... 2. CE, ISO13485/9001/14001, SGS audited factory Specifications of RZ Milk Centrifuge/Lab CentrifugePower SupplyAC 220V/110V 50Hz/60HzMax speed1350rpmCapactiy50ml ... 52CelciusTimer0-5minThermostatic, stepless speed regulation, low noise, high quality motor, RZ Lab Centrifuge/Milk Centrifuge (CE, ISO)