The Model 642E is the world's best-selling clinical laboratory centrifuge. Easy two-button operation ensures repeatability and standardization, while advanced design delivers high-quality blood separation every time. Its preset speed and runtime make the 642E the ideal choice for consistency in doctor's offices, patient service centers, and outreach locations.Easy to Use: Spin samples with the press of just one button. The 642E processes 75-100 mm (3-10 mL) tubes for chemistry, coag, and PPP. Simple Settings: The 642E features a preset runtime of 10 minutes at 1,600 xg for all common chemistry needs. Built to Last: No routine maintenance. The brushless motor and unique convection-based cooling system ensure years of high-quality separations. Engineered for Safety: Protect your lab with the shatterproof lid and reinforced components. The automatic lid lock prevents the centrifuge from running if the lid is open. A Great Value: Get the world's #1 clinical laboratory centrifuge at a price that fits any budget. The unit arrives ready for use with the horizontal rotor, tube holders, and 2-year warranty included in the affordable price.