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Tender For deposit-shabda surabhi smart class rooms-mynagappally gramapanchayat-supply and installation of electronic equipments for arranging sabda surabhi smart class rooms in 6 govt. lp schools at mynagappally gramapanchayat, kollam.-general electronics work - public address system, od156085/2025-2026:supply and installation of desktop paging microphone with multi tone chime having flexible 30 cm gooseneck, frequency response minimum 50-10,000hz, sensitivity 2.0mv/pa or better, low noise cable with phone plug, supplied with 2x1.5v(um-3) pencil cells, aluminum die cast top and special high reliability switches with integrated led indicator etc. 3 year warrantypreferred make- ahuja, bogen, bosch, studiomaster., od156086/2025-2026:supply and installation of wall mount compact, high fidelity speaker - having rated power 30watts (30w / 15w / 7.5w / 3.75w), frequency response - 100hz to 20khz, sensitivity - 88 3db (1w, 1m), 5 inch woofer and 1 inch tweeter etc. warranty-3 yearspreferred make - studiomaster, ahuja, dynatech or equivalent , od156212/2025-2026:supply and installation of professional 19 inch rack mounted pa amplifier having minimum 4 balanced mic/line inputs (combo jacks), 1 auxiliary input, bass/treble and master controls, low cut switch, led indicators for power on, signal and clip, pre out and amp in (send/return), auxiliary line out, 160w rms, at 1 percent threshold, operating on ac 220-240v, 50hz/dc 24v/ dc and having 50-15000 hz 3db , speaker outputs of 4, 8, 16 ohms at 70v and 100v, built-in mp3 player warranty. 3 years. preferred make- ahuja, studio master or equivalent , od156243/2025-2026:supply and installation of professional 19 inch rack mounted pa amplifier having minimum 3balanced mic/line inputs (combo jacks), 1 auxiliary input, bass/treble and master controls, low cut switch, led indicators for power on, signal and clip, pre out and amp in (send/return), auxiliary line out, 80w rms, at 1percent threshold, operating on ac 220-240v, 50hz/dc 24v/ dc and having 50-15000 hz 3db , speaker outputs of 4, 8, 16 ohms at 70v and 100v, built-in mp3 player warranty. 3 years. preferred make- ahuja, studio master or equivalent , od156348/2025-2026:supply and installation of 16 channel zone selector with provision for switching a 100v audio signal to one or more of up to 16 zones.1 x 100v input, 16 x 100v outputs, manually switchable, built in relay for all call. preferred make: ahuja or equivalent warranty 3 years., 1.17.2:supplying and drawing following sizes of frls pvc insulated copper conductor, single core cable in the existing surface / recessed steel/ pvc conduit as required.2 x 1.5 sq. mm, 1.21.1:supplying and fixing of following sizes of medium class pvc conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.20 mm, od158699/2025-2026:supply and installation of necessary electrical accessories for giving proper electrical power to the rack - warranty 3 years., od158700/2025-2026:supply and installation of wooden rack for placing amplifier, cordless receiver and mixer unit.
Tender For supply of water supply spares for maintenance of water supply section at smmkda, mm hills, hanur tq for the period of one year - hammer 20 pound, cast iron borewell cap 2 inch, ms 2 inch nrv , g i 1 1/2 inch screw type pipe nipple, gl 2 inch screw type pipe nipple, wall cutting blade 5 inch (pack of 12 nos), cutting blade 4 inch (pack of 12 nos), cutting machine, cpvc 2 inch float ball, flash out water gun, western closet with all fittings set, flash out western closet, cutting blade 5 inch, cutting blade 4inch , cutting mechine , cpvc union 1inch , cpvc union 3/4inch , bolt nut 1/2 inch , cpvc walbal 1 inch , gi union 1 inch , gi union 3/4inch , gi union 1 1/2inch , gi coller 2 x 1 1/2inch , gi colar 2inch x 1 inch , gi colar 1 1/2 x 1inch , cpvc bush 1 1/2 x 1inch , cpvc elbow 1 1/2inch , cpvc union 2inch , water tank 2000 l , submersible starter 7 5hp , flexible pipe 1 1/2inch , flexible pipe 2inch , cpvc gum 100 ml, c pvc brass elbow 1 1/2inch , cpvc brass tee 1 1/2inch , c pvc tee 1inch , g i tee 2inch , brass collar 3/4 x 1/2inch , cpvc brass tee 3/4 x 1/2inch , cpvc tfa 1inch , cpvc mta 1inch , cpvc fta 1 1/2inch , cpvc mta 1 1/2inch , cpvc fta 2inch , cpvc mta 2inch , hammering machine, hammering bit 1 5 feet, flush outer water tank, submersible cable (3 core) 2.5 sqmm , auto starter 5 hp (3 phase), submersible cable (3 core) 4 sqmm , open well submersible motor 1hp , open well submersible motor 5hp , cpvc brass elbow 3/4 x 1/2inch , cpvc brass elbow 1 x 1/2inch , cpvc bush 2 x 3/4inch , cpvc bush 2 x 1inch , cpvc bush 1 1/2 x 1inch , cpvc bush 1 1/2 x 3/4inch , cpvc bush 2 x 1 1/2inch , bush cpvc 1 x 3/4inch , c pvc elbow 1inch , c pvc collar 1inch , c pvc pipe 1inch , taplent tape, cpvc 1inch elbow, rinch 24inch , rinch 48inch , hammer 2 pound double head, rubber compound, axel blade, rinch 18inch , c pvc elbow 3/4inch , c pvc tee 3/4inch , c pvc tee 1 1/2inch , c pvc collar 3/4inch , c pvc collar 1 1/2inch , c pvc collar 2inch , c pvc pipe 3/4inch , c pvc pipe 1 1/2inch , c pvc pipe 2inch , pvc elbow 1 1/2inch , collar pvc 3/4inch , collar pvc 2inch , pvc pipe 3/4inch , pvc pipe 1 1/2inch, pvc pipe 2inch , heater connection pipe 2 feet 1/2inch , gate wall brass 2inch , long type steel tap 1/2inch , pressing steel tap 1/2inch , steel tap 1/2inch , iron tap 1/2inch , plug g i 1inch , plug g i 1/2inch , plug g i 3/4inch , elbow g i 2inch , elbow g i 1inch , elbow g i 3/4inch , union g i 2inch , tee g i 1inch , tee g i 3/4 inch, g i pipe 2inch , g i pipe 1inch , g i pipe 3/4inch , g i pipe 1/2inch , cpvc elbow 2inch , nylon hose pipe 3/4inch , rubber packing sheet, planz 1 1/2inch , planz 2inch , gi h nipple 2inch , wash basin longbody u shape top 1/2inch , wash basin rack bolt, cpvc tank nipple 1inch , huli 3/4inch , chana 3/4inch , hammer 5 pound, thread, axel frame, die set 1inch , die set 2inch , submersible pump v4 3 phase 5 hp 20 stage , submersible pump v4 3phase 3 hp 20 stage , top water teck plastic 1/2inch , cpvc gate wall 1inch , cpvc gate wall 3/4 inch , cpvc gate wall 1 1/2inch , cpvc gate wall 2inch , tank nipple 2inch , pvc gum 4inch , pvc tee 4inch , pvc elbow 4inch , pvc pipe 4inch , wash basin with padel stall, water tank 1000 ltr, d i gate wall 4inch , d i gate wall 6inch , bolt & nut 3/4inch x 5inch , bolt & nut 3/4inchx 3inch , glan bathi 2mm, lylon rope 26mm , rinch 10inch (make taparia ), heavy duty collar gi 2inch , wash basin tap 1/2 inch , ss gate wall 1/2inch, ss gate wall 3/4inch, ss gate wall 1 inch, ss gate wall 1 1/2inch, submersible motor 5 hp 12 stage , submersible motor 7 5 hp 20 stage , hdpc 2inch pipe (10 kgf), cpvc brass collar 1 x 1/2inch , steel nails 2inch , cpvc clamp 3/4 inch, g i r collar 3/4 x 1/2 , g i nipple 3/4inch , g i nipple 1/2inch , g i collar 1/2 x 3/4
Tender For annual contract for supply of electrical items for hornbill nest resort at sri vijaya puram and dolphin beach resort at swaraj dweep. - modular switch 6 a/10 amps, modular switch 16 amps, modular socket 5 pin 6 amps/10 amps, modular socket 6 x 16 amps, modular telephone jack 1 m, modular starter single phase 20 amps, hotel key fob switch 32 amps +key tag, modular fan regulator, multi plug conversion, led bulbs 7 w white/warm(thread type), led bulbs 7 w white/warm(pin type), capacitor oil 2.5 mfd, pvc wire multi stand copper 1.5 sq.mm.(2 core), pvc wire multi stand copper 2.5 sq.mm., pvc wire multi stand copper 4.00 sq.mm., pvc wire multi stand copper 6.00 sq.mm., mcb single pole 6 to 32 amps, isolator 4 pole 63a, isolator double pole 40 amps, mcb 4 pole 40 amps, pvc aluminum u.g. cable armod(25 x 4), pvc aluminum u.g. cable armod (50 x 3.5), pvc aluminum u.g. cable armod (120 x 3.5), u.g. cable 10 sqmm (2 core), dwc pipe 40mm, pvc pipe 25 mm mms, pvc pipe 20 mm mms, pvc bend/elbow 25 mm, pvc bend/elbow 20 mm, pvc t 25 mm, pvc t 20 mm, surplus box 2 m, surplus box 3 m, surplus box 4 m, surplus box 6 m, surplus box 8 m, surplus box 12 m, outer plate 2 m, outer plate 3 m, outer plate 4 m, outer plate 6 m, outer plate 8 m, outer plate 12 m, tube light 4 feet led fitting 20w, thermostat for geyser 25 a, thermostat for geyser 20 a, pvc channel 25 mm(2 mtr), led driver 3 watt to 10 watt, led driver 12 watt, led driver 18 watt, mirror tube 2 feet led fittings, insulation tape, calling bell, calling bell switch 6 amps 9 (modular type), bulb holder pin type, flood light 10 watt, green/white, flood light 30 watt, green/warm, flood light 100 watt, green/warm, led pannel fittings (round/square) 12w to 15w, led pannel fittings (round/square) 6w to 9w, led pannel fittings (round/square) 18w to 22w, spot light 3 watt (pin type/ceiling fitting), ceiling fan 1400mm, padestial fan heavy duty 450mm, exhaust fan plastic body 300/250 mm dia, plug top 20 amps., led pannel fittings 5 to 10 w, 2 way 6 amp switch (modular type), rope light adapter, syntex box 5" x 7", d.b box 4 way tpn, fuse wire 200 amps, modular calling bell, service wire 6 sq.mm, square box/junction box, celling rose, cut out 500 amps, rope light led (50 mtrs) warm/green, aluminium leg 10 sq. mm., aluminium leg 16 sq. mm., aluminium leg 25 sq. mm., aluminium leg 50 sq. mm., aluminium leg 90 sq. mm., aluminium leg 120 sq. mm., aluminium leg 150 sq. mm., street light led 50w warm, stabilizer 5 kva, postal lamp 20w led, model: posttop 20w, ref. no. lpth -20.ww, junction dummy plate 4" pvc, foot lamp 4 way led 5w/7w, modular dummy plate, panel mounted mccb 4 pole 250amps, 35 kva, panel mounted mccb 4 pole 160amps, 25 kva, panel mounted mccb 4 pole 100amps, 25 kva, panel mounted mccb 4 pole 80amps, 25 kva, panel mounted mccb 4 pole 63amps, 25 kva, mccb 4 pole 36 kva, 8kv, model: dn3 - 400d, panel mounted change over 400 a, postal lamp led driver 20 w (xitanium 20w, 0.7a 28v), cable tie 250mm, flexible hose pipe 20mm, 2 pin top male/female, cable clip (5mm/8mm/10mm/20mm/25mm), ms screw 25/7, wall grip/plug (1"), change over 63 amps, main switch tpn 63 amps, main switch tpn 100 amps, zero watt bulb led, speaker wire 2.5 sq.mm, postal lamp driver (sodql-54-700-40 watt), sign board driver waterproof led power supply (model no. mj-400-12rp), tv jack modular, plug top 3 pin 6 amps, multi core wire 10 sq.mm, 3 phase preventer voltage monitoring relay series s m 500 4 wire, aluminium leg 240 sq. mm., modular switch 20 amps two module, wall mount fan (plastic body) 450mm dia, exhaust fan (steel body) 450mm dia
Tender For supply of equipment items > - parallelogram law apparatusparallelogram law of forces apparatus fitted with stand, travelling microscopebranded travelling microscope 0-200 mm horizontal and 0-150 mm vertical measurement (two separate experiment), helical spring apparatusstructure: a rigid support mounted on a heavy metal base, typically cast iron, to ensure stability during tests. springs: high-tensile steel spiral springs, typically (approx 25 mm) diameter, (100 mm) long. measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement. loading mechanism: a, typically (50g), hook-attached weight hanger at the bottom. pointer: a fine pointer attached to the bottom of the spring moves along the scale. accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading., boyle s law apparatusthe apparatus includes the quill tube, a retort stand, a clamp, and a mounted meter scale. quill tube specifications: length: approximately 50 cm. bore diameter: uniform bore, roughly 1 mm to 2 mm. construction: glass tube with one end sealed. trapped substance: a mercury pellet (or thread) of length 10 to 15 cm is introduced to enclose a column of air. mounting: attached to a half-meter or meter scale., torsion pendulumtorsional pendulum metallic disc, symmetrical masses and pendulum stand, steel wire, compound bar pendulumone meter long iron strip well painted with holes at a distance of every 5 cm and also with pair of brackets and a heavy base table top stand with stop clock, viscosity apparatusstokes apparatus with metre scale attached and long cylindrical glass jar, glass beads small size (1 box), screw gauge (0-15 mm), sonometer apparatussonometer with meter scale attached along with knife edge, tuning forks set 256, 384, 512 ranges, hammer, slotted weight -500 gm each to a total of 3 kg. brass wire (5 m), metre bridgetype: 1 m length, with uniform wire (resistance wire) material: constantan or manganin (low temperature coefficient) scale: 0 100 cm, engraved or printedbase: wooden or metal, rigid, non-conductive supportjoints / terminals: brass or copper, fixed for connections2. galvanometertype: analog, moving coil or digital (for null detection) range: sensitive to detect micro-ampere currentsinternal resistance: high, typically ~100 or as specified5. cells / power supplytype: leclanch cells (1.5 v each) or dc power supplynumber: 2 4 cells in series (or supply ~3 6 v), ohms law verification kitbattery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, joule calorimeter apparatuscopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, potentiometer apparatusit features a 1-meter to 10-meter constantan/ manganin wire stretched on a wooden or sunmica baseboard with a millimeter scale. it includes 4mm brass terminals, a pencil jockey for contact, wire options (10 wires), and a typical resistance range of 10-20 ohms, ideal for high-precision voltage measurements., solar cell kitthe apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0-5v. light source is provided by led. the illumination intensity of the led can be controlled, deflection magnetometer apparatusdeflection magnetometer apparatus with compass box and two short bar magnets, ic regulated battery eliminatoric regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometermoving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivity 0.143mm/v, ammeterdc (0 -2 amp), voltmeterdc voltmeter; range 0 10 v, analog, decade resistance boxresistance box 12 month warranty (dial type) - mangani
Tender For supply of lab equipment - basic engineering lab materials, digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meterrange 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., digital ph meterph range o to 14, resolution 0.01 ph, digital display, joule calorimetercopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, mortar with pestleporcelain/agate,gazed exterior, unglazed grinding surface.item weight 2290 gramsitem diameter 4 inches, water distillation unitoutput capacity: 2 4 liters per hourmaterial: stainless steel boiler and condenserheater: built-in electric heating elementpower supply: 220 240 v ac, 50 hzcooling: water-cooled condensersafety: automatic low water cut-off, ic regulated battery eliminatoric regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometermoving coil type, 30-0-30 scale, sensitivity 20 a/div, resistance approx. 100 ohms., voltmeterdc voltmeter; range 0 10 v, analog , ammeter dc (0 - 2 amp), cdecade resistance box3 or 4 dials, range 0.1 to 100 or 1k , constantan/manganin wire coils., rheostathigh-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., solar cell kitthe apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0-5v. light source is provided by led. the illumination intensity of the led can be controlled, wheatstone bridge kitseries arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge., ohms law verification kitbattery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, meter bridgetype: 1 m length, with uniform wire (resistance wire)material: constantan or manganin (low temperature coefficient)scale: 0 100 cm, engraved or printedbase: wooden or metal, rigid, non-conductive supportjoints / terminals: brass or copper, fixed for connections2. galvanometertype: analog, moving coil or digital (for null detection)range: sensitive to detect micro-ampere currentsinternal resistance: high, typically ~100 or as specified5. cells / power supplytype: leclanch cells (1.5 v each) or dc power supplynumber: 2 4 cells in series (or supply ~3 6 v)
Tender For supply of eee lab items - furniture, 5hp/3.75kw/415v1500rpm three phase(3 )synchronous motor with starting / loading arrangement and with work bench voltage:415v ac/220v dc for field excitation make: benn rating: 5hp/ 3.75kw speed:1500rpm no of poles : 4 synchronous starter dc excitation field current :0.8a digital voltmeter ac(0-500v) moving iron type:01qty digital ammeter ac(0-20a) moving iron type :01qty digital ammeter dc(0-2a) moving coil type :01qty digital power factor meter 600v/10a :01qty 3pole mcb/dc mcb with 20a fuse carrier and supply indicators (three pin plug socket should also be provided) :03qty digital rpm indicator with proximity sensor: 01qty banana connectors for motor/starter/supply outputs :01qty control panel (hylem sheet(5*1.5feet) with ms panel) :01 work bench spec: size: 4feet*3feet*2 1/2 feet height leg teak wood with top 3/4" inch plywood 18mm plywood withone mica sheet for finishing front side cupboard with door open and closed type back side wiring box with door open and closed type, performance of ultrasonic and moisture sensors(5v dc/15ma(40khz/digital output) arduino uno: microcontroller-atmega328p on-board digital sensor components two push button switches and dour leds buck converter and relay for 5v and potentiometer-one each 2x16 liquid crystal oscillator(lcd) and mini bread-one each onboard digital sensor modules: ultrasonic sensor module(3cm-100cm) and soil moisture sensor -one each all sensor modules should be mounted on legend size pcb, speed control of ac motor using variable frequency drive(vfd) (0.5hp/415ac/5a(3 )) variable frequency driver (vfd) unit: input voltage:single phase, 230v ac +-10%, 50hz output voltage : three phase output frequency range: 0 to 60hz suitable for 0.75kw motor output current 4.2a vf pattern of spwm control 2pole mcb for on/off control of mains ac voltmeter, ammeter and speed indicator should be provided external stop/start and frequency control should be provided output terminals should be provided and must be brought out in front panel experimental board should be housed in a cabinet with suitable cover three phase induction motor motor type:squirrel cage |rating:0.5hp voltage rating :415v ac speed :1440rpm+-5% insulation : class b/f