Microhematocrit and micro-centrifuge 24-place rotors and 6-place blood tuberotor. State-of-the-art design incorporates advanced safety features such as zero rpm lock, auto unbalance detection, and rotor recognition and shutdown. Built-in oversized LCD display provides real-time data. Push of a button speeds up or slows down the rotor witin 1000–13,000 rpm range (maximum 6000 rpm with blood tube rotor). Maintenance-free brushless DC motor is powerful and super quiet. Cover of the microhematocrit rotor incorporates a reader, allowing for instant reading and eliminating need for additional specimen handling.