This IEC Micro MB high-speed microcentrifuge accelerates to maximum speed in just 10 seconds. At the end of a run, the manual electric brake can stop the rotor in just 5 seconds. Power-interrupt safety switch keeps you in control at all times. Timer can be set up to 15 minutes with 30-sec. resolution, and also includes a switch for short momentary spin/pulse runs. With 24-place microhematocrit rotor, Micro-MB spins 24 capillary tubes up to 11,500rpm/13,460xG.