Smartxchoices table-centrifugal machine is designed for scientific research, the centrifuge has become a popular tool in schools, universities and even home kitchens. It has a maximum capacity of 6 x 20ml and a maximum speed of 4000rpm, making it a great choice for low volume sample separation. Intended as a worktop centrifuge, it's compact and quiet enough to install in an office or classroom as well as in laboratories and medical settings. The speed dial ranges from 0-4000rpm and it has a 0 to 60 minute timer. Features: Large capacity, Light weight Economic LAB Centrifuge, easy and fast Small cubage and quiet laboratory , science and producing department for biology, medical and chemistry etc. The lower-speed centrifugal machine with the maximum speed 4000r/min, mainly be used for the appraisal of radioactivity immunity and separation of cell or particle. Specifications: Power Supply: AC110V / 60Hz Speed: ≥3000r/min, ≤4000r/min±10% Maximum Speed: 4000r/min±10% Adjustable Speed control from 0-4000RPM Time Range: 0-60min or always on (Mechanical Time) Capacity: 20ml × 6pcs (total six tube) Maximum Relative Centrifugal Force:1435*g Dimensions: include 6 pcs Plastic centrifuge tubes Diameter20mm , length is 105mm Adjustable Speed control from 0-4000RPM Maximum Relative Centrifugal Force:1435*g Product Dimensions: 8 x 8 x 8 inches ; 10 pounds