supply of equipment cooling centrifuge: 1. relative centrifugal force ( rcf ) >16800 x g 2. temperature range 0 to +40º c 3. timer: 30s to 9h, continuous 4. full digit display for ease of programming 5. should maintain constant 4º c at max. speed. 6. rotor, rotor lid and rotor bowl must be metallic, not plastic 7. inbuilt facility to avoid off and on of the compressor during refrigeration 8. should have low noise level <50 dba 9. compressor should shut down automaticallyafter non use of 7 to 9 hrs. 10. sample access height < 26cm 11. fixed angle rotor for 18 x 1.5 / 2ml tube with third party certified aerosol tight lid 12. should provide adapter for 0.2ml pcr tube 13. lid with faster locking facility i.e. ½ of a turn or better 14. should have service centre in kolkata / mohanpur , uv transilluminator ( with darkroom, camera and software ) : 1. epi white-light 2. camera with motorized zoom lens 3.one click image capture facility with auto lighting - auto exposure - auto focus function 4. should have uv table with uv lamp of 312nm for field of view 20 x 20 cm or more 5. scientific grade camera with camera resolution upto to 7.6 megapixels or better 6. camera must have usb-3 interface 7. 16-bit camera – 65 536 grey levels 8. camera should have motorized zoom lens with feedback 9. darkroom should be made up of steel and stainless steel 10. wide access door with uv safety shut-off function 11. software control of the lighting 12. should have white light led panels with automatic intensity adjustment 13. software with multiple user license for image acquisition with full glp compliance. molecular weight calculation, band quantification, colony counting, distance calculation, text annotation and image enhancement, 3d dynamic scan 14. should provide white light conversion screen 15. should supply with computer 16. should have service centre in kolkata / mohanpur , gel electrophorosis: midi horizontal electrophoresis system 1. a midi horizontal electrophoresis system should be able to run the gel size of 15 x 7 cm, and 15 x 10 cm. the system should be supplied with 15 x 10 gel trays with gel tank with safety lid. 2. the supplied gel trays should be uv proof and the trays can be directly kept on the uv transilluminator and should have a integrated fluorescent ruler in the tray. the ruler should get illuminated on exposure to uv light for easy and safe calculation of the band movements. 3.should be provided with a bubble leveler for even gel casting. 4. the gel caster should have 3 height adjustable screws for balancing the uneven platforms for uniform gel casting. 5.the electrodes should be color coded to remove the confusion of wrong orientation. 6.the lid should have a integrated cables to connect it to the power pac directly. power supply basic- programmable power supply should be capable to operate four electrophoresis units simultaneously for four identical runs with graphic led display. the output range should be 10-300 v , 0.4-400 ma, 1-75 w . constant voltage, current or power with automatic crossover memory storage: 9 programs , 9 steps, timer control : 99 hr, 59 min automatic power up after power failure, safety features: no-load detection; sudden load change detection. mini gel specification- for 8 x 7 cm gels- high throughput- capable of running up to 4 mini gel ( 8 x 7 cm ) simultaneously. should be supplied with the capability of running two gels .