bids are invited for computer desktop - operating system - window 10 pro, processor family – 11th generation intel core tm i5, memory - 8 gb ddr4-3200 mhz, ram ( 2*4gb ) , storage- hard drive 256 gb sdd and 1tb sata hdd, display and graphics - display ( 19 or above ) graphics intel xe graphics 2g ports 4 with usb3 network interface - integrated 10 / 100 / 1000 gbelan, keyboard and mouse , printer ( multifunction ) - printer mfp ( black and white ) ( approx 20 ppm ) network printer , printer ( lasser ) - printer mfp ( black and white ) ( approx 20 ppm ) . resolution- 600 dpi × 600 dpi, hq1200 ( 2400dpi × 600 dpi ) quality , bar code reader - • 1-dimension barcode scanner• heavy duty with high scan speed ( 300 scans / seconds ) .• usb supportive with operating systems including windows and linux.• strong and sturdy• manual & automatic scanning available.• 2-meter-long, durable and sturdy cord.• perfect for rough usage.• compatible with mac, linux and windows• easy to operate , ups - type: offline / standby, output power wattage: 600 w, input voltage: 240 v|output voltage: 230 v, input frequency: 50 - 60 hz|output frequency: 50 - 60 hz , ups 2 / 3 kva - 1 output power capacity -true online double conversion 2 kva2 technology -rectifier & inverter both to be igbt based pwm3 certifications - bis standards ( certified at the time of bidding ) 4 input voltage range -120-290 vac @ 50% load, 160-290 vac @ 100% load, single phase5 input freq.- range 50hz + / - 5% ( auto sensing ) 7 output voltage -220 / 230 / 240 vac + / - 1 %8 output frequency-50hz ± 2 %9 output waveform - pure sinewave10 output power factor -0.9 or better11 efficiency > 90%12 battery type smf-vrla ( sealed maintenance free valve regulated lead acid ) 13 battery make exide / rocket / quanta / panasonic / csb / yuasa / relicell / rocket, uplus or equivalent ( battery sr. no on oem letter head with warranty assurance of 1 years ) 14 battery backup -800vah or more15 protection - inherent protection should be provided for output short-circuit and overload, inputfault, coldstart, lowbattery, batteryoverandunder charge, batterydisconnect, batteryself-testfeature, overtemperature, ovcd, external transient voltage surge suppressor, etc.16 lcd display-inputvoltage, inputfrequency, outputvoltage, output frequency, battery voltage, ups status, load level, battery level, discharge timer, battery disconnect and fault conditions17 by pass - automatic ( built-in ) bypass with enable / disable should be provided18 environment - noise level – less than 50 db at a distance of 1 meter19 operating temperature - 0-50° c20 relative humidity-10-90% rh @ 0-40° c ( non-condensing ) 21 miscellaneous - eco mode operation with enable / disable function total quantity : 1