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This unit has an attached, durable cover with safety interlock switch and seals that minimize aerosol emissions. Its 30-minute timer includes a hold position for continuous operation. The brushless motor and housing design minimize container temperature increases during operation, helping to protect specimen analytes
The 13-pound device rests on three rubber suction feet for good stability on the bench-top, where its small size (diameter 11, height 15) allows it to fit easily.
For labs that sometimes require high-speed centrifuging and more sophisticated features, Kendro Laboratory Products, Asheville, N.C., produces the Primo model as part of its extensive Sorvall line of centrifuges. This centrifuge offers great flexibility because it can function as a microcentrifuge, a high-speed and a general-purpose centrifuge in one instrument. A similar Primo R (refrigerated) model is also available. Both devices are available with a wide choice of rotors and adapters for tubes from 0.2 to100 ml and both produce speeds of from 300 to 15,000 rpm.
The devices include an automatic rotor recognition system and electronic imbalance protection. (Primo instruments accept fixed-angle, swinging bucket and micro-liter rotors.) The Highconic 6 x 50 ml fixed-angle rotor allows the centrifugation of conical cell culture vessels at up to 10,000 x g, while a high-performance 24-place microliter rotor rapidly accelerates 1.5 or 2 ml tubes to a maximum RCF of 21,885 x g. Both rotors are autoclavable to 121C.
Process control is via the EASYcontrol II panel, which displays all operational and run parameters. Time, speed and RCF values are set using a touch-pad, with two acceleration and nine braking curves available for sensitive sampl
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