Latest null detector Tenders | Government null detector Tenders

Central Government/Public Sector

CTN :44915096

02 Jul, 2026 13.44 Lacs

Balaghat - Madhya Pradesh

Tender For bid to ras providing of hiring of consultants - milestone/deliverable based - ukwa mine - sampling and analysis of respirable dust in all mines, emd plant dongri buzurg mineand ferro manganese plant of balaghat mine by dgms approved personal dust sampler - as per tender doc..,hiring of consultants - milestone/deliverable based - balaghat mine - sampling and analysis of respirable dust in all mines, emd plant dongri buzurg mineand ferro manganese plant of balaghat mine by dgms approved personal dust sampler - as per tender..,hiring of consultants - milestone/deliverable based - fmp -balaghat - sampling and analysis of respirable dust in all mines, emd plant dongri buzurg mineand ferro manganese plant of balaghat mine by dgms approved personal dust sampler - as per tender..,hiring of consultants - milestone/deliverable based - tirodi mine - sampling and analysis of respirable dust in all mines, emd plant dongri buzurg mineand ferro manganese plant of balaghat mine by dgms approved personal dust sampler - as per tender d..,hiring of co

State Government

CTN :45557883

06 Jul, 2026 87.00 Lacs

Lucknow - Uttar Pradesh

Tender For supply of respirable dust sampler as per is 5182 (q3)

CTN :45562952

01 Jul, 2026 43.22 Lacs

West Tripura - Tripura

Tender For supplying, installation, testing and commissioning of equipments for electrical measurement, electrical workshop, electrical machine & power system laboratory at ttaadc polytechnic institute, khumulwng, west tripura for the project "improvement of infrastructure in ttaadc polytechnic institute, khumulwng, west tripura, district under higher education department” under the nec scheme. (2nd call) - supplying, installation, testing and commissioning of electrical measurement, electrical workshop, electrical machine & power system laboratory equipments/machineries of electrical engineering department at ttaadc polytechnic institute, khumulwng, west tripura under the nec scheme "improvement of infrastructure in ttaadc polytechnic institute, khumulwng, west tripura, district under higher education department." (2nd call), kelvin double bridge trainer kitthe instrument should have following features : easy illustration of kelvins bridge digital display (dpm) for null detection online product tutorialthe instrument should have following technical specifications :dc power supply : +5vknown resistance : r1=100k , 20k , 10k r3=1k , 200 , 100 dpm : 2vdimensions (mm) : 240 w x 345 d x 110 hunknown resistance : 0.3 , 0.4 , 0.8 mains supply : 230 v 10%, 50 hz, whetstone bridge trainer kitthe instrument should have following features :sample : constantan, nichromeprovided with dc power supply compact designeasy to operatethe instrument should have following technical specifications:dc power supply:5vgalvanometerdeflection:30 - 0 30resistance:80 unknown resistance type: variablerange:0 - 10k wire samples: -constantan: 1mnichrome:1mfuse:500mamains supply: 90 - 275v, 50hzdimensions (mm):w 345 x d 240 x h 110, experimentation with de sautys and schearing bridgethe instrument should have following features: - a complete set up with all necessary accessories inbuilt 1 khz sine wave generator with variable amplitude null detector with dpmtechnical specification: -sine wave generatorfrequency range:1khz 10%amplitude control output: up to 15vppfuse:500 ma, s/bdpm:200 mvunknown capacitor:0.1 f, 0.22 f, 0.47 fmains supply:230v ac, 10%, 50hzdimension (mm):w 345 x d 240 x h 110, experimentation with maxwells bridgethe instrument should have following features : illustration of both maxwells inductance bridge and maxwells inductance-capacitance bridge on a single board inbuilt 1 khz sine wave generator with variable amplitude null detector with dpmthe instrument should have following technical specifications :mains supply : 230 v 10%, 50 hzdc power supply : +12v, -12vsine wave generatorfixed frequency : 1khz 5%amplitude control range : upto 20vppunknown inductors : 10 mh, 20mh, 30 mh, 56 h, 24 h, 12 hdpm : 200mvunknown internal resistance : 470w, 10 , 20 , 30dimensions (mm) : w 240 x d 345 x h 110, measurement of three phase active & reactive power with single phase wattmeter technical specifications:analog meters: analog voltmeter, range : 300v analog ammeter, range : 2a analog wattmeter power supplies: operated on mains power 415v, 50hz +10%components are mounted on the panels are: capacitive load inbuilt inductive load inbuilt resistive load (external)salient features: three phase power light indicator for mains. front panel built with high class insulated bakelite sheet with sticker well printed circuits and symbols. mcb for short circuit protection connections are brought out through 4mm colored safety sockets. patch cords 4mm. the trainer is housed in metal cabinet. size of the trainer set 36 x 24 , power & power factor measurement by ct & pt in three phase circuittechnical specifications:power supplies: ac power supply 0-415v at 4a operated on mains power 415v, 50hz +10%digital meters: digital voltmeter digital ammeter , digital wattmeter (analog), digital power factor meter components are mounted on the panels are: 3 phase capacitive load (inbuilt) 3phase resistive load (external) 3phase inductive load (external) emergency stop

Central Government/Public Sector

CTN :45341838

12 Jun, 2026 47.54 Lacs

Dipka - Chhattisgarh

Tender For corrigendum : establishment of separate platforms (11 nos.) for respirable dust sampler and pm 2.5 sampler at air monitoring locations of gevra area

Central Government / Public Sector

CTN :45331988

16 Jun, 2026 NA

Gorakhpur - Uttar Pradesh

Tender For providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - manufacturing unit; as per tender; buyer - bod incubator (hasthas bod incubator), bod incubator (velp scinentifica), cod-cr determination, apparatus, cod digestor tr 320, conductivity meter, desk-top, conductivity meter, portable, for high pure water, dissolved oxygen analyzer, portable,, flue gas analyzer for stack gas analysis, gas meter, dry, gas meter, wet, hot plate, ice making machine, magnetic stirrer, magnetic stirrer with heater, muffle fumace, oven, drying (forced convection), oxygen analyzer for gas, trace, ph meter, desk-top, ph meter, portable, sampling apparatus for urea dust, sieve shaker, turbidimeter (oakion), ultrasonic cleaner, gas analyzer for ammonia/hydrocarbo n/carbon, centrifuge for oil in water test, fine particulate sampler, crushing strength measuring apparatus, halance analytical 220g, balance analytical top loading, balance analytical top loading, tensile strength machine

Central Government/Public Sector

CTN :45119066

26 May, 2026 7.64 Lacs

Patti - Punjab

Tender For corrigendum : supply of amc preventive visit atleast two times a year lump sum estimated unit cost , rewinding of motor of pm10 sampler , rewinding of pump of pm2.5 sampler , change of washer of pump of pm2.5 sampler , change of one no. of patti of pump of pm2.5 sampler , change of one no. of metal ring of pump of pm2.5 sampler , replacement of motor of pm10 sampler , replacement of pump of pm2.5 sampler , replacement of one no. of manometer of pm10 sampler , replacement of water tank of pm10 sampler , replacement of silicone pipe in pm10 sampler , replacement of one no. of data logger of pm2.5 sampler , replacement of one no. of downpipe of pm2.5 sampler , replacement of one no. of 6 mm pu pipe of pm2.5 sampler , replacement of one no. 8 mm pipe of pm2.5 sampler , replacement of one no. of wins impactor of pm2.5 sampler , replacement of one no. of inlet cap of pm2.5 sampler , repair of one no. of stablizer change of relay of dust samplers , repair of one no. of stablizer change of display card of dust samplers , replacement of one no. of stablizer , repair of time totalizer of dust samplers , change of door lock of housing assembly of dust sampler , replacement of toggle switch , replacement of ac socket , replacement of fushe holder , replacement of digital timer , replacement of i bolt set , replacement of glind , replacement of hinges , replacement of nut bolt screw steel , change of glass impinger , calibration respirable dust sampler pm10 sampler , calibration of pm2.5 sampler , calibration of gaseous sampling

CTN :45225501

05 Jun, 2026 9.00 Lacs

Dhanbad - Jharkhand

Tender For supply of dgms approved personal dust sampler -pds , calibrator , cyclone , filters , sampling tube

Central Government/Public Sector

CTN :44957014

08 May, 2026 3.18 Lacs

Anuppur - Madhya Pradesh

Tender For corrigendum : providing of calibration services - personal dust sampler; repairing with spares servicing and calibration of 10 nos personal dust sampler cip10 jamuna kotma area; the manufacturer/suppliers of the instruments or their authorized agents or at an approved laborato..

Central Government/Public Sector

CTN :44936187

30 Apr, 2026 3.91 Lacs

Sidhi - Madhya Pradesh

Tender For repairing and calibration of 4 nos personal dust sampler (pds) and 2 nos gravimetric dust sampler (gds) at nigahi project.

Central Government/Public Sector

CTN :44899943

27 Apr, 2026 4.48 Lacs

Bishrampur - Chhattisgarh

Tender For providing of custom bid for services - one time servicing and calibration of 06 nos air dust pump instrument or personal dust sampler 06 nos make sc inc uk of various mines of bishrampur area

Null Detector Tenders

By Cities

By States

By Agencies

By Ownerships

By Sectors