Models 5424 and 5424 R are versatile 24-place centrifuge that set new standards for silence, speed and simplicity! They are the direct replacement for the legendary Models 5415 D and 5415 R. These centrifuges are whisper quiet, even when running without the rotor lid, to improve your lab environment. They provide centrifugation speed up to 21,130 x?g?(15,000 rpm), with additional spin functions, to satisfy all of your applications. The operating concepts and overall design are based on in-depth ergonomic studies, making everyday routines faster and easier.