USA E8 Test Tube Centrifuge. This superior centrifuge is manufactured in an ISO-certified, FDA-registered USA facility and sold in the human markets. Choose either variable speed with mechanical timer, or the touch screen model. Standard Features: • Angled rotor for spinning blood, urine, and fecals (without coverslips) • Short enough to fit under any counter, even with lid open • Includes both large and small tube sleeves for 3ml to 15ml tubes • Variable speed from 500rpm to 3500rpm (1535 g-force) • Touch screen model available for more precision speeds, and no knobs • Maintenance-free brushless 12vDC motor • Auto-switching power supply (110v or 220v input) - CSA approved • One year warranty on materials and workmanship • 9.5"H x 11"W x 11"D. 9.5 lbs J0501umt USA E8 Touch Screen, programmable with 4 presets. Most precise speed and time controls.