The Thermo Scientific ST16R Refrigerated Centrifuge features auto-lock rotor system, click-seal bucket sealing system, SMARTspin technology, rotor detection, electronic imbalance detection, space-saving design, and outstanding energy efficiency. The ST16R is extremely easy to use with intuitive controls and one finger lid close. Easily pre-set speed, RCF value, running time, temperature, and running profile (acceleration and braking curves) for each run. This refrigerated model offers a temperature range of -10°C to 40°C with speeds from 300 to 15,200 RPM, dependent upon rotor used.