Tender For supply of feeder contactor for net-1 & 2, current rating 200 amps, voltage rating 750v ac main pole: 4 nos., aux contact: 2no + 2nc, control voltage-380-415v ac with surge suppressor as per rdso specification no. rdso/pe/spec/ac/0184-2015 (rev-0) for switch board cabinet of lhb eog ac coaches. [ warranty period: 30 months after the date of delivery ]
Tender For supply of 200 va, 750/415v ac, i phase, type-ii dry type and air cooled control transformer and measuring voltage transformer for switch board cabinet of lhb eog ac coaches and power cars as per rdso spec no. rdso/pe/spec/ac/0203-2020(rev.0) or latest [ warranty period: 30 months after the date of delivery ] ]
Tender For purchase of equipments ( s.no 1 to s.no 5 ) for ece department - purchase of equipments, dso (digital storage oscilloscope) bandwidth: 50 100 mhz. sampling rate: 1 gs/s. channels: 2 (minimum). power supply: 100 240 v ac, 50 60 hz. automatic measurements: vpp, vavg, vrms, frequency, period, vmax, vmin, rise time, fall time, +width, width, +duty, duty, etc. horizontal scale: 5 ns/div 50 s/div or equivalent. vertical resolution: 8 bits (2 channelssimultaneously). vertical sensitivity: 1 mv/div 10 v/div (at input). waveform math: +, , , , invert, fft, etc. waveform storage: 16 waveforms or equivalent. communication interface: usb host and usb interface. display: 7-inch color display or equivalent. input impedance: 1 m 2% || 20 pf. accessories: 2 passive probes (1x/10x), 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., embedded trainer kit (using lpc 2148) cpu - lpc2148, core - 16/32 bit arm7tdmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm & watchdog two uarts (16c550), two i2c (400kb/s), two spi eight bit digital output, eight bit digital input,16x2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay& buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connector and usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board power cord, user manual, strain guage trainer kit 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. table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords and user manual., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection. sim card interface: supports gsm sim cards compatible with 2g /3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication,and communication functions. compatible with standard 6-pin / 8-pin sim cardsockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embeddedsystem interfacing. sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control.supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at commandsupport. iso/iec 7816 smart card communication support. sim communication command monitoring facility.hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/reception built-in keypad for standalone operation. lcd display module (128 64) for menu andstatus display. on-board microcontroller-bas
Tender For supply of feeder contactor for net-1 & 2, current rating 200 amps, voltage rating 750v ac main pole: 4 nos., aux contact: 2no + 2nc, control voltage-380-415v ac with surge suppressor as per rdsospecification no. rdso/pe/spec/ac/0184-2015 (rev-0) for switch board cabinet of lhb eog ac coaches. [ warranty period: 30 months after the date of delivery ] [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For supply of feeder-a & b (s2k1 & s2k3) control auxiliary contactor with 24v dc coil, auxiliary 2no. suitable for switch board cabinet for hog compliant lslrd coaches as per rdso specification no. rdso/pe/spec/tl/0195-2019 (rev.-0) or latest. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of hog a & b control auxiliary contactor (s2k8 & s2k9) with 24v dc coil, aux. 3no+ 4nc suitable for switch board cabinet of hog compliant lslrd coaches as per rdso specification no. rdso/pe/spec/tl/0195-2019 (rev.-0). make:-siemens,c&s electric,abb, l&t, and schneider only [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of insulation monitoring relay, 415v ac, 3phase, neutral isolated, voltage range 0-500v ac, insulation measuring range: 10 k ohm to 150 k ohm, control voltage: 24-240v ac/dc, and place of installation s1a7, as per rdso spec. no. rdso/pe/spec/ac/0184-2015 (rev.1) & bom lr. no. - el/7.1.108/mssbc dt. -17/09/2021 suitable for lhb type ac coaches switch board cabinet (s1a07). acceptable makes as per bom: abb cat.no.cm.iws.2s, schneider cat no. vigil ohm/imd-im10, siemens cat no.3ug4581-1aw31, dold cat no. il 5880.12, contrel cat no. ir 470ly-21a, ri-r138, woka or bender only acceptable as per above spec. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of customized premium antiterminate center table study table with powder coated metal base with rounded wood frame , customized wooden study chair with arms and soft cushion , customized single seater sofa with powder coated frame2 round pipe with soft leathrette fabric of approved fabric , customized single seater sofa with powder coated frame of 2 round pipe with soft leatherette fabric of approved fabric , customized high back study table with powder coated metal frame teak wood top polished with matt finish , customized high back stool with powder coated frame with soft cushioned with approved fabric , customized low back sitting bench with wooden frame with 6 sift cushion of soft leatherette , customized vertical library book self with wood glass door with profile light with locking , customized out door sitting bench without door marine teak wood with 2 way sitting arrangement with frame , customized out door garden table with table top glass top with powder caoted frame with indian wicker of approved colour , customized out door garden chair with with arms with powder coated frame , customized center pole water proof out door umbrella with marble base , customized side pole water proof umbrella with water proof marble bases , atmospheric wall mounted temperature unit with auto control sensor base accessories , led display board with neon letters with warm white light fixture , customized office working table with side pedestal unit with three drawer pedestal unit with table , installation of overhead speaker outdoor speaker without amplifier , customized curved shaped wooden counter with overhead display cabinet , water proof out door light fitting with installation for outdoor area for common lighting //bid details 2 / 22
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