40783815 tender for flood damage repair work at diversion of ibbr 42 at nagar steel bridge near bp. no. 357 / 1 s in the aor of kakarmani bop under bfsd kaliyaganj, bfd ii, ibbz i in the district of uttar dinajpur of west bengal sector during 2023 24....
40580258 extra ordinary repair of ibb road link road length 34.5 km and epoxy painting of steel bridges in various stretches of malda district of west bengal....
40282872 painting of steel bridge over khari river with allied works in between village bhanderdihi and village mamudpur under debogram section of d.c.no 1 sub division within d.c.division...
40244393 urgent flood protection and mitigation work for reducing vulnerability of people by clearing and removing of water hyacinth at temuhani steel bridge over old cossye river at mouza kismat kolerah block daspur i, dist. paschim medinipur...
40234883 tender for painting of steel bridge over khari river with allied works in between village bhanderdihi and village mamudpur under debogram section of d.c.no 1 sub division within d.c.division....
40168686 biennial rate contract ( brc ) ( partial ) for transportation of portable steel bridge materials by road from grse 61park unit, kolkata to various destinations in india bhutan and nepal and vice versa...
39956887 painting of steel bridge over khari river with allied works at vill bhanderdhi under debogram section of d.c.no 1 sub divisionwithin d.c.division. ( 2nd call ) ...
39909304 tender for painting of steel bridge over khari river with allied works at vill bhanderdhi under debogram section of d.c.no 1 sub division within d.c.division.(2nd call)...
39866372 construction of 14.0 m span steel bridge across rambi khola (river) connecting rungbee and ranju valley division under directorate of cinchona and other medicinal plants. construction of 14.0 m span steel bridge across rambi khola (river) connecting rungbee and ranju valley division under directorate of cinchona and other medicinal plants...
39753596 bids are invited for projects htw 100 x 50 bailey channel , ismc 125 x 65 channel , ismb 250 x 125 beam , 76 mm plate , 32 mm plate supply of raw steel sections for grse portable steel bridge total quantity : 1140...
39468173 tender for painting of steel bridge over khari river with allied works at vill bhanderdhi under debogram section of d.c.no 1 sub division within d.c.division....
39454875 painting of steel bridge over khari river with allied works at vill bhanderdhi under debogram section of d.c.no 1 sub division within d.c.division....
39364111 procurement of equipment, instrument, machineries, tools etc. related to laboratories procurement of equipment related to laboratories and workshops of mechanical electrical civil chemical engineering and science humanities departments of hooghly institute of technology hooghly strain gauge trainer kit gauge factor : 2.1 maximum bearable weight : 500 gm, cantilever material : stainless steel, bridge configuration : full bridge display : 3½ or 4 digit ledwith user manual 2 measurement of temperature using thermocouple, rtd, thermistor, ad950 transducers with electronic instrumentation transducers : thermocouple ( k type ) , thermocouple ( j type ) , thermistor ( ntc ) , rtd ( pt 100 ) , semiconductor sensor ( lm 335 ) and semiconductor sensor ( ad 590 ) with user manual 3 bourdon tube type pressure gauge bourdon tube type pressure gauge, pressure range upto 10, 000 psi, accuracy upto + / 0.25%, with pumping system 4 flow control system using mass flow meter, single loop controller and control valve set up should consist of mass flow meter, single loop controller, control valve ( glove ) , transmitter should be installed at the upstream of control valve, controlling facility by controller, continuous water recycling facility, table mounted set up preferable with user manual 5 a / d & d / a converter trainer kit analog to digital converter • 8 bit descrete adc • on board signal generator with adjustable amplitude levels • on board led bank to observe digital outputs • power supply : +5v, ±12v gnd • interconnection is provided by 2mm connectors • experimental manual digital to analog converter • 8 bit binary weighted resistors dac • 8 bit ladder type d to a converter • onboard switches are provided for digital pattern generation • 8 bit digital inputs ranges from 00 to ff • extensive experimental manual is provided with the kit 6 8051 based advanced microcontrollertrainer 8051 microcontroller trainer kit;based on intels 8051 microcontroller 12mhz with • on board power supply • rechargeable ni cd battery • ascii keyboard interface • programming interface with pc • compiler and cross assemblers for programming in c, • lcd display, 8051 usb programmer, 16*2 lcd, light sensor module ( ldr ) , tsop sensor module, 4*4 matrix keypad, aa 6 cell holder, burge strip f f connectors, • 32 k or higheruser ram. ( expandable ) • serial i / o through 8251 usart • parallel i / o lines available through two 8255 chips • 3 channels of 16 bit timer / counters from 8253. 8254 • adc & dac interface module • stepper motor interface • square, triangular, staircase wave generator interface module • dc voltage, current measurement interface module • zero crossing detectors interface module • users’ guide • cd required software, usb cable, microcontroller & its interfacing book with application projects, cd required software 7 microcontroller development kit 8051 development kit with accessories and software 8 solar photovoltaic cell characteristics trainer kit 12v solar module with suitable arrangement of halogen lamps 500w, digital dc voltmeter and ammeter, lux meter and variable resistive loadwith user manual 9 flux meter ( magnetic ) integrating type digital fluxmeter, with 3&half digit digital display, 4 ranges of measurements indicating flux values from 0.1 kmt ( kilo maxwell turns ) to 2*105 kmt 10 digital storage oscilloscope ( 70 mhz ) detailed technical specifications: a ) no. of channels : 2 or 4 b ) bandwidth : 70 mhz c ) maximum input : 400 v ( peak ) d ) sample rate : 2 gsa / sec e ) waveform update rate : 400 waveforms / sec f ) memory depth : 100 kpts standard ( upgradable ) g ) time base : 5nsec / div. to 50 sec. / div h ) waveform update rate: 50, 000 waveforms / sec i ) display : 8.5 inch colour wvga j ) trigger modes : force, edge, and video, pulse width. k ) built in interface : standard usb 2.0 high speed device 11 lcr q meter measuring inductance ( l ) , capacitance ( c ) , resistance ( r ) , quality factor ( q ) and dissipation factor ( d ) . with a basic accuracy of 0.25% and five digit display resolution. 12 diode and zener diode characteristics trainer a complete system to study the diode characteristics forward and reverse characteristics experiment can be performed on this trainer kit silicon, zener and germanium diode are provided with this system. inbuilt ammeter and voltmeter. digital display for displaying voltage and current. different test points with user manual 13 experimental kit for input / output characteristics of bjt one fixed 12v power supply, one variable constant voltage source and one constant current source for output characteristic of the transistor. three digital meters on the panel. one fixed frequency of 1khz with variable amplitude , bread board with user manual 14 training kit to study of opamp characteristics specification: 2 no. variable dc power supply 0 3v / 30ma, 1 no. fixed dc power supply 12v1 no. operational amplifier ic 741 & different types of resistance, capacitors and one potentiometer with user manual 15 training kit to study of universal logic gates & applications with power supply • on panel gates : 4 nand gates ( 7400 ) , 4 nor gates ( 7402 ) , 4 and gates ( 7408 ) , 4 or gates ( 7432 ) & 6 not gates ( 7404 ) • 5 nos of extra 18 pin ic base mounted on panel to use different ics • 5 logic input switches with led • 5 logic output led • on panel 5 sockets each for +5 v & gnd • required numbers of patch with user manual 16 training kit for study of kirchhoff’s current & voltage law equipped with necessary resistors, digital voltmeters, ammeter and inbuilt variable power supply 5v & 12v.on board test points to observe signals, on board schematic diagram, with user manual 17 analog wattmeter clear rectangular window with excellent visibility, knife edge pointer and anti parallax mirror. accuracy class ± 0.5% of full scale deflection. dynamometer type wattmeters i ) 5 10a, 150 300 600v, ii ) 10 20a, 150 300 600v. 18 series parallel resonance of r l c ckt kit for series parallel resonance of r l c ckt: the set up consist of power supply, audio oscillator with digital readout, digital rms meters and different number of inductors ( smoothly variable ) , capacitors, potentiometer, ammeter & voltmeters with user manual 19 power factor meter ( single phase ) clear rectangular window with excellent visibility, knife edge pointer and anti parallax mirror. accuracy class ± 0.5% of full scale deflection. power factor meter dynamometer type power factor meter , 1 phase , current coil range : 2.5 & 5.0 amps. ( dual range ) , pressure coil range: 150, 300 volts ( double range ) . 20 power supply:dc • 2x30v 3a, 5v 3a • constant voltage & constant current operation • digital displays for voltage & current • adjustable current limiter • protection against overload & short circuit 21 training kit for verification of a ) superposition theorem. b ) thevenin’s theorem. c ) norton’s theorem. d ) maximum power transfer theorem. two nos. variable dc power supply. two nos. resistive potentiometer ( pot ) . differnt values sets of resistances. digital dc voltmeter, dc ammeter, complete operating manual, connecting wires , patch cords, etc. 22 ac distributor simulator transmission line trainer consist of: 100 km x 3 phase tx line block at the end of each block short is possible all digital multifunctional meters at the sending & receiving end, loading provision for total 1kva – load of variable separate inductive, capacitive & resistive load bank. high quality patch cord and user manual. 23 lux meter sensitivity – 1 50, 000 lux error percentage + 5%, 4 ½ digit to 5 ½ digit detail operating manual also to be supplied 24 dielectric strength test setup for transformer oil transformer oil: breakdown voltage : 0 60kv, vertical panel mounted with voltmeter, glass cover encapsulated, test cup and gap measuring gauge with 10 liter of transformer oil 25 digital insulation tester , digital insulation tester: 500v, 200mohm, portable type 26 half wave & full wave bridge rectifier trainer kit, 1 / 2 wave, fullwave ( centre tapped & bridge ) with filter ckt with user manual 27 experimental kit for characteristics of zener diode, complete set should consist of all accessories to perform the experiment using a zener diode fitted on the printed boardwith user manual 28 experimental kit for input / output characteristics of bjt, transistor trainer kit consists of one fixed 12v power supply, variable constant voltage source and constant current source for output characteristic of the transistor.digital meters on the panelwith user manual 29 experimental setup for implementation of adder & subtractor, with adder ( half & full ) & subtractor ( half & full ) using basic gates. must have onboard input supply, display to show logic outputwith user manual 30 complete setup to implement encoder, decoder , multiplexer and de multiplexer with power supply, display unit, patch cords, necessary ic and manuals for each. 31 a / d & d / a converter trainer kit 8 bit with accessories and manual. 32 scr single phase half wave, full wave, fully controlled bridge rectifier / converter with in built meters and on board power supplywith user manual 33 training kit for study of vi characteristic of scr, igbt , with separate section for scr and igbt characteristics with in built meters and led indicationswith user manual 34 scr firing circuit, power requirement: 230 vac +10%, 50hzstandard accessories:6 volt / 1 / 4 w lamp, patch chords & instruction manual 35 training kit for study of vi characteristic of diac, with proper heat sink and training manual.consists of one no. diac with proper heat sink.all components should mount on a screen printed pcb fixed on acabinets 36 scr commutation circuit, scr commutation circuit commutation techniques used . i ) class a ii ) class b iii ) class c iv ) class d v ) class e vi ) class f • in built ic based dc regulated fixed power supply +12vdc & acwith user manual 37 electronic energy meter, a.c. single phase, 2 wire solid state ( static ) fully electronic energy meter, accuracy class 1.0 & current rating 5 30 amp. with backlit lcd display for 240 volt system fitted with pilfer proof meter box. 38 trainer kit for measurement of medium resistance by wheat stone bridgekit must have inbuilt power supply, measurement range 1 ohm – 100 ohm, having sensitive galvanometer with user manual 39 trainer kit for measurement of low resistance by kelvins double bridge, with power supply, range 1 microohm 1 kiloohm, having sensitive galvanometerwith user manual 40 earth tester, insulation reslstance test: more than 25 megohms at 500 v dc between electrical circuit & containing case, display: led or lcd. dual ranges: 0 10 1000 ohm ( b ) 0 5 500 ohm 41 trainer kit for measurement of inductance by anderson bridgekit must have built in power supply, inbuilt signal source, application bridge on screen printed front panel display, set of unknown inductance coil, variable resistance, set of capacitance, audio null detector, patch cords, connecting wires and head phone, complete operating manual. 42 trainer kit for measurement of capacitance by schering bridge kit must have input supply 50 hz sine wave, two ratio dial p & q, each having 1, 10, 100, 100 ohm coil, 3 decade dial, x 0.001 microfarad, 0.01 microfarad, 0.1 microfarad. having sensitive head phonewith user manual 43 tri vector meter 3ph 4 wire lt ct & 3ph 3 / 4 wire ht ct / pt operated fully static amr compatible tri vector energy meters dlms compliant – category c 44 trainer kit for measurement oflinear displacement bylinear variable differential transformer ( lvdt ) for linear displacement, type: spring loaded core type, configuration: axial type lvdt full, actual displacement: by micrometer arrangement pitch: 1 mm, circuit: ac excitation source, phase detector & digital display, excitation source: sine wave of 2 khz to 5 khz variable frequency and 0 to 5 or 12v variable amplitude, readout: digital display to measure 0 to + / 10 mm, indicating, displacement in millimeters with core in / out indicated by + sign, test points: instruction manual 45 measure pressure using pressure sensor kit.resistive pressure transducer with pressure of 0 300mm hg / 6psi, primary excitation voltage of 5v dc on board provided. on board 41 / 2 digital panel meter provided using ad7135. pressure generation and monitor using a pressure gauge. onboard instrumentation amplifier provided with user manual. 46 trainer kit for op amp as inverter, non inverting modefront panel built with high class insulated printed circuit board sheet with well printed circuits and symbols. fuse for short circuit protection. patch cords. the trainer is housed in abs plastic / wooden cabinet.size of the trainer set 12”x8”. instruction manual. 47 trainer kit for op amp as adder, differentiator and integrator instrument comprises of two dc regulated power supply 0 5v dc, ±15v dc, one meters to measure input and output voltage & combination of resistance, capacitors mounted on front panelwith user manual 48 convert digital data into analog data by using analog to digital converters and analog data into digital data by digital to analog converter glass epoxy smobc pcb, 8 no. of output led, wooden box, proper patch cord with user mannual.glass epoxy smobc pcb, 8 no. of output led, wooden / metal enclosure 49 simulate differential protection scheme for transformer with power system simulation kit 3 phase, 415v, 50hz, ac supply. control supply : 1 phase, 230v, 50hz, ac supply. short circuit protection : hrc fuses & mcb. 3 phase, 3kva, 415 / 240v, delta / star connected transformer with tapings primary : 0 10 20 100% secondary 0 10 20 100% on each phase of windings, natural air cooled. • protection cts : primary side cts 10 / 1a, 5 va, cl 1, wound primary typesecondary side cts 20 / 0.67a, 5va, wound primary type. • fault simulating switches : 32a, 2 pole, on / off rotary switches are provided for creating a ) line to ground fault, b ) line to line fault, c ) inter turn faultprotective relays. % differential relay static type with minimum basic setting biased feature 10%, 20%, 30%, 40%, 50% setting for current. ct rated 1a definite time over current relay • earth fault relay • aux. supply to relay : 110 / 220 v ac / dc educational bench model with schematic diagram of the test circuit printed on the model test points & measurement points brought out & connected to terminals, circuit setup for testing through interconnections of patch chords with user manual 50 d.c. compound motor ( open type ) 2 hp dc compound motor: 2h.p. 1500rpm, 230v, open type for assemble and dismantling of different parts of stator and rotor, commutator, brush etc. 51 d. c. shunt generator for o.c.c. test dc motor: 2hp, 1500 rpm., 220v dc generator: 1kw, 1500 rpm, 220v. necessary panel to set up with foundation, voltmeter:0 300v, ammeter: 0 5a, ammeter:0 1a, 4 point dc starter. 52 dc motor speed control system with power supply & motor motor 0.5 hp, variable dc ( 0 230v ) source, built in techogenerator, digital panel meter, power circuits of 4 scrs ( 1200v., 25 a ) i.e. half bridge, facilities of studying torque speed characteristics of dc motor, torque measurement, rpm indicatorwith user manual 53 swinburns test to compute efficiency of shunt generator, 1hp, 220v, 1500rpm d.c. motor: 2 hp, 230v, 1500rpm, shunt field. suitable panel withvoltmeter ( 0 300v ) , and ammeter: 0 1a, ammeter:0 5a with user manual & proper setup with foundation 54 determination of equivalent circuit parameters of a single phase transformer by o.c and s.c test transformer: 1 kva, 230 / 115v, variac: 0 270v, panel with voltmeter: ( 0 50v ) , voltmeter ( 0 300v ) , ammeter: 0 2a, ammeter:0 10a, wattmeter: 0 1200w. 55 compute the efficiency of a single phase transformer by back to back test complete set upwith user manual: ac power supply 0 230v at 4a ( optional ) • operated on mains power 230v, 50hz +10% digital / analog meters: • voltmeter 2 nos. ( for primary and secondary ) • ammeter 2nos. ( for primary and secondary ) • digital wattmeter 2nos. 56 parallel operation of two single phase transformers to determine the sharing of load current, apparent power and real power transformer ( 2 numbers ) : 1 kva, 230 / 115v, panel with voltmeter ( 0 300v / 150v ) , ammeter: 0 10a, variable resistive load 115v, 10a, single phase. 57 three phase transformer with provision for the connection in all vector groups ( stardelta, delta star etc ) 3 phase, 1kva, 415v / 230v, transformer with provision for the external connection terminals to perform all vector groups ( star delta, delta star etc. ) . 58 isolation transformer single phase, 1kva , 3phase , 415v / 230v isolation transformer with provision to show its function and testing of it. 59 tachometer for speed measurement digital photo tachometer • no contact rpm measurement, wide measuring range from 0.5 to 100, 000 rpm. , resolution: 0.1 rpm ( < 1000 rpm ) . • the last value can be stored into the memory automatically & be obtained by pressing memory call button with user manual 60 4 point starter for operational upto 7.5 hp dc motor, 230vdc. 61 ac variac ( closed type ) single phase 8a, 0 270v, rotary type 62 clip on meter clip on ( digital led display ) type meter suitable for measurement of ( i ) ac / dc current 5 / 10 / 50amp, with zero set button ( ii ) voltage:600vac / 500vdc, ( iii ) resistance: 0 10mohms. 63 the three phase squirrel cage induction motor setup with various starters complete panel with dol, star delta , auto transformer starter with 2hp , 3phase, 415v , 4pole, 1500rpm, squirrel cage induction motor with suitable foundation & user manual 64 three phase squirrel cage induction motor for direct load test to plot the various characteristics 2hp 3ph , 415v, 4pole , 1500rpm squirrel cage induction motor with necessary panel with meters , starter with suitable loading arrangements, proper foundation 65 three phase squirrel cage induction motor for no load and blocked rotor test 2hp 3ph , 415v, 4pole , 1500rpm squirrel cage induction motor with necessary panel with meters , starter with suitable loading arrangements, proper foundation 66 three phase squirrel cage induction motor for speed control applicable methods: i ) auto transformer, ii ) vvvf. specification: 2hp , 3hp , 415v, 4pole, 1500 rpm three phase squirrel cage induction motor with necessary panel meters and equipments. 67 three phase slip ring induction motor with necessary panel, proper base foundation to measure the open circuit voltage ratio of the three phase slip ring induction motor.specification: 2hp , 3ph , 415v, 4pole, 1500 rpm 68 three phase alternator for oc, sc and load test 3 kva, 415 v, 1500rpm, 3 ph, 50hz, alternator coupled with dc motor ( shunt ) 5hp, 220 v, 1500rpm, 4 point dc starter, 3 phase variable resistive load 220 ( l l ) , 15a per phase, with necessary panel, proper base foundation 69 squirrel cage 1 hp, 400v i / m & stroboscope to measure slip i ) 1hp, 415v, 3 ph, 50hz, 1440 rpm squirrel cage induction motor with loading arrangement. ii ) stroboscope for frequency 0 6khz. 70 three phase synchronous motor synchronous motor:3hp, 415v, 1500 rpm, excitor 220v, dc through slipring, dc shunt generator, 1.5kw, rpm, 230v dc, regulator control with necessary panel, proper base foundation 71 synchronization of 3 phase alternators by synchroscope & 3 lamp method synchronization of 3 phase alternators: 2 numbers of 3 kva, 415v, 1500rpm, 3 ph, 50hz, alternator coupled with 2 numbers of dc motors ( shunt ) 5hp, 230vdc, 1500rpm alongwith synchronisation panel with synchronoscope, 3 lamps ( with fuse ) for lamp method, ammeters & voltmeters for dc motors and alternator, digital frequency meter, digital rpm meter for dc motors, 4 point dc starters for both motors, 3 phase star connected variable resistive load, 4 pole mcb ( s ) & variable dc ( with 2 pole mcb ) field control for both alternators. the whole set up needs to be equiped with proper electrical protection, base foundation, connector cables, with user manual, 72 stepper motor controller trainer stepper motor controller trainer stepper motor : motor type :unipolar, torque : 6 kg cm phase current : 0.8 amp. , stepping angle : 1.8° / 0.9° operating voltage : 12 v dc input pulse : 5v ttl compatible, test points :20 gold plated with user manual 73 d.c. servometer speed control trainer kit kit for d.c. servometer speed control position control of a 12v, 1a d.c.gear motor ( 50 rpm ) provision for positive and negative tacho generator feedback tacho constant: 2v / 1000 rpm approximately calibrated dials for reference and output position: resolution 1° servo potentiometers with full 360°rotation microprocessor based waveform capture / display card built in 3½digit dvm for signal measurements built in step signal and ic regulated power supplies for electronic circuits separate unit for motor in a see through cabinet 220v±10%, 50hz mains operation with user manual 74 oil hydraulic circuit trainer unit: hydraulic circuit trainer unit consisting of standard components and accessories for carrying out the study of various hydraulic components and hydraulic circuits make: any nationally or internationally reputed brand with iso certified manufacturing company. brochure / catalogue showing make, model / model no. and also online link of brochure / catalogue should be mentioned along with delivery and maintenance kit & manuals 75 pneumatic trainer kit with compressor: unit is to be provided with standard mounting board ( modular type ) with all trainer kits. all the products are to be provided with suitable “one touch fittings / push in fittings”.make: any nationally or internationally reputed brand with iso certified manufacturing company. brochure / catalogue showing make , model / model no. and also online link of brochure / catalogue should be mentionedalong with delivery and maintenance kit & manuals. 2 hard copies of operation manual to be supplied; installation, demonstration and training of faculties are to be given. 76 air conditioning trainer : standard specifications to demonstrate the basic functioning of air conditioning. make: any nationally or internationally reputed brand with iso certified manufacturing company. brochure / catalogue showing make, model / model no. and also online link of brochure / catalogue should be mentioned along with delivery and maintenance kit & manual. 77 refrigeration trainer: standard specifications to demonstrate the basic functioning of vapour compression cycle. make: any nationally or internationally reputed brand with iso certified manufacturing company. brochure / catalogue showing make, model / model no. and also online link of brochure / catalogue should be mentioned along with delivery and maintenance kit & manuals. 78 plug gauge: plug gauge, dimension: 25.4 0.5 mm, make: any nationally or internationally reputed brand with iso certified manufacturing company. brochure / catalogue showing make, model / model no. and also online link of brochure / catalogue should be mentioned. 79 refrigerator 190 lit, direct cool single door refrigerator 80 analog rough balance 0 2 kg, pan shape rectangle weight display analog 81 analog rough balance 0 5 kg, pan shape rectangle weight display analog 82 borosil burette fitted with boroflow, 100ml 83 borosil burette fitted with boroflow, 50ml 84 borosil burette fitted with boroflow, 25 ml 85 borosil 3.3 glass beaker with graduation marks, 1000ml 86 borosil 3.3 glass beaker with graduation marks, 500ml 87 borosil 3.3 glass beaker with graduation marks, 250 ml 88 spylx burette stand with clampboss head and rod, burette stand with clampboss head and rod 89 transparent borosilicate glass volumetric flask, 250 ml 90 transparent borosilicate glassvolumetric flask, 500 ml 91 borosilglass rod , outer diameter: 7mm, length: 205 mm, material: polished 3.3 borosilicate glass 92 test tube holder, material: wrought iron, length: 200 mm, maximum opening: 20 to 25 mm 93 spherometer: minimum length of leg 25 millimeter, minimum diameter of leg 4 millimeter, pitch of the screw 1 millimeter, high grade tool steel 94 instrument to observe the effects of frictions using inclined plane: consisting of a wooden plane 90x18cm having adjustment for setting the required angle precisely complete with frictionless pulley linear and circular scale pan a wheeled trolley and a set of eight slide draws having bottom of different materials.base board very superior quality having thick teak wood base, fittedwith glass plate, complete with brass arc, leveling screws pan , pulley and iron n.p roller export quality. heavy pattern. 95 stainless steel led digital vernier calliper: mitutoyo, made in japan, length 6, vernier constant 0.01cm , made of stainless steel, measure internal, external and height dimensions , digital display 96 verification of kirchoffs law kit: type of on board meter available analog, number of potentiometers provided onboard to vary load resistance 1, number of variable dc power supply available on board 1, variable dc power supply 20v, number of led indicators available to indicate power input 1, availability of dc voltmeter available on board yes, range of dcvoltmeter 0 30volt, availability of dc ammeter on board yes, range of dc ammeter 0 50 ma, number of test points provided onboard to observe signals 14, necessary patch cords available for interconnection yes, casing material plastic. two round analog meters for voltage & current measurement, components are mounted behind the panel with printed circuit diagram, connections are brought with 4 mm banana sockets, instrument fitted in highly shockproof plastics box, 4 mm patch cords are provided with the trainer for interconnections, student instruction manual will be provided with the trainer kit, 97 instrument to verify inverse square law of radiation using photoelectric effect: type of display for on board measurement digital, availability of dc voltmeter on board yes, range of dc voltmeter 0 20volt, availability of dc ammeter on board yes, range of dc ammeter 0 100 ma, number of dc regulated power supply with short circuit and overload protection 2, voltage range of continously variable dc power supply 20 volt, number of potentiometers provided onboard 1, number of test points provided in the circuit to observe voltage and current signal 5, on board schematic diagram yes, casing material plastic, number of led indicators available to indicate power input 1, provision of on board knob for adjusting the voltage yes.wooden optical bench, photocell housed with red and black sockets, lamp house with lamps, dc microammeter. on board analog moving coil meters , galvanometer : 30 0 30, selenium photocell mounted in the metal box with metal base, lamp holder with 60 watt bulb with metal base, weight : 1.0kg approx.standard accessories : selenium photocell mounted in the metal box, wooden plank with half meter scale fitted on it, lamp holder with lamp, patch chords, instruction manual, 98 conversion of galvanometer into ammeter kit: type of on board meter available analog, number of potentiometers provided onboard to vary load resistance 1, number of variable dc power supply available on board 1, number of led indicators available to indicate power input 1, availability of dc voltmeter available on board yes, availability of dc ammeter on board yes, necessary patch cords available for interconnection yes, casing material plastic.instrument comprises of dc regulated power supply of 0 5v. three round moving coil meters ( one voltmeter, one milliammeter & one galvanometer ) . three shunts, three resistances are mounted on front panel. 99 conversion of galvanometer into voltmeter kit:type of on board meter available analog, number of potentiometers provided onboard to vary load resistance 1, number of variable dc power supply available on board 1, number of led indicators available to indicate power input 1, availability of dc voltmeter available on board yes, availability of dc ammeter on board yes, necessary patch cords available for interconnection yes, casing material plastic.instrument comprises of dc regulated power supply of 0 5v. three round moving coil meters ( one voltmeter, one milliammeter & one galvanometer ) . three shunts, three resistances are mounted on front panel. 100 ohms law kit: type of on board meter available analog, number of potentiometers provided onboard to vary load resistance 1, number of variable dc power supply available on board 1, variable dc power supply 5 volt, number of led indicators available to indicate power input 1, availability of dc voltmeter available on board yes, availability of dc ammeter on board yes, casing material plastic.ohms law app: to verify the ohms law: fitted with slidingrheostat.onedcvoltmeter, mo.65&onedcammetermo 65, mounted on the same base with terminals, 4 mm patch cords are provided with the trainer kit for interconnections 101 pn junction diode characteristics kit: compleate set with inbuilt power supply & with digital voltmeter & ammeter compatible for both forward & reverse bias 102 boyles law apparatus: burrete graduated in cc ( or ml ) with 1.0 cc / div. scale graduated on both sides ( left & right ) with same marking. both open and closed tubes can be slided up and down over aluminium rod. high quality synthetic tube ( 1.0 m long ) . one spare synthetic tube. ( withextra 500gm mercury ) . superiorquality, open&closedtypeonemeterlongteakwoodboard onheavy metal base fitted with leveling screws without mercury but complete with pressure rubber tubing & glass tubes, routinequality, doublerodwithopen& closedendtubes&pressuretubing. 103 instrument to determine the moment of inertia of a flywheel about its own axis of rotation: good quality stainless steel full setup.csi superiorquality flywheel with weights , comprising of carefully machined and balanced cast iron wheel and steel spindle is supported on ball bearings in strong iron brackets, thickness: 4.4 cm, diameter :20 cm, wall type with pointer, with revolution counter, set ofslotted weights for flywheel complete with weights cord and hook. 104 instrument for determination of spring constant of horizontal & vertical spiral spring setup: stand with heavy base, transparent scale with mm resolution, horizontal support for spring, brightly colored stretch indicator, three springs with identical diameter and length, but different spring constants, three of each spring included, for a total of nine springs: spring constants are 5 n / m, 8 n / m, 70 n / m.consisting of 45cm long mirrorscale, spring, slotted weights with hanger and pointer, complete on heavy tripod stand, on metal stand with mirror scale, superior on heavy base, about 50 cm high for taking more readings, complete with weights, helical spring: light spiral spring with pointer, easy to work with 50 gm.weight complete with hook for hanging 105 stainless steel led digital outside micrometer: mitutoyo: made in japan, 0.25mm 0.01mm, least count 0.01mm, made of stainless steel, digital display. 106 linear expansion coefficient apparatus: superiorquality , height 50 cm, with brass rod, stainlesssteel finish a 50 cm long expansion base with a built in dial gauge and thermistor.three metal tubes — brass, copper ( 99.5%cu, 0.5% te ) , and aluminum ( 98.9% al, 0.7% mg, 0.4% si ) : 6.4 mm outside diameter. a foam insulator to avoid heat loss at the thermistor connection point.thermoplastic elastometer tubing with 6.4 mm i.d.a source of steam or hot water, such as the pasco model td 8556a steam generator.a digital ohmmeter such as pasco model se9589 to measure the thermistor resistance. leads should have banana plug connectors, such as pasco model se 9750 or se 9751 patch cords 107 gclamp 4 inchirwin 4 inch / 100 mm record h / d g clamp t1204 108 post office box post office box of material brass and coil manganin, any nationally or internationally reputed brand with iso certified manufacturing 109 muffle furnace voltage ~230 v ac, insulating maximum temperatures 1000 c / 1200 c & working temperature 930 c / 1130 c controlled by digital temperature controller cum indicator 110 digital conductivity meter electrode : cell k = 1 – pvc sleeved power required: 230 v ac 10%, 50 hz, 5 va or 9 v battery standard conductance: conductance of 1.000 m stirrer speed: 200 rpm 111 redwood viscometer no.1 material stainless steel voltage 220 volt power source electric frequency 50 hz phase single phase accuracy + / 3 °c readability + / 0. 5 degree capacity 50 ml 112 flash point apparatus with stirrer voltage 115 v / 230 v, 50 hz / 60 hz measuring range up to 110 °c 113 daniel cell copper vessel complete with porous pot & zinc rod diameter ~ 3.5 4 inch 114 digital voltmeter voltage 50 500 v ac accuracy ±10% 115 arsenic detection kit reaction time: 10 minutes test type: test strip colour comparison results duration: rapid 116 digital ph meter resolution: 0.01 ph range: 0.0 to 14.0 ph temperature controller display 3 digit 117 cube mould ( 70.6 mm ) these are used for casting cement mortar test specimens for carrying out compressive strength test of cement as per is:516. these moulds are manufactured as per is specifications. the faces are machined flat within ±0.02 mm tolerance and the inside dimensions are accurate within ±0.2mm. each mould is supplied with a base plate. mould, steel, for 70.6mm cube as per is: 10080 1982 weight: must be 6.5 kg or more. should be isi mark. these cube moulds are made of steel. the tolerance between faces is maintained at ±0.1 mm and plainness is +0.03mm. cube moulds carry isi mark 118 digital rebound hammer with calibraton anvil ( for concrete compressive strength analysis in the field and material hardness testing. ) should come with rechargeable batteries including charger. capabality of on board data storage and transfer to a personal computer for further analysis. should conform to astm c 805, en 12 504 2, bs 1881 202 and other international standards. range:10 to 70n / mm2 impact energy: 2.207 n m additionally the following minimum specifications must be met. should features 16 character digital read out and provide automatic calculation of mean rebound number, compressive strength and the median. should come with rechargeable batteries including charger. capability of on board data storage and transfer to a personal computer for further analysis is required. the necessary software and the required cables for connecting to the computer should be provided. a calibration anvil should be provided 119 ductility testing apparatus: ductility testing machine is: 1208 1978 for determining the ductility of asphaltic bitumen, native asphalt, cut back bitumen and blown type bitumen. it consists of three mould assemblies on a base plate. a separate briquette mould ( total length 75 ± 0.5 mm, distance between clips 30 ± 0.3 mm, width at mount of slip 20 ± 0.2 mm, width at minimum cross section 10 ± 0.1 mm, thickness throughout 10 ± 0.1 mm ) for casting the specimens is also supplied. a water bath of 10 litres capacity with a perforated shelf not less than 50 mm from the bottom of bath and a thermostat controller for heater. the machine has two standard rates of travel of 1 cm / mnt and 5 cm / mnt. the movable bracket can be arrested or released without switching off the motor by a clutch arrangement. suitable for operation on 220v, 50 hz, single phase ac supply. 120 length gauge conforms to is:2386 ( part i ) used for determination of elongation index of aggregate. length gauge with isi certification mark is:2386 ( part i ) , it consists of a metal plate on which 8 steel pins are vertically mounted with specified distances in between. this assembly is mounted on a hardwood base 121 colorimeter ( digital ) : colorimeter, equipped with easy to use conventional style controls, making it ideal for routine and educational use. standard 10mm square cuvettes, semi micro volume cuvettes, flowthrough or pour in / suck out cells can all be used with the standard sample holder. wavelength range: 400 to 710nm wavelength selection :: 8 in built gelatin filters: 430, 470, 490, 520, 540, 580, 600 and 710nm measurement ranges:: 0 100%t, 0 1.50abs, 0.1 to 1000 concentration bandwidth:typically 40nm blank drift:: 2% / hr after 15 minute warm up photometric linearity :: 1%t light source :: tungsten filament lamp output:: analogue, 10mv per digit power: 230v, 50hz size ( l x w x d ) :: 300 x 355 x 120mm weight:: 3kg 122 cod test apparatus: cod test sample for dry bath heating. temperature 5+ 150 ◦c + / _ 1◦ c. digital controller with heating block. sample being digested within 2 hours with titration method bod bottle capacity : 300 ml b.o.d. incubators has been designed especially for biological oxygen demand determination & other applications like general incubators, serum studies & enzyme assays test. we can also customize the b.o.d. incubators to suit the varied requirement of the clients with in stipulated time frame. inner chamber made of s.s.304 & outer chamber made of m. s. powder coated full length inner acrylic door permit inspection of specimens without disturbing the tem. temp controlled by solid state digital controllers housing all the control with pt 100 sensor illumination light are provided for viewing with door limit switch. cfc free hermetically sealed compressor provide temp. for below ambient condition. air circulation fan for maintain temp. uniformity throughout the chamber. the chamber is provided with modular removable shelves made of s. s. for complete flexibility in use. to work on 230 volts 50 h2. 123 validation protocols : iq oq & pq documentation with calibration & tradability certificate of controller. safety features : built in temp deviation audio visual alarm, safety thermostat for overshoot temp. cut off system. hrc fuses for compressor heater & mains time daily circuit for safety of compressor. this b.o.d. incubator is available in below sizes: size= 6cu.ft inner dimension w x d x h = ( 50 x 50 x 70 ) cm capacity= 175 ltr no. of shelves= 2 124 colony counter: working temperature 5 to 50 ◦ c, 4 digit red led display, petridish holder, fluorescent lamp, zero reset button, dimension 30 ( w ) x33 ( d ) x10 ( h ) cm, net weight 6.5 kg. 125 digital nephelometer ( turbidity meter ) :conformance:: iso 7027 ( ir source ) epa 180.1 ( tungsten lamp ) measurement range:: auto ranging from 0 1000 ntu principle:: nephelometric non ratio accuracy:: + / 2% of reading plus 0.01 ntu resolution:: 0.01 ntu ( 0 9.9 ntu ) , 0.1 ntu ( 10 99 ntu ) , 1 ntu ( 100 1000ntu ) . response time: < 6 sec display:lcd , 3 digit light source: tungsten filament or ir led ( 860nm ) power supply: 120 240 volts ac sample cells: 30 m shipping dimensions :: 27.3x25.4x9.5cm ( 10.7 x 10 x 3.75 ) shipping weight:: 1.92 kg ( 2.9lbs ) 126 high volume air sampler: high volume sampler ( with gaseous attachment ) technical specifications :flow rate: 0 to 1.8 m3 / min free flowparticle size: particles 0 to100 microns & below collected on filter paper holder. spm bigger than 100 microns collected in a separate sampling bottle under the cyclone. sampling time: 24 hours... 127 low volume air sampler: state of the art microprocessor electronics flowrate and volume totalizations displayed are temperature and pressure ( 4 options available ) classical stp 0ºc, 760 mmhg normal t and p 20ºc, 760 mmhg modified normal t and p 21.1ºc, 760 mmhg standard ambient t and p 25ºc, 760 mmhg elapsed time meter auto zero calibration feature of flow sensor bright led display flow rate accuracy within ± 4% f.s. rs 232 communication port w / operator selectable download frequency for real time data auto shut off on time or volume 110 – 120 vac, 50 / 60hz; single phase 128 hydraulic bench: top tray: size 1000 x 700 x 100 mm ( approx ) water circulation: 1 hp pump. flow measurement: using measuring tank, capacity 40l. sump tank: capacity 100 ltrs. control panel comprises of: standard make on / off switch, mains indicator, etc the whole set up is well designed and arranged in a good quality painted structure 129 crushing value test apparatus: consists of m.s.cylindrical container 150 mm ±0.5mm dia x 130mm to 140mm high with base plate 200 to 230 mm. / sqr x 6mm thick. a plinger of 148mm ± 0.5mm dia x 100 to 115mm high. supplied complete with tamping rod, 16mm dia x 600mm long, one end rounded. and 1 no. metal measure 115 ± 0.5mm dia x 180 0.5mm high. consists of both end open cylinder, base plate, a plunger 130 digital ph meter: measuring range resolution accuracy ph range 0 to 14 ph ( min. ) 0.001 ph ± 0.002 ph mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2 rel. mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2 temperature mtc 10.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c temperature atc 5.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c temperature compensation :automatic and manual temperature compensation display : it should have thin film transistor ( tft ) display of more than 4 inch color ( blue / red / green / yellow ) display for better vision of readings with clear and well arranged icons of parameters like ph, temperature, mv, date & time etc. ingress protection level : it should be ip54 complied protection level. power requirements : it should be operable with 9 12v / 10w dc adapter....
39343883 expression of interest for verification of existing sub structure for 92.0m span steel bridge over dawai khola within gorubathan block, wbsrda, kalimpong division, gorkhaland territorial administration...
39081518 bids are invited for projects htw 100 x 50 bailey channel , ismc 125 x 65 channel , ismb 250 x 125 beam , 76 mm plate , 32 mm plate supply of raw steel sections for grse portable steel bridge total quantity : 1140...
38964246 biennial rate contract ( brc ) for transportation of portable steel bridges & bridge materials by road from grse ltd, ( dep ) ranchi to various destinations in india, nepal& bhutan and vice versa...
38636997 annual maintenance of pipeline and pipeline track from dhaula intake to 85 metre span steel bridge ( ch no of 0 92 ) including the maintenance of dhaula intake, dhaula v notch chamber for the period of 01.08.2023 to 31.07.2024. under nkwsmd, phe dte....
38636992 annual maintenance of pipeline and pipeline track from 85mts span steel bridge ( ch. no. 92 to ch no.178 towards lava for the period of 01.08.2023 to 31.07.2024. under nkwsmd, phe dte. kalimpong. sl no 4...
38261045 tender for painting of 69 nos steel bridge girders on the sections njp kdpr, kir mfa, kir jbn, kdpr mldt, sguj aub, kir kdpr & omlf bbce having approximate surface area 114259 sqm under the jurisdiction of sse / br / njp....
38260577 tender for ( a ) painting of 32 nos steel bridge girders on the sections njp noq, sguj apdj, njpsgut, nmz ncbd ncb & rqj hdb having approximate surface area 55953 sqm under the jurisdiction of sse / br / sguj. ( b ) lubrication of bearings of 15 nos of different steel bridge girders under the jurisdiction of sse / br / sguj and 14 nos of different steel bridge girders under the jurisdiction of sse / br / njp....
38234036 bids are invited for manufacturing of modular steel bridge decks gbb7210 , gbb7211 total quantity : 340...
38181849 bids are invited for manufacturing of modular steel bridge decks gbb7202 , gbb7203 total quantity : 325...
38136321 tender for zonal works for general repairs and maintenance of steel bridge works minor and major ( superstructure ) in suburban section all over sealdah division. [ zone no.38 for the period ending 30.06.2024 ] ...
37678256 installation of highmast light at kismat kalora steel bridge nandanpur i gp kismat kalora mouza daspur i ps ( jl no. 99, plotr no. 1099 ) area in the district of paschim medinipur. activity code 66449192 ( 15th cfc 2022 23 ) ...
37663339 expression of interest ( eoi ) for empanelment of reputed, experienced and credible steel bridge fabrication specialists...
37651551 supply and application of epoxy paint at the surface of steel bridge and m.s pipe line over it, at action area ib near bengal srachi building under new town kolkata water supply division i, p.h.e. dte....
37249952 maintenance of steel bridge at compound forest village under 45th constituency, gta....
37054525 construction of super structure and rectification of sub structures for 92.0m span steel bridge over dawai khola at gorubathan block, kalimpong disitrict under wbsrda, kalimpong division, gorkhaland territorial administration...
36994970 biennial rate contract ( brc ) for transportation of portable steel bridge materials by road from grse 61park unit, kolkata to various destinations in india, bhurtan & nepal and vice versa”to be executed as per scope of work...
36924779 surveying, planning, designing, construction and commissioning of pollution abatement work for bagjola canal by construction of interception and diversion ( i & d ) network for existing drain falling in the canal, laying of gravity sewer network and pumping main, construction of sewage pumping station and sewage treatment plant, construction of steel bridge, pipe crossing by hdd method ( trenchless technology ) with road restoration work up to wbm stage, bituminous road restoration work, concrete road restoration work and other infrastructural works i / c boundary wall, drainage system, site illumination etc within bidhannagar municipal corporation area including testing, commissioning cum trial run of the entire system for three months to achieve the desired objective and subsequently 5 ( five ) years operation and maintenance of entire project complete in all respect under amrut 2.0 program on turnkey basis...
36906001 tender for pillar carrying m.s. rising main with steel bridge of approximate 150.00 mtr. length near the electric crematorium at simulia, due to widening of nh 32 under purulia municipality...
36800083 maintenance of steel bridge at compound forest village under 45th constituency, gta....
36498017 tender for annual sweeping cleaning works of ultadanga durgapur bridge over kestopur khal and ultadanga steel bridge over beliaghata khal , ward no. 12 13 of kmc under the control of kalyani construction division , roads bridges , kmda....
36477481 annual sweeping cleaning works of ultadanga durgapur bridge over kestopur khal and ultadanga steel bridge over beliaghata khal , ward no. 12 13 of kmc under the control of kalyani construction division , roads bridges , kmda....
36448936 construction of superstructure and rectification of substructure of bridge construction of superstructure and rectification of substructures for 92m span steel bridge over dawaikhola at gorubathan block kalimpong disitrict under wbsrda kalimpong division gorkhaland territorial administration...
36411171 tender for emergent painting work of temporary diversion lalpole bridge (steel bridge) in between hwl to lwl at diamond harbour under diamond harbour division , p.w.d. in the dist. of south 24 parganas during the year 2022 2023....
36389141 supply and application of epoxy paint at the surface of steel bridge and m.s pipe line over it, at action area ib near bengal srachi building under new town kolkata water supply division i, p.h.e. dte. ( 2nd call ) ...
36359468 emergent painting work of temporary diversion lalpole bridge ( steel bridge ) in between hwl to lwl at diamond harbour under diamond harbour division...
36094557 tender for topographic & hydrographic survey of jamuna river from ch. 3.10 to 9.10 km (near deyara steel bridge to charghat rcc bridge) by using echo sounder instrument and d.g.p.s system (rtk method) within block & p.s swarupnagar, dist. north 24 parganas...
36094550 tender for topographic & hydrographic survey of jamuna river from ch. 0 to 3.00 km (near tipi park to deyara steel bridge) by using echo sounder instrument and d.g.p.s system (rtk method) within block & p.s swarupnagar, dist. north 24 parganas...
36086680 re construction of wooden steel bridge at kharika fakirchak in between mouza kharika and chaulkhola block and ps sabang and dist paschim medinipur...
36062855 repair, maintenance and minor civil works for the road in between palmajua steel bridge and kapasay tar under rammam hydel project, stage ii....
36061386 repair, maintenance and minor civil works for the road in between mung mung khola store and palmajua steel bridge under rammam hydel project, stage ii....
35997466 bids are invited for bridges ground erection of portable single lane steel bridges , maintenance of 320 feet span bsb ground erection and maintenance jobs of portable steel total quantity : 21...
35821043 emergent painting work of temporary diversion lalpole bridge ( steel bridge ) in between hwl to lwl at diamond harbou...
35713957 bids are invited for custom bid for services engagement of clearing and freight forwarding comprehensive service provider agent agency for export of fabricated modular steel bridge components approx 454 mt from grse 61 park kolkata to kolkata sea port through road kol.....
35689003 tender for repair & rehabilitation of steel bridge over river ichamati (rakhaldas setu) at km 53.53 on nh 112 (old nh 35) at boiigaon and repair & rehabilitation of steel bridge over river naobhasan (thakur haridas setu) at km 56.060 on nh 112 (old nh 35) at bongaon on item rate mode under annual plan2022 2023. ljob no. 1 l2lwb i 2022 23 i 4971...
35684979 repair rehabilitation of steel bridge over river ichamati rakhaldas setu at km 53.53 on nh 112 old nh 35 at bongaon and repair rehabilitation of steel bridge over river naobhasan thakur haridas setu at km 56.060 on nh 112 old nh 35 at bongaon...
35679858 supply and application of epoxy paint at the surface of steel bridge and exposed m.s pipe line over link canel at car parking area within action area ib under new town kolkata w / s division i, phe dte....
35679856 tender for supply and application of epoxy paint at the surface of steel bridge and m.s pipe line over it, at action area ib near bengal srachi building under new town kolkata water supply division i, p.h.e. dte....