Tender For the offered equipment is a fiber media converter, model gomc-bi3512-20 or equivalent , designed for conversion between 10/100/1000base-tx copper ethernet and 1000base-fx optical fiber networks. the converter supports ieee 802.3, ieee 802.3u, ieee 802.3ab and ieee 802.3z standards, ensuring compatibility with gigabit ethernet networking applications. it provides one rj45 copper port with auto-negotiation support for 10/100/1000 mbps data rates and one sc type bi-directional fiber port operating at tx 1310nm / rx 1550nm wavelength with transmission distance up to 20 km over single-mode optical fiber. the device supports full duplex flow control and half duplex back pressure for efficient data transmission. led indicators are provided for power, optical link/activity, full duplex status, twisted pair link/activity and transmission rate indication. the converter operates on dc 5v, 1a power supply with optional external or internal power supply configuration and power consumption less than 3w. it is designed to operate in environmental conditions ranging from -10?c to +55?c with storage temperature from -40?c to +85?c and relative humidity from 5% to 95% non-condensing. the unit dimensions are 94mm ? 70mm ? 26mm for external type and 140mm ? 110mm ? 30mm for internal type. the product is suitable for network communication, ftth/fttb/fttx applications, isp backhaul networking and subscriber end connectivity. the equipment complies withce, fcc and rohs certifications. [ warranty period: 36 months after the date of delivery ] ]
Tender For ece lab items dept use - eliminator transformer (step-down) kitinput - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, strain gauge trainer kitmetal foil strain gauge mounted on beam/cantilever strain measurement under applied load wheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltage zero and gain adjustment controlsprovision for applying calibrated loads regulated power supply, 230 v ac, 50 hz table-top trainer with labeled paneltest points to measure the signalsbuilt in power supplies and wooden closed cabinet supplied with patch cords and experiment manual, temperature measurement kitsensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc).display: 3 digit led/lcd digital display (typically 200mv fsd). temperature source: portable water kettle or heater block.signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation.test points: multiple 2mm/4mm banana sockets for monitoring input/output signals.power supply: 230v ac, 50hz, single-phase.accessories: includes a glass thermometer, ntc thermistor probe 10k, k-type thermocouple probe, patch cords, and instruction manual., sim reader trainer kitsim compatibility supports 2g 3g 4g lte sim cards,sim reader mode: reading writing gsm sim card data, imsi, ki codes, phonebook interface usb 2.0 or rs 232 serial port for pc communication.clock frequencies: selectable frequencies 3.579 mhz, 7.159 mhz, 14.318 mhz for sim card operation.power supply: onboard smps 12v 2a or 5v dc with overload protection. hardware components:6-pin or 8 pin sim card socket.led indicators for power, sim reset, and data activity.optional lcd 128x64 and keypad 20 keys for standalone operation. software tools support for at commands gsm etsi 07.0707.05, sim manager utilities, and data logger functionality. common trainer kit featuresfault simulation ability to create faults e.g., sim not detected, vcc failure for troubleshooting.test points: multiple test points e.g., 55 nos for observing signals sim rst, clk, i o via oscilloscope.construction tested glass epoxy pcb, often housed in a study educational case., dual output regulated dc variable power supplydual output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, lvdt sensor trainer kitac mains power supply : 230v 10%, 50hzfixed regulated dc power supply : +5v, 12v 500matransducer : lvdtlvdt displacement : 20mm (40mm total)displacement scale : linear 20mmdisplacement display (mm) : red color 3 digit led displayexcitation frequency : 4khzexcitation voltage : ac variable 5v, dc digital voltmeter - 3 digit led/lcd display, measurement range: 0 20 v dc, accuracy: class 0.5( 0.5 % full-scale), dc ammeter digital - 3 digit led/lcd display, measurement range: 0 5 a dc, accuracy: class 0.5 ( 0.5 % full-scale)
Tender For purchase of renewable energy practical equipments - equipments for renewable energy practices:, rc phase shift oscillator oscillator type: rc phase shift oscillator using transistor / op-amp configuration. input supply: 230 v / 50 hz ac with regulated internal dc supply. output frequency range: 100 hz 10 khz adjustable. output: sinusoidal waveform with adjustable amplitude up to 10 vpp. rc network: three-stage rc phase shift network with frequency control arrangement. cro test points: dedicated cro terminals at amplifier output, each rc stage, and final output for waveform and phase-shift observation. protection: over-voltage and short-circuit protection provided. indicators and controls: power on led indication with frequency and gain adjustment controls. accessories: patch cords, circuit diagram, strain guage characteristics kitac mains power supply: 230 v 10%, 50 hz metal foil strain gauge mounted on beam/cantilever. strain measurement under applied load. wheatstone bridge arrangement. signal conditioning and amplification circuit. instrumentation amplifiers with 3 digit display for strain / output voltage. zero and gain adjustment controls. provision for applying calibrated loads. table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords, load cell characteristics kit input supply: 230 v / 50 hz ac with regulated internal dc supply. sensor: strain gauge load cell with suitable mounting arrangement. load range: 0 10 kg. display: digital display for load/output indication. cro / test points: test points provided for observing bridge output, amplifier output, and signal conditioning stages. controls: zero adjustment and calibration controls provided. protection: overload and short-circuit protection provided. accessories: loading arrangement, connecting leads., measurement of tank level using rotometer input supply: 230 v / 50 hz ac with regulated internal dc supply. tank arrangement: transparent tank with 30 liters capacity with suitable supporting stand. rotameter range: 0 4000 l/hr calibrated rotameter. flow system: pump, control valves, and piping arrangement provided for continuous flow operation. measurement facility: provision for flow-based tank level measurement and observation. display / observation: calibrated level indication with flow monitoring arrangement. test points: output terminals provided for monitoring sensor/output signals. accessories: connecting tubes., measurement of tank level using displacer type level transmitter input supply: 230 v / 50 hz ac with regulated internal dc supply unit. measurement principle: buoyancy (archimedes principle) using displacer element. tank arrangement: transparent experimental tank with 30 liters capacity and suitable mounting stand. level range: suitable laboratory-scale level measurement (0 100% tank height). sensor system: displacer type level transmitter with continuous level output signal. display unit: digital indicator for level display in percentage / engineering units. output signals: standard analog output (4 20) ma / (0 10) v provided for monitoring. test points: provided for transmitter output, signal conditioning, and display unit verification. controls: zero and span calibration adjustment provided for setting level reference. protection: over-voltage and short-circuit protection for electronic modules. accessories: connecting cables, piping arrangement, loading medium (water), measurement of temperature using pt100 input supply: 230 v / 50 hz ac with regulated internal dc power supply unit. sensor: pt100 resistance temperature detector (rtd) probe with stainless steel sheath. measurement principle: resistance variation of platinum element with temperature. temperature range: 0 c to 150 c (or suitable laboratory range). display unit: digital temperature indicator with direct c display. accuracy: high accuracy with linearized rtd signal conditioning circuit. sign
Tender For purchase of lab equipments for res dept - purchase of lab equipments for res dept, rc phase shift oscillator (iemcode:o001)specifications: oscillator type: rc phase shift oscillator using transistor / op-amp configuration. input supply: 230 v / 50 hz ac with regulated internal dc supply. output frequency range: 100 hz 10 khz adjustable. output: sinusoidal waveform with adjustable amplitude up to 10 vpp. rc network: three-stage rc phase shift network with frequency control arrangement. cro test points: dedicated cro terminals at amplifier output, each rc stage, and final output for waveform and phase-shift observation. protection: over-voltage and short-circuit protection provided. indicators and controls: power on led indication with frequency and gain adjustment controls. accessories: patch cords, circuit diagram., strain guage characteristi cs kit(iemcode:o002)specifications: ac mains power supply: 230 v 10%, 50 hz metal foil strain gauge mounted on beam/cantilever. strain measurement under applied load. wheatstone bridge arrangement. signal conditioning and amplification circuit. instrumentation amplifiers with 3 digit display for strain / output voltage. zero and gain adjustment controls. provision for applying calibrated loads. no rs.10,000 2 table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords, load cell characteristi cs kit(item code: o003)specifications:input supply: 230 v / 50 hz ac with regulated internal dc supply. sensor: strain gauge load cell with suitable mounting arrangement. load range: 0 10 kg. display: digital display for load/output indication. cro / test points: test points provided for observing bridge output, amplifier output, and signal conditioning stages. controls: zero adjustment and calibration controls provided. protection: overload and short-circuit protection provided. accessories: loading arrangement, connecting leads., measurement of tank level using rotometer(item code: o004)specifications: input supply: 230 v / 50 hz ac withregulated internal dc supply. tank arrangement: transparent tank with 30 liters capacity with suitable supporting stand. rotameter range: 0 4000 l/hr calibrated rotameter. flow system: pump, control valves, and piping arrangement provided for continuous flow operation measurement facility: provision for flow-based tank level measurement and observation. display / observation: calibrated level indication with flow monitoring arrangement. test points: output terminals provided for monitoring sensor/output signals. accessories: connecting tubes., measurement of tank level using displacer type level transmitter(item code: o005)specifications: input supply: 230 v / 50 hz acwith regulated internal dcsupply unit. measurement principle:buoyancy(archimedesprinciple) using displacerelement tank arrangement: transparent experimental tank with 30 liters capacity and suitable mounting stand. level range: suitable laboratory-scale level measurement (0 100% tank height). sensor system: displacer type level transmitter with continuous level output signal. display unit: digital indicator for level display in percentage / engineering units. output signals: standard analog output (4 20) ma / (0 10) v provided for monitoring. test points: provided for transmitter output, signal conditioning, and display unit verification. controls: zero and span calibration adjustment provided for setting level reference. protection: over-voltage and short-circuit protection for electronic modules. accessories: connecting cables, piping arrangement, loading medium (water), measurement oftemperature using pt100(item code: o006a)specifications: input supply: 230 v / 50 hz ac with regulated internal dc power supply unit. sensor: pt100 resistance temperature detector (rtd) probe with stainless steel sheath measurement principle: resistance variation of platinum element with temperature. temperature range: 0 c to
Tender For distribution transformer of rating 500 kva, 11kv/415v-240v, 3-phase, 50hz, outdoor type, plinth mounted, the type of tap changer for variation of hv voltage from +5% to -15% in steps of 2.5%, energy efficiency level 3 or better, oil immersed, non-sealed type (transformer tank body and cover are bolted), copper wound, primary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled transformer, confirming to is 1180 (part 1): 2014with amendment nos. 1,2,3,4 or latest, and supplied with all standard fittings mentioned in clause 20.1 of is 1180 (part 1) latest with condition that drain-cum-sampling valve will be applicable for all capacity of transformers. oil temperature indicator & winding temperature indicators will be provided as per clause 20.2 of is 1180 (part 1). terminal agreement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall confirm to is/iec 60137. the low voltage bushings (4 nos.) shall confirm to is 7421. suitable cable-end box along with cable entry hole glands is to beprovided at l.t. side. following has to be submitted by supplier along with supply of material: (i) type test report of transformer having same rating, make (& model if any) and design from nabl accredited lab as per is 1180 (part 1) latest. (ii) routine test certificates as per is: 1180(part 1) latest. (iii) special test certificates as per clause 21.4 sl. no. (a), (c), (d), (e) of is: 1180 (part 1) latest. [ warranty period: 30 months after the date of delivery ]
Tender For rca for procurement of local purchase material required for operations and maintenance of equipmets of 33 11 kv ss under onm circle raisen - isolator pad clamp for raccoon & dog conductor, 33 kv bushing for ptr suitable for 20 mm stud (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), 11 kv bushing for ptr suitable for 20 mm stud (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), mog(megnetice oil level indicator model-so-6 150 mm suitable for conservator mounting horizontal alarm switch low oil level, mfm suitable for control panel of all makes, c&r panel indicators, expulsion fuse 20 a for capacitor bank ( for 100 kvar unit), expulsion fuse 40 a for capacitor bank ( for 200 kvar unit), brass stud 20 dia suitable for 33 kv bushing (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), brass stud 20 dia suitable for 11 kv bushing (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), winding temperature indicator (wti) , dial 150mm , with capilary, mercury swicth type, oil temperature indicator (oti) , dial 150mm , with capilary, mercury swicth type, tnc switch suitable for control panel of all makes, rubberized cork (gasket) strip size; 80 mmx10 mm, silica gel breather 3 kg casted acrylic plastic body with silica gel, silica gel blue, conical rubber washer for cts (size 12 mm), conical rubber washer for cts (size 16 mm), conical washer (19 mm), trip coil , shunt type 30 volt dc suitable for bhel make vcb specification 30 volt dc, resistance: 4.8 0.1 ohms, outer diameter 42 mm, inner diameter; 16mm (with brass tube) lenth- 93 mm, brass tube length: 98 mm, pluger length: 140 mm, copper wound and varnished with 0.5 meter insulated pvc 1.0 sqmm wire weight, coil: 505 gms, plunger: 126 gms, minimum overall weight of coil:965 gms., trip coil for essun make vcb, trip coil for megawin make vcb specification 30 volt dc, resistance: 4.8 0.1 ohms, outer diameter 42 mm, inner diameter; 16mm (with brass tube) lenth- 93 mm, brass tube length: 98 mm, pluger length: 140 mm, copper wound and varnished with 0.5 meter insulated pvc 1.0 sqmm wire weight, coil: 505 gms, plunger: 126 gms, minimum overall weight of coil:965 gms., auxiliary switch suitable for megawin make 11 kv vcb, auxiliary switch suitable for bhel make 11 kv vcb, bridge rectifier for battery charger., trip coil 30 volt dc suitable for stelmec with assembly, operating voltage: 3.5 0.1 ohm, closing coil with assembly for make stelmec 11kv vcb 30v dc,coil resistance 3.5 0.1 ohm, trip coil suitable for schneider make vcb with assembly 30 v dc,coil resistance 8.7 0.1ohm ,outer diameter 46mm,inner diameter 16mm,height 40mm,copper wound with 0.5meter insulated pvc 1.5sqmm.wire overall min.weight of coil 225gms., trip coil suitable for cgl make 11kv vcb with assembly 30 v dc,coil resistance 2.4 0.1ohm ,outer diameter 51mm,inner diameter 20mm,height 48mm,copper wound with 0.5meter insulated pvc 1.5sqmm.wire overall min.weight of coil 300gms., limit switch motor for 11kv & 33kv cgl vcb, trip coil with plunger for shreem make vcbs 30 v dc,coil resistance 3.9 0.1ohm ,outer diameter 51mm,inner diameter 26mm,height 51mm,copper wound with 0.5meter insulated pvc 1.5sqmm.wire overall min.weight of coil 395gms., 33 kv trip coil suitable for stelmec make vcb, auxiliary switch suitable for stelmec make vcbs, spring charging motor for bhel make vcb 230vac/220 dc/880 watt, 11kv vacuum interrupter suitable for stelmec vcbs model type/wl/34599m3+, spring charging motor suitable for stelmec make vcbs 220ac/dc 150 watts nl -rpm 10, spring charging motor suitable for crompton make vcb 220ac/dc 150 watts nl -rpm 10, trip coil 30 volt dc suitable for cg 33 kv vcb with assembly., big gear suitable for stelmec vcb, small gear for stelmec vcb, 11kv drive rod make magawin, 11kv drive rod make bhel, 11 kv insulating pull rod 11 kv bhel make vcb, single phase 500 watts hand drill machine bid dia size 2mm to 10mm, pg clamp
Tender For multiple media auto changeover converter-4 port, for simultaneously interconnectingdigital axle converter, ufsbi, block phone etc. across a block section/ ibs over multiple media. product has the following features: a)two 120 ohm e1 main links with rj45 connector, having(1+1) hot standby facility b)two optical main links with (1+1 hot standby dual core path and single core path) having20 km driving distance. c)four v.21n.23 (e&m) 2-wire/4-wire user interface with auto changeover to quad links in case of failure of all main links. each user port is configurable as 2w or 4w without any restriction. d)unit supports power off fail safe mechanism. in case the unit is switched off, all analog user devices are bypassed to the quad link automatically. - e)unit supports four numbers of potential free contacts which can be linked with data logger/rtu for e1 status, optical status & power supply status. f)unit supports front panel resettable audiblebuzzer in case ofmain link fails (optical or e1). g)unit suppqrts front panel led indicators for quad health status, e1 dual, optical dual path. h)uriit %b7 has dual hot standby dc power supply having 24vdc/48vdc i)unit is 1u height with 19 inch rack mountable-facility j)unit supports operating temperature from -5 degree celsius to +55 degree celsius. accepted make/brand:-cygnus or team-link or similar. make/brand- cygnus 845-4p or similar ( warranty period : upto 30 months from the date of supply) [ warranty period: 30 months after the date of delivery ] ]