Beckman Coulter Optima XLI-70K

Beckman Coulter ProteomeLab XLI (Optima XLI-70k) Protein Characterization Ultra centrifuge System, cat# 392762, class T. 

It has only 96769x10k rotations, equivalent to 300 hours of running time.

MFR date: 2014. It is a predecessor for Optima AUC for Absorbance/Interference analysis.

Rotors for this centrifuge: An-60 Ti rotor/ An-50 Ti rotor:

Maximum speed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 000 rpm / 50,000rpm

Number of rotor holes . . . . . . . . . . . . . . . . . . . . . . . . . 4 (3 for sample cells; 1 for counterbalance)/ 8 (7 for sample cells; 1 for counterbalance)

Relative Centrifugal Field* at maximum speed: 

       at cell center (6.5 cm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262 000 × g/ 182 000 × g 

       at r-max of the cell sector (cell bottom, 7.2 cm) . . . . . . . . . 290 000 × g/ 201 600 × g 

Approximate acceleration time to maximum speed . . . . . . . . . . . . 3 1/2 min 

Approximate deceleration time from maximum speed to zero . . . . 3 1/2 min

Missing optical parts and light source