Latest signalling unit Tenders | Government signalling unit Tenders

CTN :45648834

13 Jul, 2026 NA

Jamnagar - Gujarat

Tender For supply of low noise amplifier , band pass filter module , 24 bit adc module , stm32 dsp board , sd card data logger , waterproof enclosure , battery and charger , signal conditioning unit , raspberry pi , high speed adc , gps module , lora lte module , solar panel and charger , marine enclosure , escs , imu and depth sensor , misc wiring mechanics , gnss module , power distribution board , lna , gnss navic receiver , cables and rf parts , microcontroller , battery pack , heat sink and cooling , enclosure , energy meter ic , ct and pt sensors , wesp32 , lcd display , relay module , wifi gsm module , power supply , camera hd , traffic light modules , ir illuminator , temperature sensors , vibration sensor , current sensor , esp32 stm32 , gsm lte module

Central Government/Public Sector

CTN :45664928

06 Jul, 2026 NA

Rajkot - Gujarat

Tender For supply of 1) signal conditioning card no.1 (scc1 card) for hassdac as per rdso specification no. rdso/spn/177/ 2012 with version 3 or latest. make: cel. [ warranty period: 30 months after the dateof delivery ] ]

CTN :45481843

03 Jul, 2026 NA

Bangalore - Karnataka

Tender For realization of signal conditioning card (npr-001) of spacecraft pressure transducer (idpt)

Central Government/Public Sector

CTN :45431584

09 Jun, 2026 NA

Multi City - Gujarat

Tender For auction sale of depot ferrous scrap - 98050114 scrap release all types of railway ferrous material consisting of s&t, p way, works and ohe items c & w items- such as ms, gi, ci containing signalling units, rods, junction boxes, panels, ms gi structures, ladders, mast, rtu, cb, etc. and all other types of signaling items, gear case, the ground connection, ohe fitting, ms chains, heavy structure almirah/racks, rods angle, top housing, road bar, glude joint, ground connection channel, pipes, lc material, ladders, jali, spring plank, pantograph with or without pneumatic motor, gate, door, brake cylinder, tie bar, fencing, trolley, ms machines etc., tmt bars rods, pulley, rib cage, point machines without motors, wagon body cut piece bogies side frame, machines, sleeper, ms sheet, various types sleeper part, tie bar, fencing bars, i-beam, damaged empty drums, light fittings, rail & rail pieces, ms wires, junk light weight/corroded material consist of toughened sheets, m.s./gi sheets, grease seal, drum, wire, parts of rolling shutter, light weight cuttings, various damaged and rusty drums filled with coalter, dry paint, mud and dray fo if any of sort and sizes, g.i. buckets, steel buckets baskets, signal lamps, duct, vent pcs., fencing and pipes, wire mesh, stretcher, bicycle, pan, frames, electrical fittings, t.l. fittings, grill- jali, cabinet frames, rack ballast, rusted body and parts of weighing machine, electronic/electrical material, small rods angle, battery boxes, tool boxes, shovel, rail door handles, main door, foot plate, step plates, bench pipes, typewriter g.i. pipes, trolleys, water tank bond, location box with or without their component and wiring fittings, trolly, different type of ohe bonds of rail and other various ms fabricated structures, break load rings, pins, screw, bolts, spikes, keys, loco parts, stay rods, sleeve for centre pivot, pantograph parts, palm pull rods, lever, axle box housings, air motor, springs of pantograph, connecting rods, and other rods, rear cover of axle box housing, longer hanger, spare parts of spt machine, pipe fittings, end shield covers, break beam hangers, brake shoe, vertical lever, suspension levers, compressor spares, tension rods bushes, dash pots, ms& wi turning borings cut, collars, vehicle spares, ci items consisting of rusty and dusty drainage pipe, valve, meter, brake block, pulley, motors body, pipes, plates, d.v, vacuum cylinder chamber, pig irons pieces, signaling box ohe fittings, steel furniture consisting of chairs, tables, g.i. separation sheet, chair , stretcher, beds, ms rack, almira, other types of steel furniture of sorts and sizes, broken, damaged with or without wood, cushions, plastic, mica, foam seat attachment, parts brake liner, thrust bearing, spring, yoke, insulation block hangers, slides, locking rods, parts of point machine, a b cover, break head, cylinder head, pcs. of break beam, protective tubes, and other p-way fittings, coupler, knuckles, cp top/bottom, pu pad, narrow/wide jaw adapter, released bulk head components, wagon doors, cutting plate, and assorted cut pieces thereof, fabricated from irsm 44, etc. brake cylinder, cs & ci if any. valve, broken pcs. of bearings, inner and outer race of bearings, spares of break valve, trolley wheels, clamps, bmbc parts, pump shafts, impellers, tension device parts, fan armatures, chain sling, rev. center, hooks, spares of trucks, accessories of transformer, fish plates, hooks, silent blocks, cut pieces of plates, doors, angles, etc., all plastic items, rubber and wooden , fasteners such as bolts, nuts, and other related misc, etc., with or without, rail, of sorts and sizes with or without parts fittings and minor non-ferrous attachments, unserviceable. excluding items - railway track. remarks:the quantity estimation is based on visual observation and is indicative only. the lot has been prepared to clear the land before handing over the scrap yard for memu work. 2. loading will be allowed

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 :45365495

12 Jun, 2026 NA

Sivaganga - Tamil Nadu

Tender For purchase of equipments ( s.no 1 to s.no 5 ) for ece department - purchase of equipments, 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), 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., embedded trainer kit (using lpc 2148) cpu - lpc2148, core - 16/32 bit arm7tdmi-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 eight bit digital output, eight bit digital input,16x2 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 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 power cord, user manual, strain guage 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. signal conditioning and amplification circuit. instrumentation amplifiers with 3 digit display for strain / output voltage. zero and gain adjustment controls. provision for applying calibrated loads. 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., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection. sim card interface: supports gsm sim cards compatible with 2g /3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication,and communication functions. compatible with standard 6-pin / 8-pin sim cardsockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embeddedsystem interfacing. sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control.supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at commandsupport. iso/iec 7816 smart card communication support. sim communication command monitoring facility.hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/reception built-in keypad for standalone operation. lcd display module (128 64) for menu andstatus display. on-board microcontroller-bas

Central Government/Public Sector

CTN :44894378

22 Apr, 2026 NA

Multi City - Gujarat

Tender For auction sale of depot ferrous scrap - 98050114 scrap release all types of railway ferrous and miscellaneous, material consisting of s&t, p way, works and ohe items c & w items- such as ms, gi, ci containing signalling units, rods, junction boxes, panels, ms gi structures, ladders, mast, rtu, cb, etc. and all other types of signaling items, gear case, the ground connection, ohe fitting, ms chains, heavy structure almirah/racks, rods angle, top housing, road bar, glude joint, ground connection channel, pipes, lc material, ladders, jali, rubber items ,spring plank, pantograph with or without pneumatic motor, gate, door, brake cylinder, tie bar, fencing, trolley, ms machines etc., tmt bars rods, pulley, rib cage, point machines without motors, wagon body cut piece bogies side frame, machines, sleeper, ms sheet, various types sleeper part, tie bar, fencing bars, i-beam, damaged empty drums, light fittings, rail & rail pieces, ms wires, junk light weight/corroded material consist of toughened sheets, m.s./gi sheets, grease seal, drum, wire, parts of rolling shutter, light weight cuttings, various damaged and rusty drums filled with coalter, dry paint, mud and dray fo if any of sort and sizes, g.i. buckets, plastic, steel buckets baskets, signal lamps, duct, vent pcs., fencing and pipes, wire mesh, stretcher, bicycle, pan, frames, electrical fittings, t.l. fittings, grill- jali, cabinet frames, rack ballast, rusted body and parts of weighing machine, electronic/electrical material, small rods angle, battery boxes, tool boxes, shovel, rail door handles, main door, foot plate, step plates, bench pipes, typewriter g.i. pipes, trolleys, water tank bond, location box with or without their component and wiring fittings, trolly, different type of ohe bonds of rail and other various ms fabricated structures, break load rings, pins, screw, bolts, spikes, keys, loco parts, stay rods, sleeve for centre pivot, pantograph parts, palm pull rods, lever, axle box housings, air motor, springs of pantograph, connecting rods, and other rods, rear cover of axle box housing, longer hanger, spare parts of spt machine, pipe fittings, end shield covers, break beam hangers, brake shoe, vertical lever, suspension levers, compressor spares, tension rods bushes, dash pots, ms& wi turning borings cut, collars, vehicle spares, ci items consisting of rusty and dusty drainage pipe, valve, meter, brake block, pulley, motors body, pipes, plates, d.v, vacuum cylinder chamber, pig irons pieces, signaling box ohe fittings, steel furniture consisting of chairs, tables, g.i. separation sheet, chair , stretcher, beds, ms rack, almira, other types of steel furniture of sorts and sizes, broken, damaged with or without wood, cushions, plastic, mica, foam seat attachment, parts brake liner, thrust bearing, spring, yoke, insulation block hangers, slides, locking rods, parts of point machine, a b cover, break head, cylinder head, pcs. of break beam, protective tubes, and other p-way fittings, coupler, knuckles, cp top/bottom, pu pad, narrow/wide jaw adapter, released bulk head components, wagon doors, cutting plate, and assorted cut pieces thereof, fabricated from irsm 44, etc. brake cylinder, cs & ci if any. valve, broken pcs. of bearings, inner and outer race of bearings, spares of break valve, trolley wheels, clamps, bmbc parts, pump shafts, impellers, tension device parts, fan armatures, chain sling, rev. center, hooks, spares of trucks, accessories of transformer, fish plates, hooks, silent blocks, cut pieces of plates, doors, angles, etc., fasteners such as bolts, nuts, and other related misc, etc., with or without, rail, of sorts and sizes with or without parts fittings and minor non-ferrous attachments, unserviceable. if any non-ferrous material is found will not be delivered and retained by the custodian. minor/negligible nf attachment may be allowed. wooden and railway track shall be excluded from the lot if found any.digging will be permitted only

Central Government / Public Sector

CTN :44873760

20 Apr, 2026 NA

Kazipet - Telangana

Tender For corrigendum : supply of set of spares for modern rail tech(mrt) make speedometer for wag7 conventional electric locomotives. set consists of 02 items as follows: i) external memory card to mrt part no. sp101040mb;qty:05 nos. ii) signal conditioning unit to mrt part no.sp206000gc ;qty:02 nos. make: modern rail tech. [ warranty period: 30 months after the date of delivery ]

CTN :44726088

22 Apr, 2026 NA

Kanchrapara - West Bengal

Tender For corrigendum : supply of signal conditioning card (sap signal board) etc.

Central Government/Public Sector

CTN :44688560

22 Apr, 2026 NA

Coimbatore - Tamil Nadu

Tender For supply of populated pcbs & enclosures for red and yellow led signalling units micro controller based led signalling units consisting of populated pcb's of led display unit, current regulator and required connectors, fasteners along with enclosures in set. one set comprising of : 1. red aspect : 50 nos. 2. yellow aspect : 50 nos. (total 2 items only) technical specification as per the enclosed annexures. [ warranty period: 60 months after the date of delivery ]

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