Latest heat sink assembly Tenders | Government heat sink assembly Tenders

State Government

CTN :40841890

25 Jul, 2025 NA

Kamrup - Assam

Tender For corrigendum : 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

Central Government/Public Sector

CTN :41122661

08 Aug, 2025 NA

Multi City - Multi State

Tender For repair and maint of ro, plant, filteration plant, solar water heating system including geyser and other connected works and repair replacement and maintenance of internal wiring and miscellaneous connected items of army units of dharmund under age (i) bhalra

Central Government/Public Sector

CTN :40620102

04 Aug, 2025 79.17 Lacs

Khadki - Maharashtra

Tender For corrigendum : provision of solar water heating system at otm accommodation under ge (central) khadki

CTN :41113941

31 Jul, 2025 35.44 Crore

Multi City - Multi State

Tender For design and construction of ug and pg hostel g plus 3 floors for girls of 500 capacity and dining hall ground floor for central university of karnataka at kalaburagi, karnataka including internal water supply, sanitary installations, drainage, overhead terrace tanks, rain water harvesting, internal electrical installations, lightning conductor, firefighting system, lifts, solar water heating system, lt panel, street lighting and development of site, bulk services including internal roads, paths, storm water drains and sewerage lines etc. all complete on engineering, procurement and construction epc basis.

CTN :41113944

31 Jul, 2025 35.08 Crore

Multi City - Multi State

Tender For design and construction of ug and pg hostel g plus 3 floors for boys of 500 capacity and dining hall ground floor for central university of karnataka at kalaburagi, karnataka including internal water supply, sanitary installations, drainage, overhead terrace tanks, rain water harvesting, internal electrical installations, lightning conductor, firefighting system, lifts, solar water heating system, lt panel, street lighting and development of site, bulk services including internal roads, paths, storm water drains and sewerage lines etc. all complete on engineering, procurement and construction epc basis.

CTN :41045384

18 Jul, 2025 3.54 Lacs

Chandigarh - Chandigarh

Tender For corrigendum : repair maintenance of ei and fans, ht sub station, vrv system, dg sets, lifts, cctv, solar pv generation system, solar heating system, mechanical ventilation system, fire alarm, fire fighting system including drinking water supply pump and dewatering pumps at newly constrctred t-iv 28 nos. and t-vi 14 nos. qtrs. sector 38b, chandigarh. sub head :- comprehensive maintenance of 4 nos. johnson make lifts.

CTN :41132594

25 Jul, 2025 1.86 Lacs

Chandigarh - Chandigarh

Tender For supply, installation, testing and commissioning of solar water heating system at of t-vi ag bungalow no. 139, sector -24 a, chandigarh.

CTN :41113867

24 Jul, 2025 16.92 Lacs

Delhi - Delhi

Tender For maintenance of electrical installation & fans at sc/dhc judges bungalow under sd-ii/ded-102, new delhi (sh: providing and fixing solar water heating system at various bungalows)

CTN :41100167

28 Jul, 2025 NA

Mumbai - Maharashtra

Tender For supply of misc laboratory equipment : : - laboratory oven for app. drying , heating mantle flask size 250 ml , heating mantle flask size 500 ml , heating mantle flask size 1 lit. , soxhelt app. flask capicity 500 ml , hot plate with mangetic stirrer 8 inch r , hot plate 8 inch dia , water bath 12 hole , water bath 6 hole , muffle furnace , laboratory oven for bottle drying , viscosity bath for 6 viscometer

Central Government/Public Sector

CTN :40773516

22 Jul, 2025 50.00 Lacs

Shillong - Meghalaya

Tender For corrigendum : repair/maint of geysers and solar water heaters and heating appliances at shillong cantt and happy valley and se falls and repair/maint of dg sets and allied work services at happy valley area under ge shillong

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