Latest plug key Tenders | Government plug key Tenders

CTN :45475070

18 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For corrigendum : purchase of non-consumables for physics lab in basic engineering (first year) department - purchase, joule calorimeter - copper 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, ic regulated battery eliminator- ic regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometer- moving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivity 0.143mm/v, voltmeter- dc voltmeter; range 0 10 v, analog, ammeter- dc (0 - 2 amp), parallelogram apparatus- parallelogram law of forces apparatus fitted with stand, decade resistance box- resistance box 12 month warranty (dial type) -manganin coil- 2 dials, sonometer apparatus- sonometer 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), travelling microscope- branded travelling microscope 0 200 mm horizontal and 0-150 mm vertical measurement, potentiometer - it 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., viscosity apparatus stokes apparatus with metre scale attached and long cylindrical glass jar, glass beads small size (1 box), screw gauge (0-15 mm), rheostat - high-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., deflection magnetometer apparatus - deflection magnetometer apparatus with compass box and two short bar magnets, solar cell kit- the 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 kit- series 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 kit- 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), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, boyle s law apparatus - the 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., torsional pendulum - torsional pendulum metallic disc, symmetrical masses and pendulum stand, steel wire, compound bar pendulum- one 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, helical spring apparatus-- structure: 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 wei

CTN :45485999

23 Jun, 2026 NA

Dharmapuri - Tamil Nadu

Tender For purchase of lab equipments for physics department - item name, joule calorimetercopper vessel, battery eliminator 3a,(2,4,6,8,10,12v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, travelling micro scopeleast count- 0.01mm, magnification -10x, (eyepiece), vernier scale- 50 divisions, moment-fine and corse adjustment screws for horizontal and vertical axes, objective lens 75mm focal length, vertical travel range - 0 to 15cm, horizontal range - 0 to 15 cm, deflection magnetometor apparatustangent type magnetometer, circular non magnetic brass box, o to 90 degree on each side, 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, ohms law verification kitbattery eliminator -3a, (2,4,6,8,10,12v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a),

CTN :45430824

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

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)

CTN :45435036

10 Jun, 2026 NA

Tiruchirappalli - Tamil Nadu

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

corporations/Associations/Others

CTN :45451225

15 Jun, 2026 NA

Trivandrum - Kerala

Tender For auction sale of unserviceable broken spring leaves,unserviceable clutch disc,unserviceable axle shaft..,unserviceable engine block,unserviceable wheel disc,unserviceable gearbox case, t cover, fly wheel, side cover,etc,unserviceable fire extinguisher,unserviceable diesel tank & air tank,unserviceable frnt & rear brake drum.,unserviceable frnt & rear brake chambers,unserviceable armatures, rotor assys,starter bodies,etc,unserviceable electrical motor assy, ceiling fans, etc,unserviceable engine assy,unserviceable steel scrap: king pins, spring shackle pins,etc,unserviceable led destination pannel 6 feet,unserviceable led destination pannel 3 feet,unserviceable gear wheels, main shafts,counter shafts, etc,unserviceable bearings of all types withleeves, etc,unserviceable cylinder liners and broker liners.,unserviceable crown & pinion spares, etc,unserviceable items: head lights, rreflectors, switches, etc,unserviceable slackers, joint flangers, boot brackets,etc,unserviceable lowfloor volvo seat frames with cushions and without cushions,unserviceable rubber items: glass bedings and lock beedings, etc

Central Government/Public Sector

CTN :45431584

09 Jun, 2026 NA

Multi City - Gujarat

Tender For auction sale of depot ferrous scrap - 98050114 scrap release all types of railway ferrous material consisting of s&t, p way, works and ohe items c & w items- such as ms, gi, ci containing signalling units, rods, junction boxes, panels, ms gi structures, ladders, mast, rtu, cb, etc. and all other types of signaling items, gear case, the ground connection, ohe fitting, ms chains, heavy structure almirah/racks, rods angle, top housing, road bar, glude joint, ground connection channel, pipes, lc material, ladders, jali, spring plank, pantograph with or without pneumatic motor, gate, door, brake cylinder, tie bar, fencing, trolley, ms machines etc., tmt bars rods, pulley, rib cage, point machines without motors, wagon body cut piece bogies side frame, machines, sleeper, ms sheet, various types sleeper part, tie bar, fencing bars, i-beam, damaged empty drums, light fittings, rail & rail pieces, ms wires, junk light weight/corroded material consist of toughened sheets, m.s./gi sheets, grease seal, drum, wire, parts of rolling shutter, light weight cuttings, various damaged and rusty drums filled with coalter, dry paint, mud and dray fo if any of sort and sizes, g.i. buckets, steel buckets baskets, signal lamps, duct, vent pcs., fencing and pipes, wire mesh, stretcher, bicycle, pan, frames, electrical fittings, t.l. fittings, grill- jali, cabinet frames, rack ballast, rusted body and parts of weighing machine, electronic/electrical material, small rods angle, battery boxes, tool boxes, shovel, rail door handles, main door, foot plate, step plates, bench pipes, typewriter g.i. pipes, trolleys, water tank bond, location box with or without their component and wiring fittings, trolly, different type of ohe bonds of rail and other various ms fabricated structures, break load rings, pins, screw, bolts, spikes, keys, loco parts, stay rods, sleeve for centre pivot, pantograph parts, palm pull rods, lever, axle box housings, air motor, springs of pantograph, connecting rods, and other rods, rear cover of axle box housing, longer hanger, spare parts of spt machine, pipe fittings, end shield covers, break beam hangers, brake shoe, vertical lever, suspension levers, compressor spares, tension rods bushes, dash pots, ms& wi turning borings cut, collars, vehicle spares, ci items consisting of rusty and dusty drainage pipe, valve, meter, brake block, pulley, motors body, pipes, plates, d.v, vacuum cylinder chamber, pig irons pieces, signaling box ohe fittings, steel furniture consisting of chairs, tables, g.i. separation sheet, chair , stretcher, beds, ms rack, almira, other types of steel furniture of sorts and sizes, broken, damaged with or without wood, cushions, plastic, mica, foam seat attachment, parts brake liner, thrust bearing, spring, yoke, insulation block hangers, slides, locking rods, parts of point machine, a b cover, break head, cylinder head, pcs. of break beam, protective tubes, and other p-way fittings, coupler, knuckles, cp top/bottom, pu pad, narrow/wide jaw adapter, released bulk head components, wagon doors, cutting plate, and assorted cut pieces thereof, fabricated from irsm 44, etc. brake cylinder, cs & ci if any. valve, broken pcs. of bearings, inner and outer race of bearings, spares of break valve, trolley wheels, clamps, bmbc parts, pump shafts, impellers, tension device parts, fan armatures, chain sling, rev. center, hooks, spares of trucks, accessories of transformer, fish plates, hooks, silent blocks, cut pieces of plates, doors, angles, etc., all plastic items, rubber and wooden , fasteners such as bolts, nuts, and other related misc, etc., with or without, rail, of sorts and sizes with or without parts fittings and minor non-ferrous attachments, unserviceable. excluding items - railway track. remarks:the quantity estimation is based on visual observation and is indicative only. the lot has been prepared to clear the land before handing over the scrap yard for memu work. 2. loading will be allowed

CTN :45346458

10 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For corrigendum : supply of i year physics, chemistry lab items dept use - digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meter range 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., heating mantlecapacity: 500ml rating 200w with energy regulator, 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, hotplateplate size:25 x 30 cm (10 x 12 inch) with adjustable thermostate controlup to 350 degree temprature controlheating element: nichrome heating elementpower supply: 220 240 v ac, 50 hz, electric bunsen burnermaximum temperature up to 800 degree c, power supply 220 to 240 v, power 350 w, 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, 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, boyles 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., 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.

CTN :45386611

15 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For purchase of lab equipments for basic eng dept - purchase of lab equipments for baisc eng dept (physics and chemistry), digital balance itemcode: a001 weight 500g, accuracy 0.01g, top pan. tare function, caliberation- automatic external display type: led., joule s calorimeter itemcode: a005specifications:copper 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, ic regulated battery eliminator itemcode: a011specifications:ic regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometer itemcode: a012specifications:moving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivitysensitivity, voltmeter itemcode: a013specifications:dc voltmeter; range 0 10 v, analog., ammeter itemcode: a014specifications:dc (0 - 2 amp), decade resistance box itemcode: a016specifications:resistance box 12 month warranty (dial type) -manganin coil- 2 dials, sonometer apparatus itemcode: a017specifications:sonometer 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), travelling microscope itemcode: a018specifications:branded travelling microscope 0 200 mm horizontal and 0-150 mm vertical measurement, potentiometeritemcode: a019specifications:it 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., rheostat itemcode: a021specifications:high-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., deflection magnetometer apparatusitemcode: a022specifications:deflection magnetometer apparatus with compass box and two short bar magnets, digital electronic balance /analytical balanceitemcode: a001/a007specifictions:load capacity: minimum,500 g readability: 0.01 g,linearity: 0.02g,display: lcd/led,tare function: required,top pan typepower supply: 220 240 v,ac, 50 hz, digital tds meter itemcode: a002specifictions:measuring range: 0 9990,ppm resolution: 1 ppm,display: lcdautomatic temperaturecompensation (atc): requiredwaterproof: minimum ip67 protectionpower source: battery, operated (button cell/aaa, digital ph meter benchtop model itemcode: a003specifications:ph type microprocessor/microcontrolle r ph range: 0 14resolution: 0.01 ph,accuracy: 0.05 ph or better combined ph electrode with temperature sensor two or three-point calibrationfacility temperature compensation type automatic display: lcdpower supply: 220 240 v ac, 50 hz warranty minimum 1 year, laboratory heating mantle (knitted glass yarn) itemcode: a004specifications:capacity: 500ml,temperature range: ambient to 350 c energy regulator/control knob:required power supply: 220-240 v ac,50 hz, mortar with pestle itemcode: a006specifications:material: porcelain size: 100 150 mm inner diameter exterior: glazed grinding surface: unglazed, hot plate itemcode: a008specifcations:top plate material: cast iron plate size: minimum 8 inchdiameter power rating: 2000 w temperature range: ambient o 200 c minimum thermostatic temperaturecontrol: required power supply: 220 240 v ac, 50hz., electric bunsen burner itemcode: a009specifications:electrically operated energy regulator/ control knoboperating temperature 800 c body: stainless steel power supply source: corded electric, supplied with a heavy-duty, heat-resistant,earth-grounded, 3-pin power cord (minimum length 1.2 meters). power consumption: between 350 and 500w power supply: 220 -240 v ac, 50 hz, water distillation unit itemcode: a010specifications:output capacity: 4 litres per hour (lph) ph value: 5.5 to 7.0conductivity (raw water distillation):3.0 4.0 s/cm or less glassware material:borosilicate 3.3 glass (pyrex/duran

Central Government/Public Sector

CTN :45400838

11 Jun, 2026 NA

Multi City - Maharashtra

Tender For auction sale of depot miscellaneous scrap - scrap and unserviceable condemned traction motor armatures with or without shaft, head commutator and ring having non-ferrous attachment of sort and sizes. (qty approx.)

Central Government / Public Sector

CTN :45400999

09 Jun, 2026 NA

Multi City - Andhra Pradesh

Tender For auction sale of depot miscellaneous scrap - tm armatures : actual lot no-031126050057; pl no.98325012 (01); [hsn code: 85043300;gst@18% on fcm basis] cond and u/s scrap of of taochi armatures; 06no, . ( total weight : 4630 kg approx ) full or broken. with or without attachments. said to contain, copper : 750kg, laminated iron /core : 3211 kg, steel shaft : 660 kg ,insulation :9 kg approxiately location: opposite nf ward (images attached) .

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