... no carbon dust pollution, unnecessary to maintain, Microprocessor control, digital display which indicator the speed, time, RCF in operation, speed ... power AC220V/110V, 50HZ/60HZ, 5A Rotors available for table top multi-pipe centrifuge TD5 Order number Rotors Max speed ... rotor50006*50ml2850No.30613Fixed rotor50004*100ml2630No.30614Fixed rotor50006*100ml3130 Table top multiple pipe centrifuge