supply and installation of refrigerated centrifuge , refrigerated centrifuge , technical specifications for supply and installation of refrigerated centrifuge 1. type and make: refrigerated benchtop centrifuge • aerosol tight fixed angle rotor with capacity to accommodate a minimum 20 numbers of 1.5 / 2 ml microfuge tubes to be supplied with centrifuge • adaptor sets for 0.2ml pcr tubes and 0.5ml / 0.6ml microlitre tubes to be supplied • instrument should have option for easily changing rotor to swinging bucket, and or microplate or fixed angle rotor ( 15 / 50ml tube ) at later stage • must have wide temperature range of -11°c to + 40°c ( refrigerated ) , which can be adjustable during the run operation • must be able to maintain at 4°c at max. speed. • max speed of more than 12, 000 rpm, max rcf more than of 20, 000g • centrifuge must have a “fast cool” function where cooling process can be shortened • must have automatic temperature start up at a specific time to automatically pre- prepare temperature before centrifugation • acceleration time to maximum speed must be less than 14s for all rotors at max load and a deceleration time of less than 15s with the standard1.5 / 2ml rotor, but has option to accelerate and decelerate gently for sensitive samples using specific key. • centrifuge should have running time option for continuous run • power requirements: 230v, 50-60 hz, if stabilizer is required it must come with instrument 2. general features: • must have digital display of time, speed and temperature • programmable time and speed using jog dials / keypad • must be able to store 50 routine procedures with 5 programmable buttons for frequently used programs in the first level • able to switch display between rcf and rpm speed setting • separate short spin key • low noise levels less than 63db at max speed • brushless maintenance free drive • automatic motorised locking when lid almost closed 3. safety features: • iec 61010-2-020 or ce / ul certified for safety and compliance with international standards • rotor should be made of anodised aluminium to ensure chemical resistance • chamber must be of stainless steel material • any rotors, caps, buckets and adaptors supplied must be must be autoclavable at 121°c for 20min to completely eliminate any contaminating material • aerosol tightness should be certified by external body • automatic imbalance detection • automatic rotor recognition • 2-point lid screwing for maximum security even at high speed centrifugation • it should have built-in condensation drain to eliminate excess water to prevent corrosion. • should use cfc free refrigerant 4.warranty - two-year comprehensive on-site warranty ( minimum ) . 5. documentation should include user / technical / maintenance manuals, list of important spares and accessories with their part number and price and list of recent end-users in centrally or state funded research / academic institutes in kerala or other parts of india. 6.readily available service support based in kerala from manufacturer ( support document to be submitted from manufacturer side ) 7.the vendor needs to provide the address of certified and authorized service center for the quoted equipment in / nearest to thrissur, kerala. 8.the equipment should be installed, tested and demonstrated on-site at the requested location by authorized service agents of the manufacturer / vendor. 9.the equipment should be delivered at kfri sub centre, kuzhur, kakkulissery, kuzhur p. o. thrissur, kerala – 680734.