... 4. Timer:0-60min with hold function 5. Digital display 90-2 Tabletop Digital Low Speed Medical Centrifuge Centrifuge is common ... ,safety unit2. CE, ISO13485/14001/90013. Since 1984 Specifications of 90-2 Tabletop Digital Low Speed Medical CentrifugePower SupplyAC 220V/110V ... easy for use, low noise, large capacity and steady performance 90-2 Tabletop Digital Low Speed Medical Centrifuge (CE, ISO13485)