Model:80-2BPrice:￥990Technical Parameters:Max.speed　　4000r/minMax.RCF　　2325（×g）Capacity　　12×20mlTime range　　0～30minPower source　　220V 50Hz /110V 60Hz 135WDimension　　280×310×265（L×W×H）Net weight　　12KgIntroduction:the frame of this instrument is made of high strength plastic. its model is beautiful,and it has the advantages of small cubage ,low weight,large capacity,low noise,high efficiency and so on. it can be used in hospitals and biochemical labs for qualitative analysis of serum,urea and plasma.?　　rotor imbalance protection device?　　speed choice in advance & acceleration accurate gradually?　　door switch