purchase of refrigerated centrifuge for the department of vpa purchase of refrigerated centrifuge for the department of vpa , refrigerated centrifuge maximum speed of 25, 830 x g / 15200 rpm with 1.5 / 2ml rotor, with a brushless motor ? low speed down to 100 rpm for low speed applications ? microprocessor controlled refrigratedcentrifuge ? temperature range should be from -10°c to 40°c ? it should be able to maintain 4°c at the maximum speed. ? it should be possible to use aerosol tight rotor; aerosol tightness of rotor should be certified by a third party agency. ? smooth centrifuge bowl made of rust free material ? window in lid for independent speed checking ? instrument should be able to accommodate 30 x 2 number of 1.5 / 2ml tubes. ? instrument should have an in-built condensate drain to prevent water accumulation. ? it should be possible to perform a fast pre-cooling of the instrument using a dedicated fast temp function. ? acceleration curves : 09deacceleration :10, free run out ? timer ( s; h:min ) 10 secto 99 hrs 59 min ? it should be possible to store minimum of 05 programs via push button and high contrast lcd interface ? speed setting should be possible in both rpm and rcf. ? it should provide with aluminium rotor. ? should have the option to accommodate rotors for different formats of tubes starting from 1.5 / 2.0ml pcr tubes up to 15ml, 50 ml, 85 ml centrifuge tubesand 96 welled elisa plates. ? instrument should have automatic rotor and imbalance recognition facility to automatically recognize and set maximum speeds upon rotor change. ? rotor lids should have a quick lock-system for secure lid closing and opening. ? it should be possible to perform gentle acceleration and deceleration using dedicated key ? noise levels should be ?54 db ( a ) ? it should be possible to operate the centrifuge at set rpm, for short spin protocols. ? machine should be provided with two rotors: 1. fixed angle rotor for 6 x 50 ml with 6 x15ml suitable adapters and should able to accommodate 5ml tubes with certified click seal biocontainment lid. 2. fixed angle rotor for 30x2 - 1.5 / 2.0 ml tubes with certified click seal biocontainment lid min of rcf: 25, 830 x g / 15200 rpm. ? instrument should be certified with en / ul / iec 61010-1, en / ul / iec 61010-2-020 and 61010-2-101, ul listed / ce certified / ivd compliance / certified biocontainment ( attach certificates ) . ? warranty: three year ? should be quoted with suitable servo voltage stabilizer ( either inbuilt or included ) of 2 kva ? the quoted model of the instrument must have been supplied in a minimum of 10 government institutes in last 3 years. the user reserves the right to verify the usability, spare parts availability and maintenance of the equipment. ? the spare parts of the instruments must be made available for a period of 10 years from the date of submission of tender.