High-speed bench-top centrifuge for haematocrit determinations with brushless frequency drive. At 16.060 g sedimentation is completed in just a little over 6 minutes. The HC-240 centrifuge includes a segmented haematocrit rotor for 24 capillaries. With the segmented haematocrit rotor every capillary has its own chamber. If a capillary breaks, the fragments stay in this chamber or segment without affecting other capillaries.