Latest null detector Tenders | Government null detector Tenders

Central Government/Public Sector

CTN :45351345

17 Jun, 2026 45.00 Lacs

Darjeeling - West Bengal

Tender For repair, maint and replacement of main pipelines, panels, cables, sluice valve, water level indicator, rewinding of pumpsets etc including allied works at zone b area of bagrakote mil stn under ge sevoke road

Central Government/Public Sector

CTN :45351353

17 Jun, 2026 45.00 Lacs

Darjeeling - West Bengal

Tender For repair, maint and replacement of main pipelines, panels, cables, sluice valve, water level indicator, rewinding of pumpsets etc including allied works at zone a area of bagrakote mil stn under ge sevoke road

Central Government/Public Sector

CTN :42714039

01 Jun, 2026 NA

Yamunanagar - Haryana

Tender For bid to ras corrigendum : supply of wx9771615262 drg: 31611770128 rev: 00 condenser air evacuation packa ge (vacuum pump) 30scfm itemid: , w96716155317 drg: - rev: 00 complete vacuum pump (bare shaft vacuum pump) spec: he57016 rev: 04 itemi , w96716155465 heat exchanger for vacuum pump package. spec: he57016 rev: 04 size: - itemid: bh010 , wx9771615270 terminal plate for main motor of vacuum pump size: ----- itemid: bh010 , wx9771615289 heaters for main motor of vacuum pump size: ---- itemid: bh010 , wx9771615297 greasing arrangements for main motor of vacuum pump size: --- itemid: bh010 , w97716155067 bearing for motor of vacuum pump (30 scfm) (1set= 2nos) spec: he57016 rev: 04 size: to s , wx9771615300 terminal plate for rc pump mot or size: ---- itemid: bh010 , wx9771615319 heaters for rc pump motor size: ---- itemid: bh010 , wx9771615327 greasing arrangements for rc p ump motor size: ---- itemid: bh010 , wx9771615335 bearing for for rc pump motor (1set= 2nos) size: ---- itemid: bh010 , w96716155325 main motor for vacuum pump spec: he57016 rev: 04 size: - itemid: bh010 , wx9771615343 motor for recirculation pump for 30 scfm vacuum pump size: --- itemid: bh010 , w97716152033 temperature element for vacuum pump spec: he57016 rev: 04 size: - itemid: bh010 , w97716152041 thermowell for temperature element spec: he57016 rev: 04 size: - itemid: bh010 , w97716155822 pressure transmitter for vacuum pump system: 0-1 bar abs spec: he57016 rev: 04 itemid: b , w96716155244 drg: 31611770051 rev: 00 temperature transmitter for vacuum pump spec: he57016 rev: 04 i , w96716155813 level transmitter for vacuum pump spec: he57016 rev: 04 size: - itemid: bh010 , w96716155210 drg: 31611770047 rev: 00 differential pressure switch for vacuum pump. spec: he57016 rev , w96716155490 flow indicator cum switch for vacuum pump spec: he57016 rev: 04 size: - itemid: bh010 , w97716155733 drg: to suit original supply rev: 00 pressure gauge (0 to -1 bar) itemid: bh010 , w97716155741 drg: to suit original supply rev: 00 pressure gauge (service water) itemid: bh010 , w97716155466 temperature gauge 0-100 deg c, for vacuum pump heat exchanger size: 0 to 100 deg c dim. , w96716155457 differential pressure gauge for vacuum pump package duplex filter spec: he57016 rev: 04 , w97716155849 drg: to suit original supply rev: 00 air flow meter (rotameter) for vacuum pump system s , w97716155547 level gauge for vacuum pump separator tank spec: he57016 rev: 04 size: to suit original , w97716117106 supervision of commissioning lump sum per man day charges at site, including every expe , w97716117114 supervision of commissioning lump sum per visit charges (to & fro) including travelling

CTN :45356770

08 Jun, 2026 NA

Jaipur - Rajasthan

Tender For supply of grill sheet lh , grill sheet rh , front cab bush , panel board lh , panel board rh , head light , director indicator light , bolt , nut , fan belt vee ribbed , head fuel filter , catridge fuel filter , level sensor , element lubricant oil filter , radiatort top hose , radiator bottom hose , radiator mounting rubber pad lower , return line hose , service indicator , v clamp , ignation switch , fuel stainer , fuel filter with primer , oil filter , fuel slouite , hyd filter , hyd control volve seal , arm cyl seal kit , control valve hose , fuel pipe line set , water temp guage , tube inner 10 16 point , tubless tyre nozle , fuel tank filter cap , hyd tank filler cap , fuel line main , fuze mix 10 15 20 amp , relay all type , indicator , arm rest set

CTN :45346428

15 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of renewable energy practical equipments - equipments for renewable energy practices:, rc phase shift oscillator oscillator type: rc phase shift oscillator using transistor / op-amp configuration. input supply: 230 v / 50 hz ac with regulated internal dc supply. output frequency range: 100 hz 10 khz adjustable. output: sinusoidal waveform with adjustable amplitude up to 10 vpp. rc network: three-stage rc phase shift network with frequency control arrangement. cro test points: dedicated cro terminals at amplifier output, each rc stage, and final output for waveform and phase-shift observation. protection: over-voltage and short-circuit protection provided. indicators and controls: power on led indication with frequency and gain adjustment controls. accessories: patch cords, circuit diagram, strain guage characteristics kitac 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, load cell characteristics kit input supply: 230 v / 50 hz ac with regulated internal dc supply. sensor: strain gauge load cell with suitable mounting arrangement. load range: 0 10 kg. display: digital display for load/output indication. cro / test points: test points provided for observing bridge output, amplifier output, and signal conditioning stages. controls: zero adjustment and calibration controls provided. protection: overload and short-circuit protection provided. accessories: loading arrangement, connecting leads., measurement of tank level using rotometer input supply: 230 v / 50 hz ac with regulated internal dc supply. tank arrangement: transparent tank with 30 liters capacity with suitable supporting stand. rotameter range: 0 4000 l/hr calibrated rotameter. flow system: pump, control valves, and piping arrangement provided for continuous flow operation. measurement facility: provision for flow-based tank level measurement and observation. display / observation: calibrated level indication with flow monitoring arrangement. test points: output terminals provided for monitoring sensor/output signals. accessories: connecting tubes., measurement of tank level using displacer type level transmitter input supply: 230 v / 50 hz ac with regulated internal dc supply unit. measurement principle: buoyancy (archimedes principle) using displacer element. tank arrangement: transparent experimental tank with 30 liters capacity and suitable mounting stand. level range: suitable laboratory-scale level measurement (0 100% tank height). sensor system: displacer type level transmitter with continuous level output signal. display unit: digital indicator for level display in percentage / engineering units. output signals: standard analog output (4 20) ma / (0 10) v provided for monitoring. test points: provided for transmitter output, signal conditioning, and display unit verification. controls: zero and span calibration adjustment provided for setting level reference. protection: over-voltage and short-circuit protection for electronic modules. accessories: connecting cables, piping arrangement, loading medium (water), measurement of temperature using pt100 input supply: 230 v / 50 hz ac with regulated internal dc power supply unit. sensor: pt100 resistance temperature detector (rtd) probe with stainless steel sheath. measurement principle: resistance variation of platinum element with temperature. temperature range: 0 c to 150 c (or suitable laboratory range). display unit: digital temperature indicator with direct c display. accuracy: high accuracy with linearized rtd signal conditioning circuit. sign

CTN :45346446

11 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For purchase of lab equipments for res dept - purchase of lab equipments for res dept, rc phase shift oscillator (iemcode:o001)specifications: oscillator type: rc phase shift oscillator using transistor / op-amp configuration. input supply: 230 v / 50 hz ac with regulated internal dc supply. output frequency range: 100 hz 10 khz adjustable. output: sinusoidal waveform with adjustable amplitude up to 10 vpp. rc network: three-stage rc phase shift network with frequency control arrangement. cro test points: dedicated cro terminals at amplifier output, each rc stage, and final output for waveform and phase-shift observation. protection: over-voltage and short-circuit protection provided. indicators and controls: power on led indication with frequency and gain adjustment controls. accessories: patch cords, circuit diagram., strain guage characteristi cs kit(iemcode:o002)specifications: 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. no rs.10,000 2 table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords, load cell characteristi cs kit(item code: o003)specifications:input supply: 230 v / 50 hz ac with regulated internal dc supply. sensor: strain gauge load cell with suitable mounting arrangement. load range: 0 10 kg. display: digital display for load/output indication. cro / test points: test points provided for observing bridge output, amplifier output, and signal conditioning stages. controls: zero adjustment and calibration controls provided. protection: overload and short-circuit protection provided. accessories: loading arrangement, connecting leads., measurement of tank level using rotometer(item code: o004)specifications: input supply: 230 v / 50 hz ac withregulated internal dc supply. tank arrangement: transparent tank with 30 liters capacity with suitable supporting stand. rotameter range: 0 4000 l/hr calibrated rotameter. flow system: pump, control valves, and piping arrangement provided for continuous flow operation measurement facility: provision for flow-based tank level measurement and observation. display / observation: calibrated level indication with flow monitoring arrangement. test points: output terminals provided for monitoring sensor/output signals. accessories: connecting tubes., measurement of tank level using displacer type level transmitter(item code: o005)specifications: input supply: 230 v / 50 hz acwith regulated internal dcsupply unit. measurement principle:buoyancy(archimedesprinciple) using displacerelement tank arrangement: transparent experimental tank with 30 liters capacity and suitable mounting stand. level range: suitable laboratory-scale level measurement (0 100% tank height). sensor system: displacer type level transmitter with continuous level output signal. display unit: digital indicator for level display in percentage / engineering units. output signals: standard analog output (4 20) ma / (0 10) v provided for monitoring. test points: provided for transmitter output, signal conditioning, and display unit verification. controls: zero and span calibration adjustment provided for setting level reference. protection: over-voltage and short-circuit protection for electronic modules. accessories: connecting cables, piping arrangement, loading medium (water), measurement oftemperature using pt100(item code: o006a)specifications: input supply: 230 v / 50 hz ac with regulated internal dc power supply unit. sensor: pt100 resistance temperature detector (rtd) probe with stainless steel sheath measurement principle: resistance variation of platinum element with temperature. temperature range: 0 c to

CTN :45337724

15 Jun, 2026 NA

West Singhbhum - Jharkhand

Tender For supply of isi marked 5 star rated 1.5 hp, 1.1 kw single phase submersible pump set, having discharge capacity 0.66 lps, discharge head 70 meter, for bore size 100mm, delivery size 32 mm, no of stages 15, speed 2770 rpm, control panel with starter having isi marked mcb, ammeter, voltmeter, single phase preventer & water level indicator.pump set should include non return valve ,erection clamp & other accessories, isi marked submersible flat cable 3 core flat with copper conductor to is: 694-3m. make of pump set should be crompton, ksb, kirloskar,penguin or shakti. conformity to is : 8034 latest ( indian standard of submersible pump set ) & is: 9283 latest ( indian standard of wet type for continuous rating synchronous motor). [ warranty period: 30 months after the date of delivery ] ]

CTN :45334271

30 May, 2026 50.0 Thousand

Bangalore - Karnataka

Tender For repair and repalcement of existing cast iron pipelines and g.i lines with hdpe pipe lines from over head rcc tank to all buildings at ivri, bangalore main campus. sh: supplying of water tanker and repairing oht level indicatorsubwork/packages:sh supplying of water tanker and reapiring oht level indicator

CTN :45322006

01 Jun, 2026 NA

Panipat - Haryana

Tender For rc/purchase of workshop tool / general consumables material (part-1) > - araldite, make- pidilite (1.8kg packing), sr-998, make: pidilite, ( per kg), m-seal (per kg.), make: pidilite, locktite -406 (per 20ml), make: hankle, blue tube paste (set), hold tite (kg.), make-pidilite, rustolene (per ltr), birkosit sealing compound, dunlop adhesive (kg.), safeda (zink white powder) (per kg), graphite powder (kg.), make-vicco, lock tite 641 standard make (50 ml), lock tite 401 standard make (set), safety solvent standard, molikote paste 1000 (pkt./tube), molykot- g rapid plus, molykot- d-321 spary, molykot spray 1000 (400 ml), molykot grease 1000, molykot-z powder (per kg), anabond 666 (100gram), molykot spray l-0500, stag-b compound jointing (per kg), dp test kit set of 03 bottles, make: checkmate, wd-40 spray (400 ml), make- pidilite, brasso (500 ml), puf spray pu foam insulation sealent (750gram), make- abro, roll guard grease, make: j.d jones (per kg), grease unirex n-3, make- mobil (per kg), gadus grease s2 v 100 3, make- sheel (per kg), bearing retainer 660, thread seal 542, fevicol sh (per kg), cold galvansing compound (6017) pure zink undercoating, make- twin tech india pvt ltd., feviquick 50 ml, cotton waste (kg.), marking cloth (mtr.), filter cloth, coton cloth (canvas), size-48 (per mtr), old dhoti, heavy duty forged steel u-clamp (pcs), steel wire brush (pcs.), painting brush size 2 ashoka make, painting brush size 3 ashoka make, painting brush size 4 ashoka make, painting brush size 5 ashoka make, painting brush size 6 ashoka make, steel lock, size-65mm , make- harison, aldrops with accessories, size-12 , material-steel, chargeble led torch 6 to 8 , teflon tape, make- champion, grease gun 2 kg., grease gun 5 kg., grease gun 10 kg., power master make tube expander with main drill shaft and ratchet handle complete set size 45mm, power master make tube expander with main drill shaft and ratchet handle complete set size 90mm, vibration meter, (pcs.), ultrasonic thickness tester (set), measuring tape 3 mtr., make-hi-wide (pcs.), measuring tape 5 mtr., make-hi-wide (pcs.), measuring tape 10 mtr., make-hi-wide (pcs.), measuring tape, 13mm fiberglass water proof, 50 mtr, make- freemans, measuring tape, 13mm fiberglass water proof, 100 mtr, make- freemans, grinder ag-4, make: bosch, grinder ag-7, make: bosch, impact wrench model gds 18e, make: bosch, walkie talkie model-tk3501 make: kenwood (license free), temperature gun, range: 0-2000c, make- fluke, temperature gun, range: 0-5500c, make- fluke, ss paint air spray gun, master level +0.02mm accuracy, size-6 , make- mitutoyo/rsk japan, dial test indicator with magnetic stand, 50mm, make- mitutoyo., shore-a digital rubber hardness durometer (din-53-505,aspm-d,2240) (pcs.), make- eco-sr, drill machine 0 to 10mm make bosch, lead wire 0.5mm (per roll rate required), lead wire 0.7mm (per roll rate required), zig zag clamp, size-3/4 , tube expender with main drill shaft with ratchet handle complete set, make: power master, car washing pressure pump heavy duty, working pressure 125 bar with 40 mtr extra pipe.(jet pump), make: bosch, electronic type weighing scale, range-0.01mg to 100gm, electronic weighing scale suitable upto 2kg, electronic weighing machine, size-600x600mm, cap-200 kg, electronic weighing machine, size-400x400mm, cap-100 kg, electronic weighing machine, size-400x400mm, cap-50 kg, straight shank bit/tapper shank drill bit/ tap set, make- miranda, heavy duty impact socket with hole 19mm for impact wrenach, heavy duty impact socket with hole 30mm(suitable for 1 inch square) for impact wrench, heavy duty impact socket with hole 32mm(suitable for 1 inch square) for impact wrench, heavy duty impact socket with hole 34mm(suitable for 1 inch square) for impact wrench, heavy duty impact socket with hole 46mm(suitable for 1 inch square) for impact wrench, sa-46 steel socket set, make- taparia, tool goti 34 no., air blower, make- bosch, hot air blower 1500 watt bajaj make (room heat

CTN :45326580

09 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of instrumentation and control engineering practices (equipment) - motorized control valve trainer kit signal input:4 20 ma or 0 5 v valve characteristic:equal percentage stem movement:maximum 10 mm or 12 mm body material:cast iron trim material:ss 316 trim size: cv value:2 or 5 actuator:servo motor supply voltage:230 v ac, 50 hz connection: flanged or screwed type. digital indicator provided potentiometer provided for varying the 4 20 ma input signal, saybolt viscometer apparatus glass type: high-quality borosilicate glass tube. control type: manual energy regulator control. shape: rectangular bath with cylindrical test chamber. temperature range: ambient to 240 c oil bath temperature. humidity: up to 80% rh (non-condensing). power supply: 230 v ac, 50 hz. measuring range: 32 to 1000 sus(saybolt universal seconds). accuracy: as per astm d-88( 0.2 seconds). mounting type:benchtop. capacity:one cup(approximately 60 ml). control mode:manual operation. port size:standard orifice sizeas per astm d-88. features:oil bath with heater,thermoregulator,insulated outer body,orifice,receiver flask, control valve trainer kit three pneumatic control valves provided with individual hand valves valve characteristics: i) quick opening ii) linear iii) equal percentage. valves connected in parallel configuration for comparative study. pneumatic operation with air supply connection. control valve assembly mounted on trainer panel. power supply: 230 v ac, 50 hz., water level measurement trainer kit using capacitive type transducer tabletop model with transparent acrylic tank of approximately 50 cm height. capacitive type level sensor for continuous level measurement. sensor output: (4 20)ma and/or (0 5)v with built-in signal conditioning. vertical pump for water circulation from sump to tank. flow control valve, overflow, and drainage arrangement. digital display for water level indication in cm. power supply: 230 v ac, 50 hz, single phase. in-built regulated dc power supply for sensor and control circuit. mounted on powder-coated ms frame for laboratory use. suitable for calibration and study of capacitive level measurement.

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