Latest resistance box Tenders | Government resistance box Tenders

CTN :45516001

20 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For purchase of ece 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 : crystal detecto

CTN :45521220

24 Jun, 2026 50.0 Thousand

Thanjavur - Tamil Nadu

Tender For supply of ece lab items - lab items, eliminator transformer (step down), decade resistance box, decade inductance box, decade capacitance box, single phase induction motor, auto transformer, sim reader ttrainer kit

CTN :45529670

03 Jul, 2026 10.59 Lacs

Raebareli - Uttar Pradesh

Tender For supply of multimeter digital , electronics system design trainer , ic tester , bread board , bnc male cable , bnc male to male cable , banana to crocodile cable , wire cutters and strippers tweezers , rework soldering station , ic , transistors , diodes , capacitors in micro farad , resistance in ohm , variable resistance pot. meter , inductance in milli henrey , component organizer with 25 drawers , semiconductor devices characteristics trainer all devices , resistance box plug type , banana to banana plug test lead set , stackable banana to banana plug test lead set , single strand bread board wire , linear rheostat

CTN :45529725

27 Jun, 2026 27.00 Lacs

Faizabad - Uttar Pradesh

Tender For supply of ammeters different range , battery eliminator , daniell cell , drawing board , friction apparatus complete set with weight box , galvanometer , parallelogram apparatus , key one way , jockey pencil type , two-way key , laclanche cell , meter bridge , multimeter digital , multimeter manual , magnetic compass , optical bench 1 meter long , prism indian glass , potentlometer , plier , cutter , screwdriver , scissor , resistance box , dry cell 10g chargeable , dry cell charger , helical spring apparatus with weights , rheostat , resistance coil different range 1-5 ohms , resonance appratus , spherometer , screw gauge , wooden scale 1 50cm 1 100cm , stopwatch , sonometer , sprit level , thermometer , tuning fork 250hz 480hz and 512hz withpad , vernier calliper , voltmeter different range , beakers , connecting wires , charts for display blovisuals , portraits as pe choice , concave mirror , convex mirror , convex lens , concave lens , wedge knife edge for sonometer , glass slab , pendulum box , cork rubber 1.5 inches , hanger weights 500 gm , insulated copper wire , meter tape 1-100 meter , soldering iron , spring balance 0- 250 gm , u-shaped magnet , copper calorimeter , epidiascope , newton disc , telescope , camera , barometer tube , lactometer , stove oil , electric bell , proof plane , binoculars , soldering rods , pn junction diod set up , desktop set , balance physical , boyle law apparatus , portnis barometer , metallic cylinders , metal sphere , sg bottles , grave sand apparatus , young modulus , spectrometer , hydrometer , sprit level , potentiometer , silk and cat skin pieces , tuning fork , ammonium chloride , all pins 1.5 , copper sulphate , drawing pins , thread rolls

CTN :44924173

15 Jun, 2026 NA

Parganas - West Bengal

Tender For bid to ras supply of resistance box for slip ring induction motor of eot crane (main hoist) . motor rating: 53.5 kw, rotor

State Government

CTN :45463230

16 Jun, 2026 NA

Udhamsign Nagar - Uttarakhand

Tender For supply of genral electrical goods- 3 phase a.c. induction motor, 10 kw, 15 hp 1440 rpm duty s1 volt 415, make- abb , 3 phase a.c. induction motor, 7.5 kw, 10 hp 1440 rpm duty s1 volt 415, make- abb , "3 phase slipring induction motor (wound rotomotor) 40 hp, 970 rpm, duty -s4 foot mountedcane unloader duty, make- cg power" , 3 pin socket 6 amp make anchor , 3 pin top make anchor 6 amp allen key 1.5 mm to 10 mm, aluminium cable lugs dowells make, angle grinder 5" make bosch, backtol gray varnish 1 kg tin, bajaj make ciling fan 1200 mm white , combined switch with box anchor 16 amp, complete electric coil heater 1500 watt, condensor ancap make, contineuty tester make taparia, copper cable lugs dowells make, crc 2-26, crompton ceiling fan 1200 mm white, d spaner set 6x7 to 30x32mm, double tail carbon brush size 16x18x38 mm, double tail carbon brush size 16x32x38 mm, double tail carbon brush size 22x32x40 mm, double tail carbon brush size 50x25x50 mm, double tail carbon brush size 50x25x65 mm, electronic fan regulator anchor make, empire tape 1 ", eveready pencil cell 1.5 voltsize aa, finned type air heater 1000 watt 220 volt , finned type air heater 2000 watt 220 volt , foot switch element make bch, had driver megger 500v make waco, heater element 1500 watt, heavy duty battery make eveready 9 volt, insulated pliers make taparia, led bulb 12 watt make bajaj , led bulb 9 watt make bajaj , led flood light 100 watt make bajaj , led flood light 100 watt make surya, led flood light 100 watt makeorient, led flood light 200 watt make bajaj , led flood light 200 watt make orient, led flood light 200 watt make surya, led flood light 50 watt make bajaj , led flood light 50 watt make orient, led flood light 50 watt make surya, led rechargable tourch light eveready make, led tube light 12 watt length 2 feet make bajaj, led tube light 12 watt length 2 feet make orient, led tube light 12 watt length 2 feet make surya, led tube light 20 watt make bajaj, led tube light 20 watt make orient, led tube light 20 watt make surya, line tester make taparia, loc tite 641 50 ml, metal drill bit set size 10 mm make bosch, metal exhaust fan blade 12" with hub , metal exhaust fan blade 18" with hub , piano type switch 6 amp make anchor, plycab make ceiling fan 1200 mm white, pt bulb 100 watt 24 volt anchor make, pt bult 100 watt 240 volt make bajaj , pt button holder anchor make, pt holder bakelite make anchor make, puch button & element make teknic green, puch button & element make teknic red , push button element -e1 cat no se-06 teknic make, pvc gitti 2", resistance box for 40 hp, 790 rpm motor, ring spaner set 6x7 to 30x32mm, screw driver 4&2 way 12" make taparia, slipring carbom holder for 7.5 hp motor, slipring for 7.5 hp motor id 65 mm od 118 mm l 84 mm, slipring holder mounting for 7.5 hp motor, soldring iron 25 watt make tony , soldring iron 35 watt make tony , soldring waire 1 mm 250 gram roll , steel grip pvc tape , thinner t-205, tong tester clamp meter make meco, wall drill bit size 6.5 mm

CTN :45475070

15 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of non-consumables for physics lab in basic engineering (first year) department - purchase, joule calorimeter - copper vessel, battery eliminator 3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0 2a), voltmeter (0-5v), thermometer (alcohol), stop clock, ic regulated battery eliminator- ic regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometer- moving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivity 0.143mm/v, voltmeter- dc voltmeter; range 0 10 v, analog, ammeter- dc (0 - 2 amp), parallelogram apparatus- parallelogram law of forces apparatus fitted with stand, decade resistance box- resistance box 12 month warranty (dial type) -manganin coil- 2 dials, sonometer apparatus- sonometer with meter scale attached along with knife edge, tuning forks set 256, 384, 512 ranges, hammer, slotted weight - 500 gm each to a total of 3 kg. brass wire (5 m), travelling microscope- branded travelling microscope 0 200 mm horizontal and 0-150 mm vertical measurement, potentiometer - it features a 1-meter to 10-meter constantan/manganin wire stretched on a wooden or sunmica baseboard with a millimeter scale. it includes 4mm brass terminals, a pencil jockey for contact, wire options (10 wires), and a typical resistance range of 10-20 ohms, ideal for high-precision voltage measurements., viscosity apparatus stokes apparatus with metre scale attached and long cylindrical glass jar, glass beads small size (1 box), screw gauge (0-15 mm), rheostat - high-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., deflection magnetometer apparatus - deflection magnetometer apparatus with compass box and two short bar magnets, solar cell kit- the apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0 5v. light source is provided by led. the illumination intensity of the led can be controlled, wheatstone bridge kit- series arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge., ohms law verification kit- battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, boyle s law apparatus - the apparatus includes the quill tube, a retort stand, a clamp, and a mounted meter scale. quill tube specifications: length: approximately 50 cm. bore diameter: uniform bore, roughly 1 mm to 2 mm. construction: glass tube with one end sealed. trapped substance: a mercury pellet (or thread) of length 10 to 15 cm is introduced to enclose a column of air. mounting: attached to a half-meter or meter scale., torsional pendulum - torsional pendulum metallic disc, symmetrical masses and pendulum stand, steel wire, compound bar pendulum- one meter long iron strip well painted with holes at a distance of every 5 cm and also with pair of brackets and a heavy base table top stand with stop clock, helical spring apparatus-- structure: a rigid support mounted on a heavy metal base, typically cast iron, to ensure stability during tests. springs: high-tensile steel spiral springs, typically (approx 25 mm) diameter, (100 mm) long. measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement. loading mechanism: a, typically (50g), hook-attached weight hanger at the bottom.pointer: a fine pointer attached to the bottom of the spring moves along the scale. accessories: includes a set of slotted weights (e.g., (6

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 :45430824

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of lab equipment - basic engineering lab materials, digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meterrange 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., digital ph meterph range o to 14, resolution 0.01 ph, digital display, joule calorimetercopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, mortar with pestleporcelain/agate,gazed exterior, unglazed grinding surface.item weight 2290 gramsitem diameter 4 inches, water distillation unitoutput capacity: 2 4 liters per hourmaterial: stainless steel boiler and condenserheater: built-in electric heating elementpower supply: 220 240 v ac, 50 hzcooling: water-cooled condensersafety: automatic low water cut-off, ic regulated battery eliminatoric regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometermoving coil type, 30-0-30 scale, sensitivity 20 a/div, resistance approx. 100 ohms., voltmeterdc voltmeter; range 0 10 v, analog , ammeter dc (0 - 2 amp), cdecade resistance box3 or 4 dials, range 0.1 to 100 or 1k , constantan/manganin wire coils., rheostathigh-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., solar cell kitthe apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0-5v. light source is provided by led. the illumination intensity of the led can be controlled, wheatstone bridge kitseries arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge., ohms law verification kitbattery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, meter bridgetype: 1 m length, with uniform wire (resistance wire)material: constantan or manganin (low temperature coefficient)scale: 0 100 cm, engraved or printedbase: wooden or metal, rigid, non-conductive supportjoints / terminals: brass or copper, fixed for connections2. galvanometertype: analog, moving coil or digital (for null detection)range: sensitive to detect micro-ampere currentsinternal resistance: high, typically ~100 or as specified5. cells / power supplytype: leclanch cells (1.5 v each) or dc power supplynumber: 2 4 cells in series (or supply ~3 6 v)

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)

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