Description Combo V24 Centrifuge Box with variable speed dial, timer, and brake (no tachometer) Accomplish both test tube and micro hematocrit separations with the new Combo centrifuge. The Combo spins either test tubes, capillary tubes or micro tubes by simply changing rotors - no tools required! Achieve hematocrit separations in less than five minutes at 12,000 rpm; then accurately determine results with the included reader disc. Other features include variable speed control, 30-minute timer, rubber feet, and all-metal body construction. One unit for all centrifuge needs Fast spin, fast stop, fast read Variable speed Controls Illuminated power switch Electric brake for quick stop High/low speed setting switch Auto-off 30 minute timer with bell Variable speed control Features Suction-cupped feet to prevent slipping Impact-resistant safe-view lid All-metal body construction Cooling fan for motor compartment Heavy duty high-speed motor Safety shut off switch in lid Locking lid Wide mouth for easy clean-up Specification High speed setting 12,000rpm Microhematocrit rotor: 14,500g Microtube rotor: 12,900g Low speed setting 4,000rpm Test tube rotor: 2,415g