Latest transformer fan repair Tenders | Government transformer fan repair Tenders

CTN :45430786

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of electronics andcommunication engineering lab materials - electronics and communication engineering lab materials, dso (digital storage oscilloscope)bandwidth: 50 - 100 mhz.sampling rate: 1gs/s.channels: 2 (minimum)power supply: 100v 240v ac, 50-60 hzautomatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc.,horizontal scale: 5 ns/div 100 ns/div or equivalentvertical resolution: 8 bits (2 channels simultaneously)vertical sensitivity: 1 mv/div 10 v/div (at input)waveform math: +, -, x , , invert, fft etc.,waveform storage: 16 waveforms or equivalentcommunication interface: usb host, usb interface.7-inch color display or equivalentbasic trigger functions, digital ic trainer kit with breadboard5v dc, 1a regulated power supply 12v dc / 15v, 200 ma regulated power supplysolderless breadboard to accommodate 8 16-pin icszif (zero insertion force) ic socketssupports ttl and cmos icslogic io leds for output monitoring8 buffered led outputs8 debounced switch inputsttl clock: 1 mhzvariable clock generator: 0.5 hz to 50 hzsingle pulse output: 100 ms (buffered, positive and negative outputs)one seven-segment display with 4 bcd inputsbuilt-in logic probesbuilt-in logic switchesexperiments on basic logic gates, flip-flops, counters, and multiplexers, eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, decade resistance boxrange: 1 to 10 m , steps: 1-10-100-1k-10k, accuracy 1%, suitable for filter and oscillator experiments, decade inductance boxrange: 1 h to 10 h, rotary switch selection, low loss inductors, accuracy 1%, , suitable for filter and oscillator experiments, 8051 micro controller kitoperating voltage: +5v dc4 kb flash (at89c51) / 8 kb flash (at89s52)ram: 128 bytes internal ram16 2 alphanumeric lcdpush buttons / tactile switchesdip switches for digital inputinbuilt adc interface : ldr,potinbuilt dac interfaceinbuilt stepper motor driver with stepper motorinbuilt dc motor driver with dc motor1x4 led array, 1 x4 keypad, 1x relay1x buzzer, 16x2 lcd display, 1x pwm driver1x hardware interrupt key, inbuilt rtcinbuilt eeprom, inbuilt uart module4x7 segment display, both assembly and c language programmable, pc interfaceable., single phase induction motorsingle phase induction motor, 230v ac, 50hz supply.power rating 1 hp (0.75 kw).speed 1440 rpm.capacitor start/run type suitable for lab useloading setup portable ammeter and digital tactometer contact type, auto transformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., temperature measurement kitsensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc).display: 3 digit led/lcd digital display (typically 200mv fsd).temperature source: portable water kettle or heater block.signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation. test points: multiple 2mm/4mm banana sockets for monitoring input/output signals.power supply: 230v ac, 50hz, single-phase.accessories: includes a glass thermometer, ntc thermistor probe 10k, k-type thermocouple probe, patch cords, and instruction manual., ask modulation and demodulation kitmessage signal 1 : 8 bit variable data, amplitude 5vmessage signal 2 : debounce data, amplitude low (0) & high (5v)message signal 3 :fixed data 25k, 12.5k, 6.25k, 3.12k, amplitude 5vcarrier signal : sine wave frequency 200 khz, amplitude 5vmodulator type : switching icdemodulator : envelope detector & lpfcomparator : lm 311 basedsupply voltage (board) : +12v, +5v / dcsupply current : 100 ma (minimum)input voltage : 230 v/ 50 hz acinterface connectors : 2mm banana socket, dth trainer kitpower supply 200v to 240v ac, 50hz,dish antenna 1.5 aluminum steerable, lnb low noise block down converterinput frequency ku band.output frequency 950 to 1450 mhz.conversion gain 65 db.noise temp 35 degree k max.set top box receiver in traine

CTN :45430790

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of mechanical engineering lab materials - mechanical engineering lab materials, serve motor drive kitinterface l293d motor driver ic with arduino to control direction of rotation of two dc motors), bldc motor kitbldc motor 1 nobldc motor drive -1noinbuilt volt and ammeter and rpm meterinbuilt power supplyinput 230v ac, lvdt trainer kit complete educational trainer for linear variable differential transformer (lvdt) displacement measurement. built-in ac excitation source and signal conditioning circuitry for lvdt operation. micrometer assembly for precise linear movement of the lvdt core. displacement range ~10 mm with clear front-panel adjustments for zero & calibration. digital display (typically 3 -digit) for direct readout of conditioned output/displacement values. test points and banana sockets for signal observation on external instruments. self-contained unit in a durable enclosure with labeled controls and educational layout. includes user manual and patch cords for experiments. operates on 230 v ac, 50 hz mains supply., multi-cylinder petrolphase : single phase load: mechanical load with ropenumber of cylinders : 4displacement : rope brakepower : 65hp,4000 rpm,1396 ccbrand material : mild steelengine type : 4 stroke self startfrequency : 15hzfuel consumption : petrolfuel tank capacity : 5 letermorh s test rig, tail stock assemblyheavy-duty lathe tailstock assembly for training; cast iron body with base, barrel (quill) ~50 75 mm stroke, hand wheel feed, dead centre mt2/mt3, set over screws for taper turning, spindle clamp, complete with all internal parts for dismantling and reassembly; suitable for 300 400 mm centre height training lathe., dc motorvoltage 220-440 v dcpower - 180 w speed - 200 rpm, hydraulic cylinderdouble acting hydraulic cylinder, bore 40 50 mm, stroke 200 300 mm, working pressure up to 100 160 bar, steel tube with honed bore, hard chromed piston rod, front & rear end caps, piston with seals and wear rings. supplied as standalone unit with suitable mounting for dismantling, inspection and reassembly., hydraulic opreated directional control valve (dcv)manually operated 3/2 or 4/2 way spool type hydraulic directional control valve, nominal size ng06 (cetop 3) or equivalent, rated pressure 210 bar, flow 20 40 lpm; valve body with hardened and ground spool, centering springs, ports p a b t clearly marked. supplied on small mounting plate for dismantling, inspection and assembly practice., bearing with shaft assemblyteaching unit with shaft 25 35 mm dia mounted in housing with deep groove ball bearings (6205 / 6206 class) at both ends; includes locking arrangements (circlips, lock nuts, covers). designed for repeated removal, cleaning, lubrication and refitting of bearings, with provision to mount on bench or test rig., coupling unit using driving and driven shaft plumber block bearing unit1. the plummer block housingmaterial: cast iron (grade fg 200 or equivalent). type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice.2. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm (ideal for lab scale).mounting: adapter sleeve mounting (h-series) to teach students how to lock a bearing onto a smooth shaft.3. shafting and couplingshaft material: ground carbon steel (en8 or en9) for high surface finish.coupling type: * flexible coupling: to demonstrate the bearings ability to handle slight misalignment.rigid flange coupling: to demonstrate traditional direct connection.driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., spring test machine load & displacement sensing load cel * capacity: 0 10 kno accuracy: 1% fs (better if 0.5% fs) displacement sensor * lvdt / digital encodero accur

CTN :45444502

11 Jun, 2026 NA

Arantangi - Tamil Nadu

Tender For purchase of lab equipments for department of ece - single output regulated variable power supply (as per notice invaiting tender), dual output regulated variable power supply (as per notice invaiting tender), function (signal) generator(as per notice invaiting tender), dc voltmeter each (as per notice invaiting tender), dc ammeters (as per notice invaiting tender), eliminator transformer (stepdown) (as per notice invaiting tender), moving coil microphone (as per notice invaiting tender), decade resistance box (as per notice invaiting tender), decade capacitance box (as per notice invaiting tender), decade inductance box(as per notice invaiting tender), 8051 micro controller trainer kit (as per notice invaiting tender), embedded trainer kit (using lpc2148)(as per notice invaiting tender), auto transformer (as per notice invaiting tender), temperature measurement trainet kit (as per notice invaiting tender)

CTN :45413370

12 Jun, 2026 NA

Multi City - Andhra Pradesh

Tender For supply of 1250kva,415v/0-470v,1600amps per phase, 3-phase variable auto transformer or variac or dimmerstat for conducting hv test(forward charging) at dr. nttps

CTN :45435023

16 Jun, 2026 NA

Perambalur - Tamil Nadu

Tender For supply of lab equipments for eee dept - eee dept lab equipments, single phase transformer, loading rheostat i phase, linear variable differential transformermeasurement trainer, single phase to single phase cycle converter kit, pwm based step down dc chopper usingmosfet/igbt kit, single phase single pulse/sinusoidal pwm inverter using mosfet/igbt kit, on / off control of lamp using solid state relay kit

CTN :45430527

19 Jun, 2026 NA

Patiala - Punjab

Tender For supply of medical equipments in various locations in distt. patiala (as per detail attached) - supply, ot table, hydraulic operated with smooth gear mechanism, double cylinder loak proof, stainless steel, medical refrigerator 250-300 ltr. with shelf temperature setting (approx) +0 to +8 c, voltage 220 - 240 v, freguency 50/60 hz, ot light ceiling mounted single dome 12 led with led 50000 lux 22" dia dome with 4 reflector of 8 dia. auto spring balanced, heavy duty step down transformer. sterilizable central handle., ecg machines 12 leads single print 10-hour standby time, continuous print more than 3-hour, auto-analysis and auto-diagnosis for routine ecg parameters, built-in large capacity memory, casseta 14*x17* for pre-installed dr system for xray at mkh patiala make agfa, semi auto analyzer with built in software for the calculation and curve plotting. light source led, open system capable using all grand reagents and all the test programs should be in open mode. user interface: lcd display with touch key board, flow cell type permanent flow cell. memory >= 500 tests, in-built thermal printer, in-built thermal printer required, accessories to be supplied 1. micro pipettes (* no.) - 2 variable (5-50), (100-1000), small tips 500 nos. & large tips- 500 number, laproscopic surgical instrument set, ups 1kva offline for ultrasound machine simulated sine wave or better voltage avr mode 200-245v voltage battery mode 230vac +10%e frequency (htz) on battery 50/60hz + 0.1hz, 30 min backup, iso 14001/bis certification, biphasic defibrillator monitor 8.4" inch size screen, charging time of less than 9 seconds for maximum energy of 2 to 360 joule, synchronized & asynchronized cardio-version and having in-built thermal printer, monitoring 12 lead ecg, heart rate, spo2, & nibp, 230v, 50hz ac mains and battery capable of delivering up to 50 shocks at 200 joule, iso /en 60601-1, certified, oem warranty 3 year, boyles apparatus, 4 cyl mechanical with 3 gas system with hypoxic guard with 2 vaporizer (halothane & isoflurane), ice lined refrigerator (ilr) 144 lt 220 volt 50 hertz, in build stabilzer led (3-digit digital display), galvanized steel, stem alchol thermometer, ground clearance (min) 100 millimeter, holdover time (in a continuous external temperature of +43 degree celsius -24 hour, sets of instruments used for laparoscopy surgerya. gull bladder extractor, b. call stone spoon extractor c. 10 mm safety trocar, d. aspiration needlee. 5mm and 10 mm reducers, metallic continuous spray pump 1.5 ltr. (ganesh pump) type: hand compressor sprayer, tank: brass. tank capacity: 1.5 lit. pump barrel brass, working pressure, 40 - 45 psi, baby warmer steel tubular structure pretreated and powder coated heater rotation +90, bed tilt should be 615 , led displays, aulomatically cut off at 38 degree celsius, probe accuracy specilication: +0.1 c @ 30 c to 42 c, 200 to 240vac 50 hz supply

CTN :45417602

10 Jun, 2026 NA

Tiruvallur - Tamil Nadu

Tender For supply of lab items for eee and mechanical - eee and mechanical lab items, single phase transformer rating: 1 kva, 50 hz input: 230 v ac output: 115 v ac type: air-cooled, single-phase step-down transformer properly insulated input and output terminals brought out for safe operation, three phase transformer type: three phase transformer rating: 3 kva input voltage: 415 v ac, 3-phase output voltage: 230 v ac, 3-phase frequency: 50 hz winding material: copper wound insulation class: class b or higher duty: continuous duty suitable for laboratory use bench/floormounted suitable for laboratory operation. all winding terminals shall be brought out to insulated terminals and enclosed within a protective outer cover for safe laboratory operation , on / off control of lamp using solid state relay kit type : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status , mcb elcb trainer kit 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5amps two pole elcb 30ma lamp load single phase 5amps panel enclosure and terminal outlets , single phase induction motor kit for load test by speed control of vfd (variable frequency drive) 2 hp single phase 230v complete load test experimental setup(with brake drum/pulley) induction motor -1 no work bench setup with digital meter -1 no motor stand with ant vibration bush 1 set loading arrangement with spring balance non-vibrating brake arrangement with stand and electrical work bench , 3 phase induction motor kit three phase squirrel cage induction motor with rope brake arrangement non-vibrating brake arrangement with stand and electrical work bench three phase squirrel cage induction motor 5 hp, 440 v, 1440 rpm, foot mounted type, frame size 132 mm, core length 110 mm, mechanical rope loading set up with 1" screw rods 2 nos, 6" adjustable wheels 6" 2 nos, back support frame, 9" aluminium drum, 0 50 kg spring balances 2 nos , dc shunt motor kit for load test dc shunt motor rope brake arrangement non-vibrating brake arrangement with stand and electrical work bench d.c. shunt motor 5hp, 220v, 1500 rpm, foot mounted type, frame size 132 mm, core length 110 mm, field current 0.5a, armature current 11a, 4 pole with inter poles, mechanical rope loading set up with 1" screw rods 2 nos, 6" adjusting wheels 6" 2 nos, back support frame 9" aluminum drum, 0 50 kg spring balances 2 nos. , bldc motor kit with electrical work bench *36v 400w bldc pro motor 1 no inbuilt volt and ammeter and rpm meter inbuilt power supply input 230v ac

CTN :45175471

08 Jun, 2026 NA

Billimora - Gujarat

Tender For corrigendum : supply of bi facial solar panel 550 watt , topcon solar panel 610 watt , cut section of gate valve,globe valve,ball valve,diapharm valve,needle valve,check valve,safety valve,butterfly valve,pnematic control valve 4 inch diameter , cut section of centrifugal pump,gear pump,multistage c f pump,reciprocating pump,screw pump , cut section of shell and tube heat exchanger acrylic material , cut section of reactor with accessories motor,agitatot,support leg,nozzle,manhole,baffels,thermo well,bottom valve , gauge manifold with gauges different size of hoses for r134a,r22,r32 and r 410 , wash bag cover jacket for ac service indore 1 point 5 ton,2 point 5 ton capacity , safety belt, industrial type full body protection double rope double hook,100 kg human weight , embroidery machine , brake test arrangement with two spring balance 0 to 25 kg rating , automatic motor coil winding machine with step arbor , three phase variable auto transformer ac varic 3 phase , 0 to 440v, 25a, 50 hz , synchronous motor, with accessories , vfd ac drive ac motor drive with vvvf control 3 phase , single phase transformer, core type, air cooled,1 kva,240 or 415 v,50hz , stepper motor with digital controller , bipolar , 12v dc , input pulse 5v, step angle 1 point 8 , power supply 230 v ac , oprating condition 0 to 40 deg c , bldc motor fan with controller 40 watt , servo motor with contoller 300rpm,12v dc,6mm dia and 15mm legth shaft ,holding torque 30kg cm,no load current 0 point 8 amp,full load current 7 point 5 amp , electrical test bench integrated with 0 to270v ac variac 25a ) /bid number : gem/2026/b/7525454 * /dated: 13-05-2026 & & / bid document 1 / 20

CTN :45386617

06 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For ece lab items dept use - eliminator transformer (step-down) kitinput - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, strain gauge trainer kitmetal foil strain gauge mounted on beam/cantilever strain measurement under applied load wheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltage zero and gain adjustment controlsprovision for applying calibrated loads regulated power supply, 230 v ac, 50 hz table-top trainer with labeled paneltest points to measure the signalsbuilt in power supplies and wooden closed cabinet supplied with patch cords and experiment manual, temperature measurement kitsensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc).display: 3 digit led/lcd digital display (typically 200mv fsd). temperature source: portable water kettle or heater block.signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation.test points: multiple 2mm/4mm banana sockets for monitoring input/output signals.power supply: 230v ac, 50hz, single-phase.accessories: includes a glass thermometer, ntc thermistor probe 10k, k-type thermocouple probe, patch cords, and instruction manual., sim reader trainer kitsim compatibility supports 2g 3g 4g lte sim cards,sim reader mode: reading writing gsm sim card data, imsi, ki codes, phonebook interface usb 2.0 or rs 232 serial port for pc communication.clock frequencies: selectable frequencies 3.579 mhz, 7.159 mhz, 14.318 mhz for sim card operation.power supply: onboard smps 12v 2a or 5v dc with overload protection. hardware components:6-pin or 8 pin sim card socket.led indicators for power, sim reset, and data activity.optional lcd 128x64 and keypad 20 keys for standalone operation. software tools support for at commands gsm etsi 07.0707.05, sim manager utilities, and data logger functionality. common trainer kit featuresfault simulation ability to create faults e.g., sim not detected, vcc failure for troubleshooting.test points: multiple test points e.g., 55 nos for observing signals sim rst, clk, i o via oscilloscope.construction tested glass epoxy pcb, often housed in a study educational case., dual output regulated dc variable power supplydual output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, lvdt sensor trainer kitac mains power supply : 230v 10%, 50hzfixed regulated dc power supply : +5v, 12v 500matransducer : lvdtlvdt displacement : 20mm (40mm total)displacement scale : linear 20mmdisplacement display (mm) : red color 3 digit led displayexcitation frequency : 4khzexcitation voltage : ac variable 5v, dc digital voltmeter - 3 digit led/lcd display, measurement range: 0 20 v dc, accuracy: class 0.5( 0.5 % full-scale), dc ammeter digital - 3 digit led/lcd display, measurement range: 0 5 a dc, accuracy: class 0.5 ( 0.5 % full-scale)

CTN :45384463

08 Jun, 2026 NA

Nagapattinam - Tamil Nadu

Tender For supply of eee dep upgradation & loboratories - eee dep upgradation & loboratories, transformer oil bdv test kit, loading rheostat three phase, single output regulated dc variable power supply, dual output regulated dc variable power supply, function(signal)generator, digital ic trainer kit with breadboard, dc voltmeter, dc ammeter, decade resistance box, decade capacitance box, decade inductance box, 8051 micro controller kit, half wave &full wave rectifier kit

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