jjm2021- 22 procurement of 77 nos hot air oven natural convection type for various quality control laboratories of kerala water authority jjm 2021-22 setting up upgradation operation of laboratories for wqms procurement of 77 nos hot air oven natural convection type for various quality control laboratories of kerala water authority , jjm-2021-22-setting up / upgradation / operation of laboratories for wqm&s- procurement of 77 nos hot air oven natural convection type for various quality control laboratories of kerala water authority , supply and installation, validation including maintenance during warranty of hot air oven natural convection type with the following specifications: 1.pre heating chamber and the interior side of the doors should be made of stainless steel grade 304 and outer housing should be ss/ms powder coated or equivalent. inside ss 304 mirror finish clear bottom and round corner for easy cleaning; 2. capacity : 100ltr minimum; 3. setting and working temperature range; ambient plus 5 degree c to 300 degree c; 4. temperature variation at 150 degree c :1.5 degree c or better; 5. temperature fluctuation at 150 degree c : 0.5 degree c or better; 6. microprocessor based auto tuned pid controller with ce mark; 7. lcd/led display with dual display of set value and process value for precise control of temperature; 8. should have class2 integrated independent temperature safety device (din 12880) with visual alarm; 9. safety cum standby thermostat for protection from over temperature; 10. heating time up to 150 degree c not more than 50 minutes; 11. sufficient heating elements shall be provided on the walls of the chamber,so as to achieve uniform temperature in the oven in minimum time for the entire range of temperature specified ; 12. should have electromechanical control of the exhaust air flap; 13. door fitted on heavy non corrosive hinges with silicon gasket; 14. to be provided with removable and adjustable ss rod shelves/ gi wire mesh trays which ensure uniform temperature distribution (nos- 2minimum); 15. supply : 230v, single phase, 50/60hz; 16. should have ip protection 20 according to en 60529 and temperature safety device standard according to din 12880 certification; 17. energy consumption at 150 degree c should be not more than 2.5 kwh; 18. should be glp and gmp compliant; 19. should have ce conformity marking, eac,gs and ul certification; 20. should provide nabl calibration certificate; 21. hard copy of instrument manual with specification details shall be submitted; 22. iq/oq/pq documentation shall be provided; 23.each equipment shall be certified by calibration laboratory as per iso/iec 17025 at 280 degree c for 3 points for minimum two hours.warranty: 3 years for the entire equipment