Latest concave lens Tenders | Government concave lens Tenders

CTN :40962876

18 Jul, 2025 51.00 Lacs

Mahbubnagar - Telangana

Tender For supply of law of forces , friction bwn wood and glass , velocity of sound in air , focal length of convex lens , refractive index of trvlng microscope. , winchester bottle , all glass single distillation unit , straight snips , bench vices , shear machine , forge for heating ms rod , anvil with hardie hole , swage block thick swage block , hand hammer , straight peen wooden handle , cross peen hammer wooden handle , sledge hammer wooden handle , flat tongs 450mm , round hallow tongs , v-mouth tongs , square hollow tongs 450mm , cold chisel , hot chisel , ammeter mi 0-5a , ammeter mc 0-1.5a , ammetermi 0-2.5a. , voltmetermi , wattmeter , single phase loading , three phase loading , digital tachometer , earth tester digital , single phase energy meter , ab plc trainer kit , dc series motor , slip ring induction motor , capacitor start motor , universal motor , three phase variac , single phase variac , automatic star delta starter , half controlled bridge rectifier , single phase series inverter with r and rl loads , dc shunt motor using chopper , kirchoff law trainer kit , digital multimeter , 0.5 hp, 230v electric blower , op-amp trainer kit , dual channel cro , video door bell kit , remote control switch system for lights fan , switching of various electrical devices using mobile , switching of various electrical devices using iot , vi characteristics photo cell trainer kit , logic gatestrainer kit , half adder full adder trainer kit , encoder decoder trainer kit , flip flop trainer kit , counters trainer kit , universal shift register trainer kit , split phase motor , milling machine , bomb calorimeter

CTN :40974188

26 Jul, 2025 NA

Senapati - Manipur

Tender For supply of projection system with lens

CTN :40941090

17 Jul, 2025 15.00 Lacs

Thane - Maharashtra

Tender For tender supply of school laboratory material , science material - chemical app. test tube 6"x1" (borosilicate), test tube 5"x5/8" (borosilicate), test tube stand wooden, wire gauge, tripod stand 8 x 4 , beaker 50ml ord, beaker 100ml ord, beaker 250ml ord, conical flask 250ml ord, evaporating dish 3", l tube, glass rod, thermometer 110oc red, measuring cylinder 100ml, blotting paper sheet (filter paper sheet), filter paper pkt, ph paper pkt, litmus red paper pkt, litmus blue paper pkt, pair of tongs, al strips, zn strips, cu strips, fe strips, plastic funnel 3", watch glass 3 , pipette 10ml, burette 25ml with pinch clip, thistle funnel, brush small, test tube holder, deflagrating spoon, physics concave mirror 2 , convex lense 2 , mirror stand wooden, glass slab 3x2, magnetic needle on stand, magnetic compass-3", dry cell box with wire, meter scale 1mt wooden, drawing board, drawing pins pkt, physics candal stand, battery eliminator -2-12v/2a, colour index chart, ohams law app., series app., parallel app., concave lense 2 , geometrical box plastic, weight machine-personal balance (human), lens stand wooden, white screen, dessecting microscope, sound app. reflection sound appartus, overflow vessel metal, restort stand complete set, law of moment app., light travel in stright line, crocodile clip red & black, only clamp for retort stand, 6v bulb, card board plastic sheet, plain mirror angle set (multiple image app.), prism, hope s app., chemical magnecium wire 25 gm., zinc granules 100 gm., ferrous sulphate 500 gm., copper sulphate 500 gm., sodium sulphate 500 gm., barium chloride 500 gm., lead nitrate 500 gm., dil hydrochloric acid 500 ml., dil sodium hydroxide soln 500 ml., acetic acid 500 ml., sodium bicarbonate 500gm., sulphuric acid 500 ml., hydrochloric acid 500 ml., glycerin 500 ml., iron metal powder 500 gm., sulpher powder 500 gm., sodium chloride 500 gm., pottassium permagnet 500 gm., silver nitrate soln 100 ml., iron wire 1 mtr., copper wire 1 mtr. each, ammonium hydroxide 500 ml., chemical iron sulphide sticks 500 gm., starch iodide paper per pkt, chlorine water 500 ml., universal indicator 500 ml.., red litmus soln 500 ml., blue litmus soln 500 ml., alu.dust 500 gm., zinc sulphate 500 gm., iodine soln 100 ml, lime water 500 ml., calcium carbonate 500 gm., phenolphthelein soln 500 ml., calcium hydroxide 500 gm., compound microscope, pottassium chloride 500 ml, potassium bromide 500 ml, potassium iodide solution 100 ml, simple microscope (single nose), ethanol (lab solvent) 500 ml, tincture iodine 100 ml, biology amoeba binnary fission slide, hydra budding slide, straited muscle slide, nerve cell slide, spirogyra slide, earthworm specimen in jar, cockroach - specimen in jar, fish - specimen in jar, plant cell sld, animal cell sld, human ear model, human brain model, human heart (4parts), excretory system model, electrical motor model, electrical generator model, structure of human eye(model in fibre), spirogyra jar - specimen in jar, agaricus jar - specimen in jar, mucor slide, bacteria slide, paramocium slide, food chain chart, food web chart, carbon cycle chart, oxygen cycle chart, nitrogen cycle chart, dna model, dna chart, animal tissue chart, cell division chart, slide of mitosis, slide of meiosis, slide of acetobacter, slide of streptococcus, thermophillis, slide of lactobacillius acidophillis, slide of saccaromyces serevisiae, slide of aspergillus oryza, chart plant issue chart, nervous system chart, std 10th science chart- part 1 marathi medium, std 10th science chart- part 2 marathi medium, std 9th science chart- part 1 marathi medium, std 9th science chart- part 2 marathi medium, electrical motor chart, electrical generator chart, part of flower chart, amoeba binnary fission chart, hydra budding chart, classification of plant chart+hindi & english comb, human reproductive system-female chart, human reproductive system-male chart

CTN :40811910

11 Jul, 2025 NA

Raipur - Chhattisgarh

Tender For corrigendum : supply of laboratory equipment for high and higher school (kit 01) , laboratory equipment for high and higher school (kit 2) - student microscope with light source, dissecting microscope, vernier calipers, screw gauge, glass slab, glass prism, magnetic compass, bar magnet, clinical thermometer, spring balance 250g, stopwatch, multimeter, resistance box plug type, set of tuning forks, rubber pad, bimetallic strip, physical weight box, constantan wire, mirror strip withholder, resistance coil, resistance coil, voltmeter, galvanometer, ammeter, battery eliminator, connecting wire, convex lens, convex lens, concave lens, concave lens, concave mirror, concave mirror, convex mirror, convex mirror, magnifying glass, zinc rod, zinc plate, one way key, two way key, thermo meter (c), ebonite rod, ring and ball apparatus, pulley plastic, horseshoe magnet, bob with hook, 50g slotted weight with hook, copper calorimeter with stir, measuring tape, daniel cell (copper vessel), clamp stand, soldering kit, soldering mat, charts showing human physiology, microscopic glass slide, petri dish, cover slips, forceps, dissecting needle, spirit lamps, test tube, test tube, test tube stand, beakers, beakers, test tube holder, blotting paper, watch glass, measuring cylinder, dropper glass, funnel, butter paper, filter paper no. 1, glass rod, tripod stand, model of heart, model of human ear, model of human eye, human skelton, slide box, bacteria bacillus, algae oscillatoria, algae spirogyra, fungi rhizopus, fungi yeast, l.s. funaria, amoeba, parenchyma, tissue, collenchymati ssue, sclerenchyma tissue, epithelial, tissue, muscular tissue striated, muscular tissue non, striated, muscular tissue cardiac, nerve fiber, mitosis, t.s.dicot stem and, monocot stem, t.s.dicot root and monocot, root, fungi, beehive shelf, bottle brush, chart periodic table, china dish, capillary tube, rubber cork, wash bottle, sand paper, spatula stainless steel, test tube, brush

CTN :40912287

04 Aug, 2025 NA

Raipur - Chhattisgarh

Tender For nfov module - mwir camera module, infrared (ir) detector, infrared (ir) optics module, video processing electronics card, power supply and communication controller electronics card, emi/ emc filter card, rugged mechanical housing for nfov sensor module, hd-sdi display (with two hd-sdi video inputs), graphical user interface (gui), device drivers, software complete code (on dvd/ pen drive), field testing and integration equipment, complete vhdl code or processor code of video processing software module for customized video processing electronics card, mwir detector, variable dc power supply (18-36vdc, 30 a), hdsdi to ethernet converter full hd resolution upto 60 hz. (support for windows 10), hdsdi to usb recorder (support for windows 10), 02 channel hdsdi to fiber optics transceiver units with foc (200m), programming dongles interfaces for updating codes in processor / micro controllers etc., interconnecting connectors, cables and harnesses for all electrical interfaces. (internal and external), rugged carrying case, lens covers and protective covers, temperature controller system (hot and cold), test jig, fixtures, installation tool kits and mounting hardware., swir camera module, infrared (ir) detector, infrared (ir) optics module, emi/ emc filter card, proximity electronics, power module, interface card, rugged mechanical housing for nfov sensor module, hd-sdi display (with two hd-sdi video inputs), graphical user interface (gui) software complete code (on dvd/ pen drive), field testing and integration equipment, complete vhdl code or processor code of video processing software module for customized video processing electronics card, swir detector, solidworks premium 2024 or higher (with simulation) node locked perpetual licensed software, version upgradable for minimum 3 years, for mechanical modeling & simulation, vivado xilinx enterprise software with perpetual license (latest version), rugged mechanical cabinet (shelf type) for clean storage of electro-optical instruments, test jig, fixtures, installation tool kits and mounting hardware., interconnecting connectors, cables and harnesses for all electrical interfaces. (internal and external), cables and connectors (assorted) with each nfov sensor module, application code / user graphical interfaces (for swir and mwir): 1 set in dvd (graphical user interface for camera control implementing control for all camera functionality interface to camera via rs422/232, focus, zoom, polarity, agc, int time etc, nuc calibration, matlab application for image quality assessment), documentation charges (as per specifications), nre charges (if applicable)

CTN :40611204

04 Jul, 2025 14.02 Lacs

Ramanathapuram - Tamil Nadu

Tender For corrigendum : procurement and installation of cctv surveillance system - 5mp cp plus varifocal lens camera 60 mtrs unc tb51zl6 vmds , 4mp varifocal lens camera 40mtrs ta41zpl5 md 2812 , supply of 55 inch samsung monitor , supply of 65 inch samsung monitor , supply of desktop 17 12700 8gb 512gb ssd win 11 sl 3 years warranty make hp , power extension , media convertor , 8 port poe switch , 4 port poe switch , 12v 2 amps adaptor , poe switch box , camera back box , camera pole , fiber joint box , fiber splicing , sc port dual mode patch card , hdmi cable for 15 mtrs , pvc conduit , 25mm hdpe pipe , powercable 3 core x 2.5 sq.mm , cat6 unarmoured cable , 6core ofc singlemode armoured cable , digging charges

CTN :40870496

18 Jul, 2025 NA

Mumbai - Maharashtra

Tender For tender for supply of upgradation and integration of existing surveillance system : : - 5 mp ir bullet camera indian origin cp plus outdoor security camera 3 point 6 mm fixed lens max 25 fps at 5 mp 16 into 9 video output ir range of 20 mtrs with built in mic , 5 mp ir dome camera indian origin cp plus wdr ir vandal dome camera 4 mp ir distance 30 m cpuncvb41l3cmds , ptz ip camera 25x zoom (india origin) cp plus 2 mp full hd 25x network and network ir ptz camera ir distance 100 mtrs cpuncd251l10-dp , cat vi utb cable , 32 channel nvr with 2 sata 4322 v3 with wall fitted cabinet and racks indian origin , 16 tb hard disk for 21 days backup , led display 43 inch , installation and commissioning charges

CTN :40864249

16 Jul, 2025 NA

Multi City - Multi State

Tender For invitation of quotation for supply of other than cat b or cat b stores -snnrr al^ho ,,r,,,9 ne,rvrvv rvilrrl,l less uamgra: uompact aps_c i lens digitar camera with rear-time eye auto focus, 4k vide< 1 8-1 35mm-e compatible cameras , flash light master slave speed light 2.4g wireless system for dslr camera canon, nikon, pentax, olympus, fuji, sony

State Government

CTN :40864335

16 Jul, 2025 7.20 Lacs

Raichur - Karnataka

Tender For visual checking &functional checking, tuning and calibration of each field electronic pre-amplifier cards (flame scanner head assembly). flame scanner cards checking (intensity card, fault detection card, frequency setting card) calibration. if cards found faulty same to be replaced & will be provided m/s kpcl.replacement of optical fibre cable, lens, lens barrel assembly, if necessary& same will be provided m/s kpcl.setting & calibration of pull- in and pull-out cards of each corner.flame scanner power supply healthiness checking.replacement of small components like registers, capacitors, pico fuses, lens barrel supporting springs are in the service provider scope.all the testing kits, tools and manpower required for the job shall be in the scope of service provider.the service provider has to submit the certified calibration report after completion of tests.it is the complete responsibility of the firm to execute the job & to bring back the system in to operation without time delay.

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

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