Latest audience response system Tenders | Government audience response system Tenders

CTN :45465678

19 Jun, 2026 NA

Kanchipuram - Tamil Nadu

Tender For supply, installation and testing of electronic equipments - supply -ece lab equipments, single output regulated dcvariable power supply- input voltage: 230v / 50hz ac. output voltage: (0 30)v dc. output current: (0 2)a dc. protection circuit: over voltage, over current, and short-circuit protection. high efficiency: greater than 85%. low ripple and noise: less than 50 mv. digital display., dual output regulated dc variable power supply- input voltage: 230v/50 hz ac. output voltage: (0 30)v dc. output current: (0 2)a dc. protection circuit: over voltage, over current, and short-circuit protection. high efficiency: greater than 85%. low ripple and noise: less than 50 mv. digital display., function generator - frequency range: 0.1 hz to 5 mhz. display: 4 to 6 digit led display. output waveforms: sine, triangle, square, pulse, ramp. amplitude: 0 20 vpp. rise time: 100 ns. distortion: 1% within specified frequency range. power supply: 230 v ac 10%, 50 60 hz. output amplifier protection: short-circuit and 15 v, digital ic trainer kit with breadboard - +5 v dc, 1 a regulated power supply. 12 v dc / 15 v dc, 200 ma regulated power supply. solderless breadboard with minimum 840 tie- points,power distribution buses. zif (zero insertion force) ic sockets to accommodate 8 or 16 pin ics. logic input and output leds for output monitoring. 16 buffered led outputs. 16 debounced switch inputs. variable clock generator: 0.5 hz to 50 hz. single pulse output: 100 ms (buffered, positive and negative outputs). one seven-segment display with 4 bcd inputs. built-in logic switches. manual clock: debounced push-button (one pulseper press)., dc voltmeter(digital) - dc digital voltmeter - 3 digit led/lcd display, measurement range: 0 20 v dc,accuracy: class 0.5( 0.5 % full-scale), dc ammeter - dc ammeter digital - 3 digit led/lcd display, measurement range: 0 5 a dc,accuracy: class 0.5 ( 0.5 % full-scale), lvdttrainer kit - ac mains power supply: 230 v 10%, 50 hz. fixed regulated dc power supply: +5 v, 12 v / 500 ma. transducer: lvdt. lvdt displacement: 20 mm (40 mm total). displacement scale: linear 20 mm. displacement display: red color 3 digit led display. excitation frequency: 4 khz. excitation voltage: ac variable excitation voltage up to 5 v., strain gauge trainer kit - ac mains power supply: 230 v 10%, 50 hz metal foil strain gauge mounted on beam/cantilever. strain measurement under applied load. wheatstone bridge arrangement. instrumentation amplifiers with 3 digit display for strain / output voltage. table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords and user manual., ask modulation and demodulation kit - message signal1:8-bit variable data,amplitude 5v. message signal 2:debounced data, amplitude low (0) and high (5 v). message signal 3:fixed data 25 khz, 12.5 khz, 6.25 khz, 3.12 khz,amplitude 5 v. carrier signal: sine wave, frequency 200 khz, amplitude 5 v. supply voltage (board): +12 v, +5 v dc. input voltage: 230 v ac, 50 hz. interface connectors: 2 mm banana socket., fpga trainer kit - must use industry-standard mid-range fpga device usb-jtag programmable, compatible with vivado ise (webpack). power supply: 5 v dc through usb or external adapter. on-board peripherals: leds, switches, push buttons, 7-segment display,clock source, gpio / pmod expansion ports, uart, vga / hdmi, usb- uart bridge, usb cable. user manual., measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement., accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading.

CTN :45475065

18 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For procurement and installation of ece lab equipments - procurement and installation of ece lab equipments, single output variable dc rpsu single 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, dual output variable dc rpsudual 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, function generatorfrequency range: 0.1 hz to 2 mhz.display: 4 to 6 digit led displayoutput waveforms: sine, triangle, square, pulse, ramp.amplitude: 0 20 vp-p.rise time: 100 ns.distortion: 1% (within acceptable range of frequencies).power supply: ac 220 v 10%, 50-60 hzoutput amplifier protection: protected against short circuit and 15v overload, digital storage oscilloscopebandwidth: 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 vo;tmeterdc voltmeter digital 3 digit display (0-100 v), 0.5 % accuracy (class 0.5 equivalent) (2000), digital ammeterdc ammeter digital 3 digit display (0-2 a), 0.5 % accuracy (class 0.5 equivalent) (1500), eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, embedded lpc 2148 kit cpu - lpc2148, core - 16/32 bit arm7dmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) - 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm &watchdog two uarts (16c550), two i2c (400kb/s), two spi s eight bit digital output, eight bit digital input, 16 x 2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connectorand usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board example programs in embedded c and assembly with documentation (soft copy) power chord, user manual with cd/dvd, free demonstration after delivery, 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, single phase autotransformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., lvdt 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, strain guage trainer kitmetal foil strain gauge mounted on beam/cantileverstrain measurement under applied loadwheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltagezero and gain adjustment controlsprovision for applying calibrated loadsregulated power supply, 230 v ac, 50 hztable-top tr

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 :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 :45099179

27 May, 2026 NA

Shahapura - Rajasthan

Tender For supply of thermometer digree , series test lamp , knife switch dpdt fuse terminals , knife switch tpdt fuse terminals , miniature circuit breaker mcb , earth plate copper , earth plate , earth electrode copper , mccb , elcb , rccb , fuse hrc type , fuse glass type , fuse rewire type , rheostat sliding type 0 to 25 2a , rheostat sliding type 0 to 300 2a , rheostat sliding type 0 to 1 10a , rheostat sliding type 0 to 10 5a , capacitor electrolytic type , capacitor ceramic type , capacitor polyester film type , capacitor variable type , capacitor dual run type , lamp halogen incandescent type , lamp fluorescent tube type , hp lamp mercury vapour , hp lamp sodium vapour , lp lamp sodium vapour , lamp led , plug socket piano switch lamp holder , cables , bus bar brackets , rubber mat thick , electrician helmet , rcc pole accessories lt line , safety belt , ohm meter series type , ohm meter shunt type , digital multimeter , voltmeter multirange , milli voltmeter centre zero , ammeter mc ma portable lab type , ammeter mc portable lab type 0 to 5 a , ammeter mc portable lab type 0 to 25 a , ammeter mi portable lab type 0 to 1 a , ammeter mi portable lab type 0 to 5 a , ammeter mi portable lab type 0 to 25 a , kw meter analog , digital wattmeter , energy meter single phase , energy meter three phase , three phase power factor meter digital , frequency meter , magnetic flux meter , lux meter , tachometer analog , digital tachometer photo sensor , tong tester clamp meter digital , megger , 3 point starter , 4 point starter , wheatstone bridge galvanometer battery , single phase variable auto transformer , phase sequence indicator , growler , resistance type starter , direct on line dol starter , star delta starter manual , star delta starter semi automatic , star delta starter fully automatic , soft starter 3 phase , auto transformer type starter , oscilloscope dual trace , function generator , soldering iron 25w , soldering iron 65w , soldering iron 120w , temperature controlled soldering iron , discrete component trainer , linear ic trainer , digital ic trainer , electric hot plate induction type , electric kettle , electric iron , immersion heater , ceiling and table fan , geyser storage type , mixer and grinder , washing machine , motor pump set 1 hp , oil testing kit , inverter input output battery , voltage stabilizer input output , power supply , battery charger , current transformer , potential transformer , solar panel battery , computer system , laser printer , manual motor coil winding machine step arbor , ceiling fan coil winding machine , primary current injection set , smart meter single phase , smart meter three phase , ev charger 3 phase , ev charger home single phase , working bench , wiring board projection , instructors table , instructors chair , metal rack , lockers drawers , almirah , black board white board , fire extinguisher , fire buckets , turnkey execution of electrician lab setup measuring steel tape- specification not available, combination plier insulated 200 mm- specification not available, screw driver 4150 mm diamond head- specification not available, screw driver insulated 6150 mm- specification not available, electrician screw driver - specification not available, heavy duty screw driver insulated- specification not available, electrician screw driver- specification not available, punch centre- specification not available, knife double bladed electrician - specification not available, neon tester 500 volt- specification not available, steel rule 300 mm (metric & english)- specification not available, hammer cross peen 250 gm- specification not available, hammer ball peen 500 //bid details 2 / 130 gm- specification not available, pincer 150 mm- specification not available, clamp 'c' 100 mm- specification not available, clamp 'c' 200 mm- specification not available, spanner 150 mm adjustable drop forged ss- specification not available, spanner 300 mm adjustable drop forged ss- specification not avail

CTN :44560679

23 Apr, 2026 NA

Raipur - Chhattisgarh

Tender For corrigendum : supply of integrated science lab equipment/kit - wire gauze, kipp’sapparatus, daniel cell chart, laclanche cell chart, acetone, acetic acid 100ml, acetocarmine soltuion-125ml, aluminium chloride, aluminium carbonate, aluminium metal turning 100gm, ammonium hydroxide(ammonia)-100ml, ammonium sulphate, aniline(for synthesis), arsenic trichloride, arsenic sulphate, bromine water, biuret reagent-125ml, borax carmine solution125, aqueous solution)-125ml, boric powder 100gm, buffer capsules ph-4.0-10pcs, buffer capsules ph-7.0-10pcs, buffer capsules ph-9.2-10pcs, calcium chloride 100gm, calcium carbonate precipited, calcium sulphate, chloroform 100ml, cobalt chloride-100gm, cobalt nitrate-100gm, copper sulphate 100gm, copper chloride, copper metal turning-100gm, glucose powder, spirit lamp, beaker 50ml, beaker 250 ml., beaker 500 ml., measuring cylinder, tripod stand, cavity block, capillary tube, rubber cork, ammonium chloride, barium carbonate, barium chloride, barium sulphate, edta di sodium salt-100gm, bendict's solution 100ml, 2,4-dinitrophenyl hydrazine-25gm, complement of set, subset and superset, de morgans's law, distributive laws, decoding relations and functions, trigonometric function (cos x), trigonometric function (tan x), principal of mathematical induction, complex numbers, permutation and combination, arithmetic mean and geometric mean, three dimension, limit and continuity, inverse trigonometric function ( sin-1), inverse trigonometric function (cos-1), inverse trigonometric function (tan-1), inverse trigonometric function (sin x and sin-1x), rolle’s theorem, lagrange’s mean value theorem., increasing and decreasing, maxima and minima., integral, ????→. (????̅ × ????→), intersection of two planes, plane passing through the line of intersection of two plane, angle between two planes, linear programming, probability, conductive and non conductive materials, electric generator, convection heat transmission by conduction, working dc motor fleming’s left hand rule, convergent and divergent rays light -reflection and refraction, pinhole camera, laboratory stand, steel roller, induction coil ( 10 mm spark ), sonometer, double concave lens, double convex lens, drawing board, led, pn junction diode, transformer model, ic, transistor, meter scale, jockey, manganin wire, pins, plumb line (small size), potentiometer, wire gauze, capacitor, zener diode, bread board, banana plug connecting wire, crocodile clips, graphs paper, led torch, pn junction diode characteristics apparatus apparatus, zener diode characteristics apparatus, ping pong ball, g clamp 3”, polaroid, candle, block & tackle apparatus, screw driver, micrometer chart, vernier callipers chart, resistance colour coding chart, vernier calipers, screw gauge, glass slab, prism, magnetic compass, bar magnet, multimeter, resistance box, meter bridge, inclined plane, mirror strip with plastic holder, volt meter with stand, galvanometer, leclanche cell, ammeter with stand, battery eliminator, variable power supply, connecting wires, concave mirror, convex mirror, ohms law apparatus, plug key, plug key, rheostat, u‟ shaped magnet, bob with hook, copper calorimeter with stirrer, daniel cell, electronic balance, soldering kit, soldering mat, measuring cylinder, tripod stand, cavity block, capillary tube, rubber cork, student microscope with light source, dissecting microscope, nervous system chart, muscle system chart, human eye chart, human excretory chart, skin chart, spirit lamp, beaker 50ml, beaker 250 ml., beaker 500 ml., tripod stand, cavity block, rubber cork

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