Latest ph meters Tenders | Government ph meters 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

CTN :41108229

06 Aug, 2025 NA

Katni - Madhya Pradesh

Tender For supply of laboratory items- , hot air oven s s chamber digital model, plant tissue culture rack 5 shelves, anti sera 10 ml, lcd projector with screen, haemoglobinometer marienfield, micropipette tips pack of 1000 tips, micro tip box universal pack of 10, gel electrophoresis unit with power supply, innoculation loop pack of 10, l shape spreader pack of 20, franck-hertz argon tube experiment set, cornus method of interference, measurement of susceptibility quincks method, electron spin lande g factor, babinet compensator complete set, refrigerated bench top micro centrifuge,, water & soil testing kit digital briefcase model

CTN :41114247

28 Jul, 2025 42.00 Lacs

Meerut - Uttar Pradesh

Tender For design installation and maintenance of educational lab - ict lab; physics, chemistry , bio lab matterial as per pdf attached; buyer: a) physics lab items: -1 ammetersdifferent range, 2 battery eliminator, 3 daniell cell 1, 4 drawing board 2, 5 friction apparatus complete setwith weight box 0, 9, galvanometer 0, 1, 7 parallelogran apparatus 4, 8 key one way 5, 9 jackey pencil type 0, 10 two-way key 0, 11 laclanche cell 1, 12 meter bridge, 13 multimeter digital 1, 1, 14 multimeter manua 5, 15 magnetic compass, 16 optical bench 1 meter long, 17 prism indian glass, 18 potentiometer 1, 19 plier 2, 20 2, cutter 2, 21 screw driver, 22 scissor 4, 23 resistance box (different range 0.1 to 10 ohm), 1 to 10 ohms 1 to 100 ohms, 1, +1 to 1000 ohms 1 to 100000 ohms (each), 24 dry cell 10g (chargeable) 1, 25 dry cell charger 1, 26 helical spring apparatus with weights 0, 0, 27 rheosta!, 28 resistance coll different range 1-5 ohms 0, 29 resonance apparatus 1, 30 spherometer 2, 31 screw gauge 2, 32 wooden scale (1-50 cm, 1-100 cm) 3, 33 stopwatch 0, 34 sonometer, 35 sprit level 4, 36 thermometer 5, 37 tuning fork (250 hz 480 hz and 512 hz) withpad 0, 38 vernier calliper 0, 39 voitmeter (different range) 2, 40 beakers 0, 41 connecting wires 0.250, 42 charts for display (bio visuals 2, 43 portraits (as per choice) 0, 44 concave mirror 6, 6, 45 convex mirror 6, 46 convex lens 6, 47 concave lens, 48 wedge knife edge (for sonometer) 3, 49 glass slab 3, 3, 50 pendulum box, 51 cork rubber 1.5 inches 1, 1, 52 hangerweights 500gm, 53 insulated copper wire 0.250, 54 meter tape (1-100 meter) 3, 55 soldering iron 1, 56 spring balance (0.250gm) 0, 5, 57 u-shaped magnet, 58 copper calorimeter 0, 1, 60 newton's disc 1, 61 telescope , 63 barometer tube, 64 lactometer 0, 66 electric bell 0, 68 binoculars 1, 0, 69 soldering rods, 70 p-n junction diode set up 0, 0, 72 balance, 73 boyle's law apparatus 0, 74 fortnis barometer 0, 75 metallic cylinders, 0, 76 metal sphere, 77 sg bottles, 0, 0, 79 young's modulus, 80 spectrometer, 81 hydrometer, 1, 1, 2, 82 spirit level , 83 potentiometer 1, 85 gold leaf electroscop 1, 86 tuning fork 0, b) list of non-consumable items (for a batch of, 40 students at any given time), 1 ammonium chloride 0.500, 2 all pins 1.5" 2, 3 copper sulphate 0.250, 4 drawing pins 5, 5 thread rolls 2, b) biology lab items: - 1 beaker 100ml/250ml/500ml, 2 chart stand, 3 conical flask, 4 digital balance, 5 dropping bottle, 6 froceps, 7 funnel, 8 glass showcase, 9 heater, 1, 0, 0, 0, 0, 1, 1, 10 hot plate, 11 human skeleton (artificial), 12 leaf clamp apparatus, 13 measuring cylinder 50ml/100ml/250ml, 14 micro viewers, 15 microscope compouup 1, 16 microscope dissecting 1, 17 morter and pestle 2, 18 petri dish 2, 19 pipette (graduated 10ml) 2, 20 reagent bottle 1, 21 skeleton (joints) 1, 22 slide box 2, 23 test tube holders 0, 24 test tube stand 0, 25 watch glass 0, 26 water bath 0, 27 wash bottle 0, 28 white cavity tiles 1, 29 pipette stand 1, 30 0, all pins, 31 burette (50ml) 2, 32 burette 50ml 2, 33 perforated beaker 2, 34 capillary tube 4, 35 test tube holders 10, 36 tripod stand , 37 thenmometer 2, 38 trough 2, 39 wire gauge 5, 40 burette stand 3, 41 blade for section cutting 5, 42 chart display stand 1, 43 enamel tray 3, 44 laboratory coat 2, 45 soissors 4" 4, 46 soissors 6" 3, 47 scalpel, 48 staninig rack, list of non-consumable items for biology lab-1, 1, digital balance 1, pigeon, rat, scoliosis, starfish, frog, and, izard camel, and, 1, cockroach, mendels inheritance, and the life cycle of, mosquitothe, 1, racemose inflorescence, cymose, inflorescence., 1, modifications of roots and stem 1, posters /portraits of scientists 1, models 1, 2 -claws and beaks, forelimbs modifications,, brain, ear, and eye, 1, human torso model, and human skeleton, model, 1, root nodules of leguminous plants 1, cuscuta on host, lichens, hornologous and, analogous organs., slide permanent, 3 asexual reproduction, plant tissues,animal, tissues, 1, stages of mitosis

State Government

CTN :40770294

21 Jul, 2025 NA

Bangalore - Karnataka

Tender For corrigendum : supply of customised infrastructure items - single cot , rubberised coir quilted cloth mattresses , pillow , reading table , study chair , triple unit almiarh , steel almirah plain , steel rack , 6 seater dining table , steel almirah with glass doors , writing pad chair , wooden podium , student desk , lab revolving stool , laboratory ss storage unit , laboratory work bench , modular laboratory wall bench , steel filing cabinet 4 drawer , executive table , high back revolving chair with headrest , grid ceiling for laboratory , aluminium partition , steel book case with glass door , medium back chair , meeting visitors chair , executive table with side table , wooden display magzine stand , reading table for library , computer table , three seater waiting chair , three seater sofa , two seater sofa , plastic chair

CTN :41026425

31 Jul, 2025 NA

Mahbubnagar - Telangana

Tender For supply of laboratory work bench

CTN :40978246

28 Jul, 2025 NA

Ahmedabad - Gujarat

Tender For supply of consumables for laboratory : - bottom connector for ea 18x2x1 mm , valco bulkhead connector , bush ceramic id 2.1 lg 3 , capillary fused silica 0.18_0.27 , ceramics column , spacer ring , spacer 24.8 x 21 x 1 ceramic , spacer 24 8 x 21 x 2 quartz , spacer 24.8 x 21 x 4 quartz , spacer tube od5x3.2x1.5l , capillary.fused silica id 0.32 , gasket fibre 8 x 5 , slit-0.2 source tantal , compressed air service unit , measurement needle gas bench , membrane complete , microspatula , nafion tubing f. gas dryer , pressure spring , connector m5 for tube , seal type 292.3406 , set dichtungsringe

corporations/Associations/Others

CTN :40922324

28 Jul, 2025 60.00 Lacs

Kamrup - Assam

Tender For supply of constant temperature water bath , urinometer , centrifuge clinical , ph meters digital , bottle dispensers , unichannel micropipettes , glucometer with strips , thermometers , pcr workstation , thermocycler pcr , abg machine , paper chromatography , chromatography , gel electrophoresis unit , paper electrophoresis , densitometer , vortex mixture , incubator , laminar air flow , digital analytical balance , balance micro , spectrophotometer , elisa plate reader , elisa plate washer , hot air oven , refrigerator , digital photocolorimeter , semi auto analyser , student microscope , ise analyser , measuring cylinder , fixed volume pipettes , reagent bottle , gooch crucibles , burette borosilicate , round bottom flask , test tube , multi channel pipette

CTN :40912180

24 Jul, 2025 9.79 Crore

Nagpur - Maharashtra

Tender For establishment of integrated analytical laboratory for demil plant - hot air oven, magnetic stirrer, heating cooling circulator, rotary evaporator with chiller and vacuum pump, ultrasonic cleaner, high speed orbital shaker, vacuum pump, peristaltic pump, benchtop ph meter with orp electrode & necessary buffers, electrode storage solution & electrode cleaning solution, dissolved oxygen meter, turbidity meter, bench top multi-parameter tester (conductivity, tds, salinity, ph), bod incubator, cod digestor system, vortex mixer, effluent sampling manifold (esm) with controlled cobustion chamber (ccc), analytical balance, laboratory balance, mini centrifuge machine, gyro shaker, melting point apparatus, electric bunsen burner, deep freezer, laboratory rrefrigerator, ultra-pure water purification system, muffle furnace, double distillation unit, probe sonicator, heating mantles, systematic design, partitions, equipment console with work and storage modules, chemical reagent console with work and storage modules, instrument console with work and storage modules, overhead storage console, extended office console, office console, file storage console, record management console, back positioning module, fire protection modules, fume closet, exhaust manifold, power reserve (40 kva), elemental (chnso)analyzer, inductively coupled plasma - mass spectrometer (icp-ms), microwave digestion system, amc cost for 1st year after expiry of warranty period, amc cost for 2nd year after expiry of warranty period, amc cost for 3rd year after expiry of warranty period

CTN :27720586

28 Jul, 2025 10.00 Lacs

Jaipur - Rajasthan

Tender For corrigendum : empanelment of vendors for supply of single phase meters with box, three phase meters with box, lttvm, httvm and net meters

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