The refrigerated Model 5702R offers all the same convenient features of the Model 5702 (C1785A), with added benefits, such as temperature control for sensitive samples and a Fast Cool function that eliminates long waiting times for the centrifuge to reach set temperatures. The Model 5702R also includes unique features not offered in the Model 5702. For example, two blue-lit program buttons are provided for quick and easy recall of frequently used parameters. In addition, the Model 5702R offers two timer modes: the standard mode begins counting when the Start button is pressed; and the "at set rpm" timer begins the timer when the centrifuge reaches nominal speed, thus providing more consistent separation results. Rotor and adapter combinations can be determined at time of purchase.