Sorvall RC-3B, which is an improved version of Sorvall RC-3, offers unsurpassed handiness, efficiency, and exceptional flexibility required in today's lab test centers. DuPont Sorvall RC-3B featuring H4000 rotor and buckets (4 place x 1 liter), can reach up to a maximum speed of 6,000 rpm. Other notable features of the device are electrical circuit breaker, automatic shut-off, door interlock, refrigeration, timer, and dial controlled functions. This machine with its range of features provides exceptionally smooth and quiet operation.