Beckman Coulter XL-90 Ultra centrifuge, 100,000 rpm In Pleasanton, CA, USA (CAT#: STEM-LCPO-0190-YJL)

Beckman Coulter XL-90 Ultra centrifuge, 100,000 rpm In Pleasanton, CA, USA, model XL-90 Ultra centrifuge, is manufactured by Beckman - Coulter laboratory centrifuges.
Beckman XL-90 Ultracentrifuge runs great, from a downsizing pharmaceutical company. 90 day warranty. Fixed angle and swing bucket rotors available.
The Beckman Optima™ XL-90 Ultracentrifuge is a high performance solution designed to perform 100,000 rpm with centrifugation forces that reach up to 802,400 g. This Beckman centrifuge is built with a microprocessor-controlled design that enables storage of as many as nine user programs. One of the system attributes, the ESP™ Efficient Sedimentation Program stimulates gradient formation and sample separations with a wide range of rotors to choose from.
With the Optima™ XL-90, a single push of a button is all it takes to store and recall user-customized programs. Delay start can be programmed for convenient finishing time. User setup employs automatic preheating, precooling, vacuum, and dry cycle. Moreover, acceleration/deceleration profiles allow immediate customization of operating conditions. Diagnostic display also helps users monitor run conditions.
Other features of the Beckman Optima™ XL-90 centrifuge include dual display of "Set” and "Actual” run parameters, a circuit breaker, a touch key control panel, and a built-in printer on top of display housing.

Condition: Used
Set speed: 5 000 to 130 000 rpm in 1; 000-rpm increments
Speed control: Actual rotor speed, ±50 rpm of set speed
Speed display: Actual rotor speed in 100-rpm increments above; 5,000 rpm and 10-rpm increments at speeds below 5,000 rpm
Time: Set time to 99 hours 59 minutes
Time display: Manual operation: indicates run time remaining; Programmed operation: time remaining in step
Temperature: 0 to 40°C in 0.1° increments
Temperature control (after equilibration): ±2°C of set temperature
Temperature display: Actual rotor temperature in 0.1° increments
Ambient temperature range: 15 to 35°C
Humidity restrictions: < 95% (noncondensing)
Vacuum: Below 10 microns (1.34 Pa)
Acceleration: 10 acceleration profiles — 9 slow rates from 0 to 5 000 rpm; followed by full acceleration to set speed; or maximum acceleration
Deceleration: 11 deceleration profiles — 10 slow rates from 5 000 to 0 rpm,; including coasting to a stop without brake;; or full dynamic braking from set speed
Dimensions (h x w x d): 58.4 cm x 73.7 cm x 58.4 cm; (23 in. x 29 in. x 23 in.)
Weight: 99 kg (217 lb)
Ventilation clearances (sides and rear): 7.6 cm (3.0 in.)
Control panel: Coated polycarbonate
Top surface: Urethane paint
Other surfaces: General purpose paint
Electrical requirements: 90–110 VAC, 12 A, 50/60 Hz; 100–130 VAC, 12 A, 50/60 Hz; 198–254 VAC, 6 A, 50 Hz
Maximum heat dissipation into room under steady-state conditions: 1750 Btu/hr (0.5 kW)
Noise level 0.91 m (3 ft) in front of centrifuge: < 60 dBa
Installation category: II
Pollution degree: 2

Microprocessor-controlled design
ESP™ Efficient Sedimentation Program
Programmable delay start and dual display
User setup with automatic preheating, precooling, vacuum and dry cycle

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