Tender For providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - barc and lab; calibration of primary standards such as dead weight tester, multifunction calibrator, precision multimeter, standard platinum resistance thermometer sprt ..
Tender For corrigendum : e-tender for supply, repairing & re-installation, testing and commissioning of public address/ sound system equipments in the b. g. lines auditorium situated at 7, d.h.road, kolkata-700027, during the year 2026-2027. - supply, repairing & re-installation, testing and commissioning of public address/ sound system equipments in the b. g. lines auditorium situated at 7, d.h.road, kolkata-700027, during the year 2026-2027., supply of 3pin quick detachable professional male type xlr connector., supply of 3pin quick detachable professional female type xlr connector., supply of 3pin quick detachable professional male type heavy duty metal xlr panel mount socket., supply of 3pin quick detachable professional femal type heavy duty metal xlr panel mount socket., supply of p-38 trs heavy duty metal type professional stereo connector., supply of heavy duty metal type professional rca connector., supply of 3 core double coated tind copper 14/0.2 atc pvc insulated screend with overall pvc sheathed low resistance, noise less heavy duty professional digital microphone signal cable., repairing & serviceing charges for 1 no. alto analog audio mixing console, repairing serviceing charges for 1 no. toa mixing amplifier., supply of anchone make 6a. piano key type switch., supply of anchore make 16a. 3pin top., s&f 20mm size pvc rigid conduit fr (precision make) on wall, ceiling with saddles and other accessories as required and mending good damages to building works., re-installation & commissioning charges for above mentions sound system., sound pressure level adjustment, testing of the entire system., shure mx 418 c electric condenser gooseneck microphone, 48 volt advance phantom power supply unit for electric condenser gooseneck microphone., sub total, gst 18%, lwc 1%
Tender For procurement of physics lab equipments - procurement of physics lab equipments, ic regulated battery eliminator ic regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., 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), potentiometer apparatus 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., 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, wheat stones 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., 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
Tender For supply of lab equipments and accessories - upgradation of laboratory equipment, pycnometer: (refer nit) capacity: 900 ml; material: glass body with rubber seal and screwed brass cone cap; conforming to is: 2720 (part 3) and is: 2386 (part 3); graduated with high precision; used for measuring and comparing densities or specific gravities of liquids and solids ( aggregates for concrete), including soil.; accuracy: 0.01 g/ml. supplied with brass cone and rubber seal. , field density kit (i): sand replacement method: as per the nit annexure enclosed., field density kit (ii): core cutter method: as per the nit annexure enclosed., electrical oven: as per the nit annexure enclosed., unconfined compression testing apparatus: as per the nit annexure enclosed., water bath: as per the nit annexure enclosed., constant head permeability test apparatus for soil &falling head permeability test apparatus for soil: as per the nit annexure enclosed.
Tender For providing of custom bid for services - servicing, stamping and calibration of mechanical weighingbalances listed at annexure a for first year,custom bid for services - servicing, stamping and calibration of electronicweighingbalances listed at annexure b for first year,custom bid for services - servicing, stamping and calibration of avery make weighingbalances listed at annexure c for first year,custom bid for services - servicing, stamping and calibration of weighing scales, weights etc having two years validity listed at annexure d for first year,custom bid for services - govt fees for stamping of all weighingbalances listed at annexures a, b, c and d for first year,custom bid for services - ta and da for weights and measurements department of govt of maharashtra for first year,custom bid for services - servicing, stamping and calibration of mechanical weighingbalances listed at annexure a for second year,custom bid for services - servicing, stamping and calibration of electronicweighingbalances listed at annexu
Tender For purchase of equipments for physics and chemistry lab for first year department - digital balance: load capacity: minimum 500 g readability: 0.01 glinearity: 0.02gdisplay: lcd/ledtare function: required top pan typepower supply: 220 240 v ac, 50 hz", galvonometer 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), decade resistance box resistance box 12 month warranty (dial type) -manganin coil- 2 dials, potentiometer apparatus 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., 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
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 electronicbalance /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
Tender For purchase of equipments ( s.no 1 to s.no 21 ) for physics department - purchase of equipments, joule calorimecopper 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 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 bhelspecification-sensitivity 0.143mm/v, voltmeterdc voltmeter; range 0 10 v, analog, ammeterdc (0 - 2 amp), parallelogram apparatusparallelogram law of forces apparatus fitted with stand, decade resistance box resistance box 12 monthwarranty (dial type) -manganincoil- 2 dials, 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), travelling mircroscopbranded travelling microscope 0-200 mm horizontal and 0-150 mmvertical measurement, potentiometerit 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 apparatusstokes apparatus with metre scale attached and long cylindrical glass jar, glass beads small size (1 box), screw gauge (0-15 mm), rheostathigh-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., deflection magnetometer apparatusdeflection magnetometerapparatus with compass boxand two short bar magnets, 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 bride 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., ohm s 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, 2ohm (2-set) wound on a woodenbobbin, boyle s law apparatusthe apparatus includes the quilltube, a retort stand, a clamp, anda mounted meter scale.quill tube specifications:length: approximately 50 cm.bore diameter: uniform bore,roughly 1 mm to 2 mm.construction: glass tube with oneend sealed. trapped substance: a mercurypellet (or thread) of length 10 to15 cm is introduced to enclose acolumn of air. mounting: attachedto a half-meter or meter scale., torsion pendulumtorsional pendulum metallic disc,symmetrical masses and pendulumstand, steel wire, compound bar pendulumone meter long iron strip wellpainted with holes at a distanceof every 5 cm and also with pairof brackets and a heavy basetable top stand with stop clock, 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. , meter bridgetype: 1 m length, with unif