Complete Product Description

The Beckman Optima XL-90 is preparative Ultra centrifuge, air-cooled drive, for 220 volt at 60 Hz and 240 volt at 50 Hz operation. The XL-90 provides speeds up to 90,000 rpm and forces up to 694,000 g.

This state-of-the-art Optima XL90 ultracentrifuge line is able to reliably serve your lab for as long as you'll be there.  Why?  Beckman's' unsurpassed Optima series technology includes a frequency controlled vacuum encased induction drive- the first of its kind in the world.  Virtually NO friction means years of reliable performance for you and your lab. Next, the refrigeration system is thermoelectric.  Hi tech cooling means no Freon or CFC's.  The vacuum system is moisture purging and thereby drastically reduces maintenance. 

Bottom line - service engineer calls are a rarity!  The Optima Line comes in 3 flavors; the economical LE 80, the L series, and the 'Mercedes' -the XL series with all the 'bells and whistles'.

Rotor Recommendations for the Beckman Optima XL-90

Specifications for SW 28

A good match for you Optima XL90 might be the classic SW 28 swinging bucket rotor for separation of molecules requiring maximum resolution of sample 'zones' as in rate zonal studies. Since the buckets spin horizontal the longer run times result in superb resolution of sample bands. SW 28 Swinging Bucket  28,000 rpm max speed  141,000 x g max g force  k factor =246  75.3 mm  Aluminum rotor with titanium buckets  231 mL max capacity  6 x 38.5 mL (# of tubes x volume)