Latest tri square Tenders | Government tri square Tenders

CTN :45720488

07 Jul, 2026 NA

Tiruvannamalai - Tamil Nadu

Tender For procurement of mech. lab equipments - single phase ac circuit kit for voltage,current and power measurement, mcb elcb trainer kit, single phase induction motor kit for load test by speed control of vfd (variable frequency drive), dc shunt motor kit for load test, stepper motor drive kit, servo motor drive kit, bldc motor kit, digital trainer kit(ic7400,ic7402.ic7404,ic7408,ic7432,ic7486,ic74186, magnetic yoke

State Government

CTN :45695279

10 Jul, 2026 29.42 Lacs

Bellary - Karnataka

Tender For overhauling of coal and oil firing equipments wall deslaggers for unit1 500mw boiler of btps-- drill bits upto 10 mm , diesel, , rustolin, , welding gloves, , bulbs for hand lamp 250v, 100w/60w, , bulbs for hand lamp 24v, 100w/60w, , bulbs for flood light 250v, 500w, , bulb holder, anchor make for hand lamps, , adhesives, , chalk piece box, , soap powder 1/2 kg packet, , insulation 3/4", , asbestos hand gloves, , rubber gloves, , cotton waste, , cora cloth, , hose clamps suitable for 10mm cutting hoses, , plain glass 105 x 80mm, , dark glass, 11din, 105 x 80mm (german)athermal, , wire brush 5 rows, esab make, , spark lighter, , nozzle cleaner, , cylinder keys, , champion teflon tape 1/2", , champion teflon tape 3/4", , emery sheets fine/rough/medium, , alluminium cable lugs 120 sq mm, , cut off wheels for ag4/ag5/ag7, , grinding wheels for ag4/ag5/ag7, , gasket shellac 50 ml bottles, , taps, m16 size, , hss hacksaw blades 1/2" x 12" τρι, , hold tight sealant, , ring spanners 6mm to 32mm 12 pcs, , de spanners 6mm to 32mm 12 pcs, , adjustable spanner 150 мм, , adjustable spanner 200 mm, , hammers (ball peen), , hammers (mallett), , hammer 4 pound, , crowbar / tony bars, , feeler gauge 100mm size, , d-shackel 0.5 t / 1 t, , steel measuring tape 3m, 5m, 15m, , tri-square 6" and 12", , pipe wrench 350мм, , pipe wrench 250мм, , 6" folding combination, , center punch, , screw drivers 8", 10", 18", , cutting plier, , nose plier, , hand torch (4 cell), , file - flat, triangular, round, half round of smooth and rough of 6" and 12", , flat chisel, , taps of different sizes upto 24 mm, , protractor for measuring angles, , hacksaw frame heavy duty, , c clamps (2" το 8" size), , steel scale 300mm, , steel scale 1000 mm, , spirit level, , hole punches upto 24mm size, , pneumatic torque wrenches (1/2" το 1"), , plasma cutting machine for ss plates along with consumables, , welding machines, , inclometer, , electric hammer

CTN :45697944

13 Jul, 2026 75.00 Lacs

Dhanbad - Jharkhand

Tender For supply of pn or zener diode or led characteristics apparatus , verification of kcl and kvl , resistance in series and parallel apparatus , ohms law apparatus without power supply , ohms law apparatus with aluminum panel 2 digital panel meters and power supply , transistor characteristics apparatus , fet characteristics apparatus , half wave full wave and bridge rectifier apparatus , ripple factor apparatus , digital logic trainer , verification of truth table of logic gates using universal gates , flip flops using nand gates and ttl ics , four bit counters synchronous and asynchronous , four bit shift registers , encoder or multiplexer eight to one line , decoder or demultiplexer one to eight line , four bit analog to digital convertor , four bit digital to analog convertor , light intensity or phase control using scr or triac , scr commutation techniques , switching action of a bjt , single phase half wave full wave and fully controlled bridge rectifier or convertor using scrs , three phase half controlled bridge converter with r and rl load , three phase fully controlled bridge converter with r and rl load , single phase cycloconverter , instrumentation trainer using transducers , burdon tube pressure gauge trainer kit , strain gauge trainer kit with cantilever beam , lvdt trainer kit , speed measurement using photo electric and magnetic sensors , temperature sensors kit , measurement of water level using strain gauge , measurement of water level using capacitance transducer , ac servo speed torque characteristic trainer , dc servo motor speed torque characteristics trainer , stepper motor controller trainer , analog lab trainer bread board model , digital lab trainer bread board model , plc trainer , transmission line trainer abcd t and pi parameters ferranti effect load test , idmt over current relay testing kit electromechanical type , buchholz relay testing kit with compressor and oil , over voltage relay testing kit electromechanical type , over current and earth fault relay testing kit three phase static type , over current relay testing kit static type , measurement of power and power factor single phase and three phase , to study a typical bhk house wiring , four to one multiplexer and one to four demultiplexer , vapour compression refrigeration vcr test rig , water cooler setup , air conditioning test rig , domestic refrigerator , window air conditioner , split air conditioner , air cooler evaporative , tube cutter , pipe bender , flaring and swaging tool kit , reamer , brazing torch , manifold gauge set , vacuum pump , refrigerant recovery unit , refrigerant charging cylinder or electronic charging scale , refrigerant leak detector , digital clamp meter , digital thermometer , anemometer , tachometer , insulation material , refrigerants , recovery cylinders , weighing machine , electrical control panel , work benches , safety equipment

CTN :45657247

03 Jul, 2026 NA

Jammu - Jammu And Kashmir

Tender For supply of portable welding machine m200 ibell , hand gloves ashlyn leather , electrode holder cable wire for welding machine , hand grinder bosch gws 600 , drill bit set bosch , ingco asg 4041 spray gun painting , inditrust steel block carpenter plane 7 inch red , bk jagan co carpenter tools combo tri square

CTN :45633855

06 Jul, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of electronics equipments for eee department - purchase of electronics equipments for eee department , "signal generatorfrequency range: 0.1 hz to 5 mhz. display: 4 to 6 digit led display output 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 hz output amplifier protection: protected against short circuit and ±15v overload dc offset: 0 to ±10 v adjustable attenuation: 0 to –60 db" , "dso (digital storage oscilloscope) bandwidth: 50 - 100 mhz. sampling rate: 1gs/s. channels: 2 (minimum) power supply: 100v–240v ac, 50-60 hz automatic measurement: vpp, vavg, rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc., horizontal scale: 5 ns/div – 50 s/div or equivalent vertical 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 equivalent communication interface: usb host, usb interface. 7-inch color display or equivalentinput impedance - 1 mω ±2%, // 20 pf 2 × passive probes (1x/10x)"

CTN :45592303

01 Jul, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of ece practical equipments - equipments for ece practices:, single output regulated dc variable 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 overload protection. dc offset: 0 to 10 v adjustable. attenuation: 0 to 60 db., dso (digital storage oscilloscope) bandwidth: 50 100 mhz. sampling rate: 1 gs/s. channels: 2 (minimum). power supply: 100 240 v ac, 50 60 hz. automatic measurements: vpp, vavg, vrms, frequency, period, vmax, vmin, rise time, fall time, +width, width, +duty, duty, etc. horizontal scale: 5 ns/div 50 s/div or equivalent. vertical resolution: 8 bits (2 channelssimultaneously). vertical sensitivity: 1 mv/div 10 v/div (at input). waveform math: +, , , , invert, fft, etc. waveform storage: 16 waveforms or equivalent. communication interface: usb host and usb interface. display: 7-inch color display or equivalent. input impedance: 1 m 2% || 20 pf. accessories: 2 passive probes (1x/10x)., 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 breadboardwith minimum 840 tie-points,power distribution buses. zif (zero insertion force) ic socketsto accommodate 8 or 16 pinics. 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 pulse per press)., 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, usbuart bridge, usb cable. user manual.

CTN :45592309

01 Jul, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For supply of equipment items - 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, 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 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, pcb prototype machinepcb prototyping & antenna fabrication systemmanual software copper cam & mach3 millresolution (x/y) 3.125 micro meterworking area (x/y/z)(mm)200x300x120 mmminimum width line & space in mm0.1 (4 mil) max travel speed (mm/sec)58 (2.28 ) drilling (mm), 0.2 -3.175 (8-125 mil)maximum drilling cycles/ min 50main axle power rate 300 wmain axle rotating speed 25000 rpmmax working speed 3500mm/minfeeding height 120 mmworking drive 0.02-0.05mmrepositioning accuracy 0.01-0.02mmsupported format standard gerber,dxf,excelloncapability of processing various materials - fr4, copperclad, acrylic, metal, aluminum and etc.,power - 220 v acweight - 52 kg

CTN :45572416

22 Jun, 2026 NA

Tiruvettipuram - Tamil Nadu

Tender For procurement of lab equipment for electronics and communication engineering department. - procurement of lab equipments for electronics and communication engineering department., function (signal) 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 vp-p. rise time: 100 ns. distortion: 1% (within acceptable range of frequencies). power supply: ac 220 v 10%, 50-60 hz output amplifier protection: protected against short circuit and 15v overload, digital storage oscilloscope bandwidth: 50 - 100 mhz. sampling rate: 1gs/s. channels: 2 (minimum) power supply: 100v 240v ac, 50-60 hz automatic 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 equivalent vertical 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 equivalent communication interface: usb host, usb interface. 7-inch color display or equivalent basic trigger functions, embedded trainer kit (using lpc2148)cpu - lpc2148, core - 16/32 bit arm7dmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) - 40kb, 46 general purpose i/o. pins, 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 matrix, keypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motor, driver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connector, and 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

CTN :45535219

20 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For purchase of ece department lab electronics equipments - equipments for ece, dual output regulated dc variable power supplyinput voltage : 230v/50hz acoutput voltage :(0-30)v dcoutput current :(0-2)a dcprotection circuit : over voltage, over current, and short-circuit protectionhigh efficiency : greater than 85%low ripple and noise : less than 50 mvdigital display, function (signal) generatorspecs:frequency range : 0.1hz to 5mhzdisplay :4 to 6 digit led displayoutput waveforms : sine, triangle, square, pulse, rampamplitude :0-20 vpprise time :100 nsdistortion : 1% within specified frequency rangepower supply : 230v ac 10% , 50-60 hzoutput amplifier protection : short circuit and 15voverload protectiondc offset: 0 to 10 v adjustableattenuation: 0 to -60 db, decade resistance box range : 1 to 1m rotary switch selection with 6 dialssteps : 1 , 10 , 100 , 1k , 10 k , 1m accuracy : 1%, decade capacitance box range : 100 pf to 100 frotary switch selection with 6 dialsmaximum voltage : 350vaccuracy : 1%, decade inductance box range : 10 h to 10 hrotary switch selection with 6 dialslow-loss inductorsaccuracy : 1%, sim reader trainer kitpower supply :operates on 230v ac 10%, 50hz mains supplybuilt-in regulated smps power supplyoperating dc supply : 5v/12v with overload and short-circuit protectionsim card interface :supports gsm sim cards compatible with 2g / 3g / 4g / 5g networkssim card read/write interfacesupports sim card initialization, authentication and communication functionscompatible with standard 6-pin / 8-pin sim card socketscommunication interface :usb 2.0 interface for pc communicationrs-232 serial communication interfaceuart communication facility for embedded system interfacingsim operating parameters :selectable sim clock frequencies3.579 mhz7.159 mhz14.318 mhzsim supply voltage selection facilitysim reset and activation controlsupported protocols and standards :gsm etsi 07.07 and etsi 07.05 at command supportiso/iec 7816 smart card communication supportsim communication command monitoring facilityhardware features :on-board sim card socketled indication for :power statussim detectionreset activityuser manualutility software cd / downloadable software packagedata transmission/receptionbuilt-in keypad for standalone operation.lcd display module (128 64) for menu and status display.on-board microcontroller-based control section.software support:at command execution and monitoring software.sim manager utility software.data logging and communication terminal utility.pc-based gui software for sim data communication experiments.trainer features:fault simulation facility for troubleshooting experiments.simulation of faults such as:sim not detectedclock failurevcc failurereset failuremultiple on-board test points for signal observation.test points for:sim rstsim_clksim iovccuart tx/rxsuitable for cro/dso signal monitoring.glass epoxy pcb with educational block diagram layout.compact tabletop enclosed cabinet design.construction:front panel with printed block diagram.banana test points and patching facility.standard accessories:gsm sim trainer unit.usb communication cable.rs-232 communication cable.power cord., microwave test bench with reflex klystron oscillatormicrowave source :relex klystron tube with klystron mountoperating frequency in x-band (8.2ghz to 12.4ghz)electronic tuning through repeller voltage controlsuitable for cw microwave generationklystron powersupply:regulated klystron power supply unitbuilt-in modulation facilityoverload and short circuit protectionoperates on 230v ac 10%, 50hz mains supplywaveguide components:isolator variable attenuatorfrequency meterslotted line section with tunable probecrystal detector mountmatched loadmovable short / terminationwaveguide stands and accessoriesmeasurement unit:solid state vswr meter with high sensitivityswr measurement facilitysuitable for detector output monitoringtechnical specification :frequency range : 8.2 ghz to 12.4 ghzwaveguide types : wr-90detector type : crys

CTN :45532259

21 Jun, 2026 NA

Kanchipuram - Tamil Nadu

Tender For supply of mechanical and electrical equipments - supply - mechanical lab equipments, single phase ac circuit kit for voltage, current and power measurement- 5a,300v, 300w/5a measurement of power by using various loads analog voltmeter 0-300v ac panel mountedanalog ammeter 0-5a ac panel mountedanalog wattmeter 1.5kw ac panel mountedsingle phase digital power monitor to measure powersingle phase ac lamp load 230v/5a 1kwpanel enclosure with hylam front panel with input/outputterminal outlets , mcb elcb trainer kit- 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5ampstwo pole elcb 30malamp load single phase 5amps panel enclosure and terminal outlets, four stroke petrol engine cut section model - single cylinder four stroke petrol engine cut sectional model with carburetor, spark plug, cut cylinder, piston, connecting rod, crank shaft, valve mechanism, cam shaft, timing gears and flywheel. all parts cut opened to study the components and its working provision to take values for valve timing. surface finish: painted and color coded for easy identification of components mounting: heavy-duty ms fabricated stand/base display type: static / dynamic demonstrationmodel, dc motor - type: dc shunt motor (dismantling model) power: minimum 0.5 hp voltage: 220 v dc speed: 1500 rpm poles: 4 pole construction: laminated stator salient poles accessible armaturefeatures: cut section / open type suitable for dismantling and reassembly, hydraulic cylinder - bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steelsupply: mounted on training base suitable for dismantling and inspection, bearing with shaft assembly - type: dismantling and assembly teaching unit shaft diameter: 30 mm shaft material: en8 steel bearings: deep groove ball bearing (6205 / 6206) housing: cast iron locking arrangement: circlips lock nuts end coversmounting: bench-mounted / frame-mounted unit, coupling unit using driving and driven shafts using plummer block bearing unit- the plummer block housing material: 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. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm. shafting and coupling shaft material: groundcarbon 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)., (a).sliding mesh gear box for dismantling and assembling - (a) max transmitted power 1to1.5hp, torque capacity- 40 to 200nm, number .of speed 3 to 6, gear module 1.5 to 2, sliding mesh gearbox gearbox type- sliding mesh forward gears- 3reverse -yes gear material -alloy steel lubrication- splash / oil gear teeth- spur typical gear ratios- 3.2:1 / 2.0:1 /1.3:1 input speed- 0 1800 rpm housing material- cast iron(b) constant mesh gear box cut section - constant mesh gearbox (cut section) gearbox type :constant mesh forward gears :4 gear teeth -helical / spur dog clutch type- sliding lubrication -oil sae 80w90 housing- cut section material -hardened alloy steeleducational features-labeled parts., 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.

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