Latest earthing resistor Tenders | Government earthing resistor Tenders

Central Government/Public Sector

CTN :40809486

14 Jul, 2025 NA

Mysore - Karnataka

Tender For corrigendum : supply of bracket for earthing wire (earthing resistor fixing bracket) as per drg. no. 1902332 [ warranty period: 30 months after the date of delivery ]

State Government

CTN :40841890

18 Jul, 2025 NA

Kamrup - Assam

Tender For supply and installation of laboratory equipment experimental setup for fyimp ug practical classes at the department of physics, gauhati university - laboratory equipments/experiment set ups, experiment name: to verify the law of malus for plane polarised lighttechnical specifcations:i. light source: - led: 532 nm or 635 nm ( 2 nm stability), 1 5 mw adjustable output. - unpolarized (extinction ratio >500:1). - collimated beam (divergence 0.5 mrad); qty-1ii. polarizers- glan-thompson or polymer film. - extinction ratio 10 :1 @ operating wavelength.- mounted in 50 mm rotation holders.; qty-2iii. rotation stage- motorized analyzer rotation (0.05 resolution). - accuracy: 0.1 . - range: 0 360 (continuous).; qty-1iv. photodetector- silicon photodiode (400 1100 nm). - linearity: r 0.999 (0.1 w 5 mw).- digital readout: 0.1 w resolution.; qty-1v. optical bench-- anodized rail ( 60 cm) with kinematic mounts. - vibration-damping feet.; qty-1, experiment name: to determine thespecific rotation of sugar solution using polarimetertechnical requirementsa.core instrumenti. light source- - sodium d-line (589.3 nm) or tunable led ( 2 nm stability). - output stability: 0.2% drift/hour.ii. polarizer/analyzer- glan-thompson prisms or high-grade polymer film. - extinction ratio 10,000:1 at 589 nm.iii. rotation stage- motorized with 0.001 resolution.- accuracy: 0.005 .- range: -90 to +90 .iv. sample cell-- borosilicate glass tubes with precision ground ends. - path lengths: 0.5 dm, 1.0 dm, 2.0 dm ( 0.01 dm tolerance). - temperature-controlled jacket (5 50 c 0.1 c).v. detector- photomultiplier tube (pmt) or low-noise photodiode. - linearity: r 0.999 over 0.1 w 5 mw rangevi. enclosure- light-tight with vibration damping. - internal black anodized surfaces.b.measurement specificationsi. specific rotation: range: -180 to +180 resolution: 0.001 accuracy: 0.01 ii. concentration-range: 0.01 0.5 g/ml (sucrose in water) detection limit: 0.001 g/mliii. temperature control-stability: 0.1 c at 20 c (standard condition), experiment name: to determine the wavelength and velocity of ultrasonic waves in a liquid (kerosene oil, xylene, etc.) by studying the diffraction through ultrasonic gratinga.core componentsi. ultrasonic generator- - frequency range: 1 10 mhz ( 0.1% stability). - adjustable output: 0 50 w. - digital display (resolution: 0.01 mhz).ii. transducer- piezoelectric (pzt) crystal, resonant at 2 5 mhz. - liquid-coupled design for efficient energy transferiii. liquid cell- optical glass (low thermal expansion). - dimensions: 100 50 50 mm (l w h). - sealed with quartz windows.iv. light source- he-ne laser (632.8 nm, 2 mw) or sodium lamp (589.3 nm). - beam collimation: 0.5 mrad divergence.v. optical system- adjustable slit (10 500 m). - collimating lens (f = 150 mm, 50 mm). - precision rotation stage for detector (0.01 resolution).vi. detection system- photodiode/pmt detector with linear response (400 800 nm). - traveling microscope (0.01 mm resolution) or ccd camera ( 5 mp).b.measurement specificationsi.wavelength ( )range: 0.1 2 mm, resolution: 0.001 mm, accuracy: 1%ii. velocity (v)range: 800 2000 m/s (liquids) resolution: 1 m/s accuracy: 2%iii. diffraction angles- measurement range: 30 resolution: 0.01 , experiment name: to verify the stefans law of radiation and to determine stefan s constanta.core componentsi.black body radiator- cavity-type design (emissivity 0.99). - material: nickel-plated copper.- operating range: 50 c 600 c. - aperture diameter: 10 mm 0.1 mm.ii. heating system- pid-controlled furnace (0 600 c). - stability: 0.5 c at 300 c. - power: 500 w (ac 230v).iii. temperature sensor- type k thermocouple or pt100 rtd. - accuracy: 0.5 c at 500 c (nist-traceable).iv. radiation detector- thermopile sensor (spectral range: 0.3 20 m). - responsivity: 10 v/w.- active area: 10 10 mm .v optical path. - water-cooled collimating tube with baffles.- adjustable aperture to define solid angleb.measurement specificationsi. temperature range100 c 500 c (reso

Central Government / Public Sector

CTN :40849732

10 Jul, 2025 NA

Tirupati - Andhra Pradesh

Tender For supply of earthing resistor

CTN :40797661

14 Jul, 2025 NA

Asansol - West Bengal

Tender For supply of earthing resistor for lhb coaches as per rcfs drg. no. lw71246, alt -c. and rcfs spec. no. edts101, rev - c with 2 amendments-last amendment no. 2 of 19.07.2021 and corrigendum no 1, 2, 3, 4, 5, 6 & 7 lastcorrigendum no. 7 on 03.10.22 with annexure - 1 on 04.02.2020. [ warranty period: 30 mont hs after the date of delivery ]

Central Government/Public Sector

CTN :40796031

30 Jun, 2025 NA

Jhansi - Uttar Pradesh

Tender For supply of "earthing resistor to rcf drg. no. lw71246, alt. c, conforming to rcf specification edts- 101 (rev. c) amendment -2, corrigendum-7, annexure-1." [ warranty period: 30 months after the date of deli very ]

Central Government / Public Sector

CTN :40781158

17 Jul, 2025 NA

Multi City - Multi State

Tender For supply of boss complete (for fixing earthing resistor in fiat bogie) confirming to icf drawing no.455-0-3-020, alt. a/nil [ warranty p eriod: 30 months after the date of delivery ]

Central Government / Public Sector

CTN :40578879

02 Jul, 2025 NA

Visakhapatnam - Andhra Pradesh

Tender For supply of maintenance kit - 01 for earthing equipment, consisting of following 3 items, material confir ming to rcf specification no. edts-101, rev c, amendment 2, corrigendum 7 or latest. 1) earthing cable to rcf drawing no. lw 71249 alt. c qty. 1 no./kit. 2) earthing cable to rcf drawing no. lw 71248, alt. c q ty. 3 nos./kit. 3) earthing resistor to rcf drawing no. lw 71246, alt. c, qty. 3 nos./kit [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :40659070

30 Jun, 2025 NA

Mysore - Karnataka

Tender For supply of earthing resistor for wheel set earthing equipment drawing: rcf drg no. : lw71246-alt-c spe cification no. :- rcf spec. edts 101 (rev. c) amend-3 corrigendum-8 and annexure-1 [ warranty period: 30 months after the date of delivery ]

Central Government / Public Sector

CTN :40621254

26 Jun, 2025 NA

Secunderabad - Telangana

Tender For supply of earthing resistor conforming to rcf specification no. edts.101, rev. c, amen dment no. 1 to 3, corrigendum- 1 to 8, annexure-1 to rcf drg no : lw71246 alt : c. [ warra nty period: 30 months after the date of delivery ]

Central Government / Public Sector

CTN :40538780

20 Jun, 2025 NA

Secunderabad - Telangana

Tender For earthing resistor earth fault detection aux converter 3.9 k ohm +/- 10%, 990v, 0.25a, 250w, schematic position 90.3 as per c lw spec.no: clw/es/3/0014 alt.h or latest. note: 1). one sample to be got approved before effecting bulk supply. [ warranty period: 30 m onths after the date of delivery ]

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