refrigerated centrifuge supply of refrigerated centrifuge to kfri , refrigerated centrifuge: , technical specifications 1. maximum speed: 30, 000 x g rcf / 17, 500 rpm, with a brushless motor 2. speed setting should be possible in both rpm and rcf 3. temperature range : -11°c to 40°c and should be able to maintain 4°c at maximum speed 4. system should be capable of using both fixed angle and swing bucket rotors 5. system should be able to accomodate dedicated rotors for 5 ml tubes 6. system should be possible to use aerosol tight rotor. aerosol tightness of rotor should be certified by a third-party agency 7. system should have an in-built condensate drain to prevent water accumulation 8. system should have fast temperature function for rapid cooling of centrifuge 9. system should have a programmable temperature function to allow automatic precooling based on pre-programmable time and date 10. system should be possible to store a minimum of 50 programs with 5 quick access program keys 11. system should be able to start the timer count only when the set centrifugation rpm is reached, to support the short spin protocols 12. system should possess a separate short spin key for brief spin with user defined speed for brief spinning 13. system should be possible to program compressor shut off after a definite hours of non-usage of the centrifuge 14. system should have the flexibility to accommodate rotors for different formats of tubes starting from 0.2 ml pcr tubes up to spin column tubes 15. system should have automatic rotor recognition facility to automatically recognize and set maximum speeds upon rotor change 16. system should be possible to perform gentle acceleration and deceleration using dedicated key 17. system should have lock function preventing program setting overwritten or changing 18. system should be menu-driven with backlit display 19. noise levels should be ? 54 db ( a ) for quite operation 20. should have facility to validate speed temp and time with certified device 21. system must have an usb-port for service maintenance rotors: 22. should be supplied with a fixed angle rotor for 6 x 15 / 50 ml conical tubes with maximum speed of 7, 000 rpm and 7, 500 x g and 23. metallic rotor lid should be available 24. rotor and rotor lids should be autoclavable 25. rotor lids should have a quicklock-system for quick opening and closing of rotor lid warranty: minimum two years