Latest lab equipment spares Tenders | Government lab equipment spares Tenders

corporations/Associations/Others

CTN :45492320

29 Jun, 2026 23.31 Lacs

Sonbhadra - Uttar Pradesh

Tender For corrigendum : supply of vdc mv o p 4 20ma , digital energy meter connection 3 phase 3 wire ct ratio 10000 5 amp pt ratio 1575 kv 110 v50 hz acc class 2s make seccure apex 150 , transformer pt 415v 110v , portable digital megger test voltage , thermal o l relay mn2 4 2 to 7 5a , thermal o l relay 2 5 4 amp , dc clamp meter dc current 0 1a to 200a ac current 0 1a to 200a dc ac voltage 0 1v to 600v continuity data hold fa make motwane , control transformer t 1 input voltage 0 440v output s1 0 110 220 and s2 0 110 220 as per sample rating 50va , control transformer t 2 input voltage 0 440v output 0 18 24 as per sample rating 50va , heating element of esp hopper 0 5kw , transformer oil drum 210 lit , dehy breather for hvr transformer of esp , buchholz relay type gor 1 with alarm trip contact 1no plus 1nc , magnetic oil gauge with one tripping contact , prismatic oil level indicator size 150mmx60mm , glove valve size 25mm brass both side flange end , crc contact cleaner 300 ml cane , neoprene rubber sheet 1x2mtr thick 10mm , aluminium lugs 70sq mm als 226 e bolt hole 13mm make dowells , aluminium lugs 185 sq mm als 235 e bolt hole 17mm make dowells , aluminium lugs 120sq mm als 230 e bolt hole 13mm make dowells , aluminium ferrule 120sq mm make dowells , aluminium ferrule 150 sq mm make dowells , copper ferrule size 185 sq mm make dowells , copper ferrule size 120 sq mm make dowells , push button on off with element , hrc fuse3na 7805 orc 16 a make siemens , hrc fuse3na 7820 orc 32 a make siemens , mccbn 16r 150a 3p , ns type fuse 32 amp , ns type fuse6 amp , ns type fuse 25 amp , on delay timer 0 5 sec to 100 hours 24 240v ac dc , local remote switch 25a 440v brand kaycee siemens havell l t , voltmeter sel switchmodel srp1373way off , din type fuse rating 100 a , din type fuse rating 125 a , hrc fuse t a 32 rated for 32 amp code no sfb 8116032 , pin type insulator 0 4kv , petroleum jelly for battery , din type fuse hrc size 3 current rating 500 amp , rectifier fuses 150 amps semiconductor type , led indication lamp red yellow blue green 220v ac dc , dd module 236 amp 1000piv , dd module 260 amp 1600piv , dd module 70 amp 1000piv , mccb 150a 3 pole , motor cooling fan with cover for 2 2 kw gt cooling fan motor , control fuse ns type 2amp , control fuse ns type 4 amp , control fuse ns type 6 amp , din type hrc fuse 25a 415v ac size 00 , din type hrc fuse 32a 415v ac size 00 , din type hrc fuse 63a 415v ac size 00 , analogue ac voltmeter range 0 500v , analogue ac voltmeter range 0 500v ptr 415 110 v , analogue ac ammeter range 0 50 amp ctr 50 , dc voltmeter moving iron jewel bearing range accuracy , ammeter range 0 15amp ctr 15 1 , moving iron analog ac ampere meter ct ratio 400 5a d , d c ammeter moving coil range , ac ammeter range 0 25amp , aux contactor 2no plus2nc coil voltage 24v ac , aux contactor 3no plus1nc coil voltage 24v ac , switch disconnector fuse unit 2pole current carrying capacity 315 amp max operating voltage 600 v 50hz for one to one replacement , power contactor 3pole current carrying capacity 315amp max operating voltage 600v coil voltage 220 250vac 50hz dc for one to one replacement , local remote selector switch 10a model type 2s26b or equivalent for one to one replacement , ammeter rotary switch 12a r y b off 4 position 90 degree , voltmeter selector switch 12a ry yb br off , local remote selector switch 3 pole2 way without off 16 amp , tnc rotary switch 25amp spring return to neutral model type , switch //bid details 2 / 59 fuse unit 63a 3p , switch fuse unit 125a , thermal overload relay

CTN :45661153

07 Jul, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For 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) - manganin coil-2 dia

CTN :45675368

09 Jul, 2026 NA

Multi City - Jharkhand

Tender For auction sale of others - 01. aerial fuse 60 amp. 250v 117 nos. 02 fuse wire 36 swg. 1.85 kg. 03 aerial fuse 30 amp. 250v 320 nos. 04 ball bearing nbc-365 09 nos. 05 ball bearing nbc-320 04 nos. 06 rigid roller journal bearing 04 nos. 07 ball bearing nbc-340 01 nos. 08 ball bearing nbc-360 05 nos. 09 ball bearing nbc-7308 01 no. 10 thrust ball bearing ursr 7312 02 nos. 11 thrust ball bearing nbc-160, ursr 7212 03 nos. 12 single row angular ball bearing 01 nos. 13 ball bearing row double thrust 2309 23 nos. 14 ball bearing nbc-370 02 nos. 15 ball bearing double row 01 nos. 16 line shaft 1¿¿ dia 10¿ long 08 nos. 17 single row deep groove ball rms 18 01 nos. 18 intermediate bowl rubber bearing 08 nos. 19 pump shaft 8 stage 8¿¿ 02 nos. 20 semi open type impellar 01 nos. 21 tube tension plant for v.s pump 11 nos. 22 suction case bearing for v.s pump 05 nos. 23 shaft tube check nut 03 nos. 24 top adjusting nut. 06 nos. 25 ball bearing skf-7306 01 nos. 26 line shaft 1¿¿x10¿long 01 nos. 27 line shaft 1¿¿x5¿long 07 nos. 28 line shaft dia-10 feet long 07 nos. 29 special alloy cm6 bearing retiring assaly comp with rubber bearing 12 nos. 30 line shaft coupling 1¿¿ dia- 3¿¿ long 08 nos. 31 line shaft coupling 1¿¿ 08 nos. 32 line shaft coupling 1.25¿¿ dia 05 nos. 33 packing gland for garden reach 03 nos. 34 tube tension nut 02 nos. 35 discharge case plain bearing (bronze) 03 nos. 36 line shaft coupling pt no-10 07 nos. 37 outer column socket 06¿¿ and 8¿¿ 03 nos. 38 impeller shaft pressuring 07 nos. 39 discharge case screw bearing (bronze) 17 nos. 40 ball bearing skf-6209 01 nos. 41 line shaft sleever 12 nos. 42 discharge case bearing (bronze) 06 nos. 43 tube tension plate 05 nos 44 tubing adopter 04nos 45 tube supporter / spider rubber 06 nos 46 suction case for oil lub 02 nos 47 pump shaft for v.s.pump 01 nos 48 line shaft baring 08 nos 49 fired and moving contact 33 nos 50 bronze gland spare for h.s.pump 02 nos 51 consisting for starter 07 nos 52 no volt coil 14 nos 53 oil water separator for v.s.pump 03 nos 54 dwc split pipe 04 nos 55 male contact of lt obc 400 volt 03 phase 27 nos 56 cast iron bearing housing 6¿¿ leanth 4 ¿¿ dia 06 nos 57 gun metal neck ring 04 ¿¿ x ¿¿ for h.s.pump 07 nos 58 cast iron coupling 07¿¿ x 2¿ for h.s.pump 01 nos 59 gun metal neck ring 1.5 ¿¿ x 5¿ for h.s.pump 18 nos 60 gun metal gland bush 07¿¿ x 2.5¿ x 1¿¿ for h.s.pump 02 nos 61 gun metal neck ring 1.5 ¿¿ x 5.5¿ for v.s.pump 16 nos 62 g.m impeller 13¿¿dia for h.s.pump 03 nos 63 dial indicating type measuring am meter range- 0-50amp 06 nos 64 dial indicator type measuring range-0-20amp (am meter) 10 nos 65 line shaft screw bearing bronze for v.s.pump 03 nos 66 adjusting nut for oil lub for v.s.pump 06 nos 67 preventer single phase for electric starter 26 nos 68 packing ring for garden rich for v.t.pump 01 set 69 bowel bearing bronze for v.s.pump 04 nos 70 solenoid valve for gr for v.s.pump 01 nos 71 shaft sleeve bush id 38 mm or 46mm 01 nos 72 top shaft [ss] 7ft long 1.5¿¿ dia 01 nos 73 top shaft [bs] 1¿¿ for v.s.pump 01 nos 74 tube tension nut bearing bronze for v.s.pump 05 nos 75 copper contact 07 nos 76 inter mediate bowl rubber bearing 25 nos 77 am meter for starter 20 nos 78 8inc coupling suitable for 8¿¿x 10ft long column pipe 09 nos 79 retainer bearing [bri]with rubber bearing for v.t. pump 09 nos 80 line shaft coupling 1.5¿¿ dia. 18 nos. total ferrous - 270.96 kg

CTN :45633827

06 Jul, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of non consumable items for physics laboratory department of basic engineerin - purchase of physics laboratory equipment for basic engineering department, "digital balance weight 500g, accuracy 0.01g, top pan. tare function, caliberation- automatic external display type: led ", "joule’s calorimetercopper vessel, battery eliminator3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (02a), 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 0200 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 • stoke's 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, 0.5a5a, range 10ω–100ω. ", deflection magnetometer apparatus • to 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 05v. light source is provided by led. the illumination intensity of the led can be controlled ", wheatstone bridge kit ujt series arm: four decade dials in steps of thousands, hundreds, tens, & units of ohm's. 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, ohm's 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, "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, "meter bridge type: 1 m length, with uniform wire (resistance wire) material: constantan or manganin (low temperature coefficient) scale: 0–100 cm, engraved or printed base: wooden or metal, rigid, non-conductive support joints / terminals: brass or copper, fixed for connections 2. galvanometer type: analog, moving coil or digital (for null detection) range: sensitive to detect microampere currents internal resistance: high, typically ~100 ω or as specified 5. cells / power supply type: leclanché cells (1.5 v each) or dc power supply number: 2–4 cells in series (or supply ~3–6 v) "

State Government

CTN :45626266

29 Jun, 2026 11.59 Lacs

Belonia - Tripura

Tender For - r/ mtc. of rws/jjm schemes/ s.h.: providing & fitting fixing of electrical accessories, spare of panel board of different water supply schemes at different locations under hrishyamukh rd block under dws sub-division, belonia during the year 2026-27. - providing and fitting fixing of spare contact kits without coil (l & t make) for auto star delta starter., b) ml-2 type., c) ml-1.5 type., providing and fitting fixing of standard operating coil (l & t make) for auto star delta starter., b) ml-2 type., c) ml-1.5 type., supplying and fitting fixing of 4 pole ac control contactor (nhd series) suitable for bch made starter (standard coil voltages are 24, 110, 220/240 & 380/415 v, ac hz)., supplying and fitting fixing of 3 pole power contractor (type-mnx) suitable for 10 hp to 25 hp motor.mnx-25 (for l&t made starter), supplying and fitting fixing of pneumatic timer pn type delay relay-electro pneumatic) suitable for delay of time upto 30 sec. (bch made)., supplying and fitting fixing electronic timer type st-100 (l & t make) suitable for 240/300/415v, 50 hz having ranges for 3-30 secs/12-120 secs., supplying and fitting fixing of single phase preventer on delay 2 sec off delay 7 sec 65 vac asymmetry., providing & supplying of kit-kat rewireable porcelain fuse (cut-out) carrier & base of havells made (delux quality)., a) 63 amps/415 volt, b) 100 amps/415 volt, supplying and fitting fixing of 3 pole power contractor (type-ml) suitable for 10 hp to 25 hp motor.type ml-2 (for l&t make starter), supplying and fitting fixing of thermal timer type gt-200 (l & t make) suitable for 230/250v, 360v, 400/440v, 50 hz for 5-18 secs., supplying and fitting fixing of thermal overload relays mn2 type (directly operated& direct mounting on mnx 9-40 contactor) of l & t made. (suitable for ml/mnx type)., a) for relay range 9-15 a., b) for relay range 14-23 a., c) for relay range 20-33 a., supplying and fitting fixing of thermal overload relays (directly operated& direct mounting on ml-2/3 contactor) having relay range 9-14a/13-21a of l & t made. (suitable for ml-2/ml-3 type)., supplying and fitting fixing of citation-m overload relays (direct mounting with built in single phase protection) having relay range of bch made., a) for relay range 8.9-13.5 a., b) for relay range 13.2-30.00 a/17.4-24.00 a., c) for relay range 22.00-30.00 a., providing and fitting fixing of 6 feet x 4 feet x 1 inch (thickness) gamair wood/ plywood pannel board for fitting fixing of electrical items, in/c 2 nos ms angle post ( size 2 inch x 2 inch x 9 feet ), nuts & bolts etc. for irrection of the same by 1:1.5:3 cement concrete casting ( 1 feet x 1 feet x 2 feet) below the ground level and painting two or more coats & plastic paint as per specification and direction of the engineer-in-charge., providing and fitting fixing 3 phase indicating lamp fiited with panel board with three different colour lamps with batten holder complete as per specification and direction of the engineer-in-charge., providing and fitting fixing heavy duty box type (resin filled) power factor correction capacitor l & t make etc. complete as per specification and direction of the engineer-in-charge.i) 5-15 kvar 440 v, supplying isi marked/ taparia make tools for water supply scheme., i) sly wrench, ii) screw driver, iii. pipe wrench, iv. plier, v. hexo frame with blade, providing and fitting fixing of moving iron type, range 0-500 v, 96 mm x 96 mm size ac volt meter ( l & t / ae make) with selector switch as a electrical instrument of the pannel board as per specification and direction of the engineer-in-charge., providing and fitting fixing of moving iron type, range 0-100/0-200 amp, 96 mm x 96 mm size ac amps meter direct reading type ( l & t / ae make) with selector switch and ct coil as a electrical instrument of the pannel board as per specification and direction of the engineerin-charge., providing and fitting fixing stee

CTN :45617871

04 Jul, 2026 2.25 Lacs

Ghatampur - Uttar Pradesh

Tender For supply of crc 2 to26 tin , condensor , cotton tape , cable lug alluminium , alluminium lug 300sq mm , alluminium lug 400sq mm , copper lug , fibre glass tape , pendent holder , button holder , halogen tube holder , holder for st 200 watt , holder for st 500 watt , indicating lamp , pvc tape , tumblar switch , tumblar socket , ft switch 5amp , switch socket combind , three pin plug tap , tube stater , insulating varnish , thiner 234 elentas make , pvc wire , ws flaxible wire , pvc wire twin , push botton station , mushroom , push botton , selector switch , outo reset synchromous timer , timer et 100 0 to 30 sec , amp meter , contact fixed and moving , ct 50by5 , ct 100by5 , ct 150by5 , ct 200by5 , ct 300by5 , ct 400by5 , ct 600by5 , 3 pin plug top 5a , 5 pin socket 5a , corbon brush , on-off timer , corbon brush , glass sleeve , insulating bectal red , moving arching contact , fixed arching contact , tpn switch , fuse fitting , adjustable plastic fan , nichrome wire , brack thrystr , bare copper wire , indicating lamp holder , ab contact block three phase , no volt coil , glass sleev 4sqmm , glass sleeve 10sqmm , adjustable plastic cooling fan 1by2hp , adjustable plastic cooling fan 2hp , adjustable plastic cooling fan 5hp , digital meter 376 selec make , instantenous over voltage relay , brasso 90 100ml , mica paper , mica washer 7by8inch

Central Government/Public Sector

CTN :45549156

17 Jun, 2026 NA

Hosur - Tamil Nadu

Tender For supply of high rate discharge battery cell tester (i) range = 2.5 - 0 - 2.5, volts (ii) accuracy + 2.5% of f.s.d, (iii) permanent magnet moving coil type of dc volt meter with center zero scale of 60 divisions and external zero adjuster (iv) sensitivity 1000 ohms per volt. [ warranty period: 30 months after the date of delivery ] ]

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

Central Government/Public Sector

CTN :45479396

08 Jul, 2026 NA

Perambalur - Tamil Nadu

Tender For supply of set of moving coil meters for 3 phase locos comprising of 03 items / 12 nos. each set consists of 1. tractive / breaking effort meter bogie 1-2 to clw specification no. clw/es/3/0071 (alt-0 or latest) - 04 nos./set 2. catenary voltmeter to clw specification no. clw/es/3/0070 (alt-0 or latest) - 02 nos./set 3. battery voltmeter to clw specification no. clw/es/3/0073 (alt-0 or latest) - 02 nos./set [ warranty period: 30 months after the date of delivery ] ]

CTN :45338050

27 Jul, 2026 NA

Kharagpur - West Bengal

Tender For supply of k v meter self illuminated flush type moving coil ac voltmeter with inbuilt rectifier with metal clamp and shock proof rubber gasket to range 0-170 volts to be graph 0-30kv with suitable calibration as 140 v showing 25 kv. size:- 96 x 96 mm accuracy + 1.5% to is 1248/1968 or latest [ warranty period: 30 months after the date of delivery ] ]

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