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ITEM NO.15 – FLOOR MODEL ULTRACENTRIFUGE, QTY: 1 NO. (FILE REF:
34/CCMB/APP/412/P12)
SPECIFICATIONS OF FLOOR MODEL ULTRACENTRIFUGE:
FLOOR MODEL ULTRACENTRIFUGE WITH ROTORS AND ACCESSORIES
Applications: Separation of Subcellular Particles, Varus and Viral Particles, Rate-Zonal Separation Proteins in
Sucrose Gradient, Separation of Lipoproteins, Pelleting RNA through a CsCl Gradient and Isopycnic Separation of
Plasmid DNA.
I
SPECIFICATIONS:
Maximum Speed : 100,000 rpm or more
Maximum g Force (RCF) : 800,000 x g or more
Control and Display : Microprocessor with Large touch-screen for user
friendliness and convenience
Speed Control Accuracy : +/- 10 rpm or less of set speed
Refrigeration System : Thermoelectric cooling for lower power consumption
Temperature Range : 0 to 40 C with 1C steps
Temperature Control : +/- 0.5 C of set temperature
Ambient temperature range of operation : 20C to 35C or more
Sample imbalance tolerance : + 5 ml or 10% whichever is greater.
Drive cooling : Air Cooled for lower power consumption and
maintenance
Accelerations/Decelerations profiles : 10 Acceleration/Deceleration or more profiles
Sound level : < 55 dBa or less
Heat Output : Should be less than 4000 BTU/hr
Power : 220 Volts, 50Hz, (Single Phase) with wide
tolerance for power fluctuations.
II
Essential Features:
- System should automatically check for possible errors with rotor induced parameters and
automatically make necessary correction.
- Ultracentrifuge should be able to accept Fixed Angle Rotor, Vertical Rotor, Near Vertical Rotor or
equivalent Swinging Bucket Rotors.
- Samples volumes for centrifugation from 5 ml to 1500 ml.
- Adaptors to accommodate small volume samples to large volumes should be available without
sacrificing the maximum g force of rotors.
- Ability to remove moisture with vacuum.
- Automatic restart with set parameters after power interruptions.
- Multi steps users programs.
- Simulation software provision.
- Speed / temperature vs. time plot.
- All regulatory and safety standards to be complied.
- Many user settable programs.
- Provision for Bio-safety features/upgradation to be offered as option.
III
Rotors:
Fixed Angle Rotor :
1. Capacity : 8 x 38 ml or more
Maximum Speed : 70,000 rpm 1 No.
Maximum g force : 500,000 g or more
K factor
: 45 or less
The rotor should be able to accommodate low volumes such as approximately 25ml
or 15 ml with adapters and without compromising the Maximum rcf of 500,000 g or more.
Near Vertical Rotor :
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