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Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery voltmeter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v
Tender For bid to ras supply of compressor block with head and valve , piston and ring of air compressor , connecting rod with bearing , air filter , motor pully , oil seal , starter for three hp motor l andt , power supply board zero four eight seven six three one to eight eighty esab model no tig twenty two hundred i , micro switch for washing unit , protective lens for laser engraving machine f theta lens , protective lens for laser cleaning machine protective window or lens , cutoff switch sixty three amp of sixty three kva generator , copper lug twenty five mm , copper lug sixteen mm , insulation tape sixteen mm twenty five mtr , change over switch hundred amp , contactor aux point two no plus two nc coil voltage two twenty v seventy amp , amp meter zero to hundred ampt with ct , voltmeter zero to five hundred volt , electronic timer zero to sixty sec , over load relay zero to forty amp
Tender For bid to ras supply of handheld digital multimeter , dry cabinet with rh controller , lcr meter smart tweezers , soldering station with soldering tips , ac slash dc high sensitivity current probe , insulation tester , handheld lcr meter with accessories , usb to rs 422 converter uport 1450i-g2 , usb to rs 422 converter uport 1250i-g2
Tender For corrigendum : design, supply, installation, commissioning, training of various type of equipments for esdm (electronic system design and manufacturing) of msme training centers located at greater noida, bengaluru, puducherry and idemi mumbai on turnkey basis - decade resistance box , ct/pt calibration system , multifunction calibrator , decade capacitance box , ct analyzer , standard resistors , standard weights (el class) , pippete calibration system , low temperature bath (-80 to ambient degree temperature) , frequency counter , energy meter test system (3 position) , precision temperature stabilised resistance standard (high) , decade inductor box , precision temperature stabilised resistance standard (low) , sound level calibrator , digital power analyser , decade resistance box (4 nos.) , process calibrator , hv divider , decade mega ohm box , standard weights (e2 class) , 6 and half dmm , temperature indicator , time interval meter , temperature indicator with compensation , standard weights (f1 class) , semi-micro balance (upto 200 gms) , tachometer calibrator , standard thermocouple (type s) without compensation , sound level analyzer , standard platinum resistance temperature (prt) detector , precision balance (upto 6.1 kg) , thermo-couple calibartion furnace (300 to 1100 degree temperature) , lcr bridge , humidity measurement probe , dry block calibrator (ambient to 600 degree temperature) , anechoic chamber with radiated susceptbility and radiated emission test system , alltitude test chamber , compact emc tester , environmental chamber , digital pressure controller (dead weight pressure tester) , line impedance stablizing network , harmonics/flicker measurement test system , impulse generator , rf shielded chamber , vibration plus environmental chamber , three phase regulated variable power source , humidity generator, relative humidity , bump/shock test system , heat deflection temperature test set , vibration test system , electronic load , conducted rf immunity simulator , rohs testing lab - inductively coupled plasma optical emission spectrometer (icp-oes) , thermal shock chamber , ac dc current source , ultra precision capacitance bridge , esd simulator , horizontaland verticlal flame chamber , rohs testing lab - energy dispersive x-ray fluorescence spectrometer (edxrf) , single phase regulated variable power source , precision energy standard , rohs testing lab - gas chromatograph mass spectrometer (gc-ms) , ingress of water test system - i set , rohs testing lab - ion- chromatograph (ic) , needle flametest chamber , salt spray chamber , dust chamber , digital storage oscilloscope , defibrillator proof test set , thermostat endurance test set , flexing test apparatus , electrical safety tester , winding resistance meter , temperature recorder , radiation meter , tracking test apparatus , gas detector , cord anchorage test set , digital multimeter (handheld/desktop) , glow wire test apparatus
Tender For corrigendum : annual purchase of drinking water supplies, motor and other supplies for all the villages under kanchiganal gram panchayath channagiri taluk - bearing set//wat//, lock//wat//, cpvc bush 2 1/2 inch //wat//, cpvc bush 2 inch//wat//, cpvc bush 1 1/4 inch //wat//, cpvc bush 1 inch //wat//, cpvc union mta,fta 1 inch//wat//, cpvc elbow 1 inch//wat//, cpvc t 1 inch //wat//, cpvc colar 1 inch//wat//, cpvc bend 1 inch//wat//, cpvc pipe 1 inch//wat//, h d pipe 2 1/2 inch //wat//, h d pipe 2 inch //wat//, gi planel box 2x2 //wat//, ams/voltmeter//wat//, relay//wat//, axle blade//wat//, gum//wat//, motor 1 hp//wat//, copper cable 10 mm//wat//, copper cable 6.0 mm //wat//, copper cable 4.0 mm //wat//, coppercable 2.2 mm //wat//, gi pipe tata 2 1/2 inch//wat//, plaunge 2 inch //wat//, gi pipe tata 2 inch//wat//, gi nrv bush 2 inch //wat//, bore well cap//wat//, gi nipple 3 inch //wat//, gi nipple 2 1/2 inch//wat//, gi nipple 2 inch//wat//, nalli set 3/4 inch //wat//, nalli set 1/2 inch//wat//, pvc pipe 4g 2 1/2 inch //wat//, r r coplar 3 inch //wat//, r r coplar 2 1/2 inch//wat// , r r coplar 2 inch //wat//, pvc pipe 6g 3 inch//wat//, pvc pipe 6g 2 1/2 inch//wat//, pvc pipe 6g 2 inch //wat//, silvis valve 3 inch//wat//, silvis valve 2 1/2 inch //wat//, silvis valve 2 inch//wat//, starter 1 t l l k 32 a//wat//, starter board set l t l k//wat//, starter board set h t p//wat//, meter a/v wire 16/300 mm//wat//, meter a/v wire 12/305 mm//wat//, meter a/v wire 10/305 mm//wat//, meter a/v wire 10/90 mm//wat//, pump stage 18//wat//, pump stage 16//wat//, pump stage 14//wat//, pump stage 12//wat//, pump stage 10//wat//, motor pump set kmp 6+10//wat//, motor pump set kmp 10+16//wat//, motor pump set kmp 7.5+14 //wat//, motor pump set kmp 7.5+10//wat//, motor stage set 5/10//wat//, ball valve 2 1/2 inch //wat//, ball valve 2 inch //wat//, ball valve 1 1/2 inch //wat//, ball valve 1 inch //wat//, ball valve 3/4 inch//wat//, ball valve 1/2 inch //wat//, brass valve 2 1/2 inch //wat//, brass valve 2 inch //wat//, router//wat//, fuse 63a//wat//, dp switch 100a //wat//, dp switch 63a //wat//, fuse link //wat//, amps meter //wat//, auto starter//wat//, preventor//wat//, nrv 3 inch //wat//, nrv 2 1/2 inch //wat//, nrv 2 inch //wat//, clamp 2 1/2 inch //wat//, clamp 2 inch//wat//, clamp 1 1/2 inch //wat//, pvc bend 1/2 inch//wat//, pvc bend 3 inch //wat//, pvc bend 2 1/2 inch //wat//, pvc bend 2 inch//wat//, gi bend 2 1/2 inch //wat//, gi bend 2 inch //wat//, gi valve 1 1/2 inch //wat//, gi valve 1 inch //wat//, gi valve 3/4 inch //wat//, gi valve 1/2 inch //wat//, pvc valve 3 inch//wat//, pvc valve 2 1/2 inch //wat//, pvc valve 2 inch //wat//, pvc valve 1 inch//wat//, pvc valve 3/4 inch //wat//, pvc valve 1/2 inch //wat//, gi nipple 2 1/2 - 3 inch //wat//, gi nipple 2 - 2 1/2 inch //wat//, gi nipple 1 1/2 - 2 inch //wat//, gi nipple 1 - 1 1/2 inch //wat//, gi nipple 3/4 - 1 inch //wat//, gi nipple 1/2 - 3/4 inch//wat// , gi reducer 3 - 2 1/2 inch//wat// , gi reducer 2 1/2 - 2 inch//wat// , gi elbow 2 1/2 inch//wat//, gi elbow 2 inch//wat//, gi elbow 1 inch //wat//, gi elbow 3/4 inch //wat//, gi elbow 1/2 inch //wat//, pvc reducer 3- 2 1/2 inch//wat// , pvc reducer 2 1/2 - 2 inch //wat//, pvc elbow 2 1/2 inch//wat//, pvc elbow 2 inch //wat//, pvc elbow 3/4 inch//wat//, pvc elbow 1/2 inch//wat//, saddle 3 inch //wat//, saddle 2 1/2 inch //wat//, saddle 2 inch //wat//, gi t 2 1/2 inch //wat//, gi t 2 inch//wat//, gi t 1 1/2 inch //wat//, gi t 1 inch//wat//, gi t 3/4 inch //wat//, gi t 1/2 inch //wat//, pvc t 2 1/2 inch //wat//, pvc t 2 inch //wat//, pvc t 1 1/2 inch //wat//, pvc t 1 inch //wat//, pvc t 3/4 inch//wat//, pvc t 1/2 inch //wat//, gi collar 2 1/2 inch //wat//, gi collar 2 inch//wat//, gi collar 1 1/2 inch//wat//, gi collar 1 inch //wat//, gi collar 3/4 inch //wat//, gi collar 1/2 inch //wat//, pvc collar 2 1/2 inch //wat//, pvc collar 2 inch//wat//, pvc collar 1 inch //wat//, pvc collar 3/4 inch //wat//, pvc collar 1/2 inch //wat//, a
Tender For supply of mains power control and isolation module - tabletop with mains power control and isolation module single phase mains power supply - ac power panel having as per attached specification. , variable dc power supply range- 0-300vdc/5a as per attached specification. , digital multimeter with eht probe as per attached specification. 26.00 , low range pressure calibrator range - (30g/100g/300g) as per attached specification. , high range pressure calibrator range- 0 to 150kg/cm2 as per attached specification. , voltage source as per attached specification. , variac (range- 0-270 vac/4a) as per attached specification , megger (100 - 500 vdc) as per attached specification. , temperature gun as per attached specification. , 50 mhz oscilloscope as per attached specification. , function generator as per attached specification. , clamp meter (range - 0-50ma) as per attached specification. , clamp meter (range - 1-10a) as per attached specification. , decade resistance box as per attached specification. , soldering & desoldering station as per attached specification. , digital pressure gauge range-(0 -100 bar/ - 1 to 7 bar) as per attached specification. , process calibrator with hart as per attached specification. , test lead sets as per attached specification. , adjustable table lamp with magnifying glass as per attached specification.