Product Description Vacuum-encased induction drive Timed runs up to 9 hours and 59 minutes Choice of cooling systems Rotor imbalance detection GMI Offers Installation & Training From Our World-Class Beckman Trained Engineers Full Proof of Performance Certification Included The Beckman L7-75 is a high-performance ultracentrifuge designed for laboratories with no-compromise centrifugal needs and budget-minded users. The L7 drive system is todays advanced version of the Beckman drive that revolutionized ultracentrifugation. The Beckman L7-75 centrifuge is equipped with a frequency-controlled direct drive that provides long-term reliability by eliminating brushes. Along with this, the Beckman centrifuge also has gears and fluid-drive pumps, as well as major maintenance and wear-points on other drives. Designed to eliminate high-speed vacuum seal, the L7-75 ultracentrifuge carries a vacuum-encased induction drive which reduces heat output to 6150 Btu/hr and noise output to less than 60dB. The simplified drive design of the Beckman L7-75 ultracentrifuge and the efficient use of energy result in the fastest acceleration/deceleration times in its class, as the system requires only 7.35 minutes to accelerate the 60Ti rotor and 6 minutes to decelerate. Beckman L7-75 Ultracentrifuge Specifications Dimensions (H x W x D) 51 in x 38.5 in x 27.5 in Weight 1230 Ibs Power 30A Amp, 208-240 volt, 50-60 Hz