frame is made of high strength plastic.It can be operated conveniently.It is an ideal instrument for hospitals,labs to make qualitative analysis to serum,plasma,radio-immunity. Time range 0min-30min Max. speed 4000r/min Max. RCF 2325×g Capacity 20ml×12 Power 220V 50Hz 135W Dimensions 280×310×265mm(L×W×H) Weight 12kg