Primary Function: The Beckman Coulter Optima L-100 XP Ultracentrifuge is a high-speed preparative ultracentrifuge used for separating biological samples based on density, capable of very high rotational speeds. It is a robust instrument designed for a wide array of research applications requiring precise and efficient separation.

Technical Specifications Overview:

1. Model: Optima L-100 XP
2. Manufacturer: Beckman Coulter
3. Maximum Speed: 100,000 rpm
4. Maximum g-force: 802,400 x g (with Type 100 Ti rotor)
5. Acceleration Profiles: 10 (including 9 slow rates or maximum acceleration from 0 to set speed)
6. Deceleration Profiles: 11 (including 9 slow rates, coasting to a stop without brake, or full dynamic braking from set speed)
7. Imbalance Tolerance: Safely accommodates tubes under- or over-filled by as much as 10% or +/- 5 mL, whichever is greater.
8. Noise Level: <53 dBa
9. Temperature Range: 0 to 40°C, settable in 1°C increments
10. Temperature Control Accuracy: +/- 0.5°C of set temperature
11. Ambient Operating Range: 10 to 40°C
12. Drive Cooling: Energy-efficient air-cooled drive
13. Refrigeration System: Thermoelectric, CFC-free
14. Vacuum System: Moisture-purging
15. On-board Computer & Software: Features an on-board computer with powerful Optima eXPert software and an easy-to-use touchscreen interface.
16. User Programs: Virtually limitless user-settable programs.
17. Dimensions (H x W x D): 49.5 x 37 x 26.5 inches (125.7 x 94.0 x 67.3 cm)
18. Weight: 1025 lb (465 kg)
19. Rotor Compatibility: Compatible with over 30 different Beckman preparative rotors, including SW series, NVT series, zonal, and continuous flow models. Typical configurations may include fixed-angle rotors with tube capacities such as 44 tubes. [Current Listing, 4, 8, 10, 11]

Applications:

1. Subcellular fractionation [Current Listing]
2. Virus purification [Current Listing]
3. Lipoprotein separation [Current Listing]
4. DNA/RNA purification [Current Listing]
5. Protein purification [Current Listing]
6. Proteomics, cytomics, and genomics research
7. High-purity plasmid DNA isolation
8. Isolation of subcellular particles

Current Availability Context:

The Beckman Coulter Optima L-100 XP Ultracentrifuge is frequently available on the used and refurbished equipment market from various specialized vendors. Pricing for these units typically ranges from approximately €17,000 to €20,230 or more, depending on the unit's condition, included accessories (such as rotors), and vendor. Many suppliers offer warranties, often ranging from 90 days to up to one year. For current pricing and availability, direct inquiry with vendors is usually required.