The refrigerated version of the Sigma 6-16S. It can easily hold its own against stand-alone centrifuges. It is suitable for use with a variety of swing-out and fixed-angle rotors. A variety of adapters enable the Sigma 6-16KS to accommodate charges from 4 x 800 ml to microtubes. The patented one-button control (Spincontrol S) and the motorized lid lock make operation especially easy.