Tender For providing of calibration services - medical; mass and volume, pressure and vacuum, force, speed & acceleration, voltage, current, power (ac/dc), frequency, power factor, phase angle, specific heat & humidity, temperature, pressure, medical device calibration; nab..
Tender For corrigendum : tender for supply of bulb 24v 40w b15 , bulb 40w , glass globe joint , o ring joint , bulb 115 60w b22 , bulb 24 v 40 w b15 , bulb 24 v 40 w b15 , bulb quartz iode 120v 250w , optical class , optical glass joint , pressure switch sensing element for fplm34dtxnsn , pressure switch sensing element for fplm34dkxsn , pressure switch sensing element for fpm34dqxnsn , temperature switch sensing elements for fcm34dgnsn , temperature sensor type pt 100b with ss316ti heath , configurable electronic module with pcb for emi protections , programmable temperature detector with 110mm probe length , temperature sensor assembly without electotronic module lm 176 , temperature sensor assembly without electotronic module lm 196 , flowrate signal processing unit amesys internation , typr 14p limit switch with a 20 m cable , 24 v aquacel type l37 reserve battery , pressure transmitter 0 15 bar absolute g 1 4 female , proximity detector neb 12 18mg50 e2 , remote thermometer 100mm type form 0 to 100 deg g full , thermometer 0100mm type a 0 to 100 degree c fcapillary k 2 m , manual call point , smoke detector , input module , limit switch contact , 1 0 m maximum height fresh water tank 1 level gauge , absolute pressure switch , conduct electrode h20 detect device al threaded coupling , differential pressure switch sensing element , electronic for fmb52 , electronic insert fel54 relays dpdt , level transmitter fmb52 , level transmitter fmb52 , position detector end valve fresh air pipe cm e 14 g21 3 , posn detector end vv air pipe cm e 14 g21 3 , pressure switch sensing element , pressure switch sensing element , pressure switch sensing element , pressure switch sensing element , pressure swith sensing element , pressure 60l alimentary quality balloon horiz or vert , dc dc converter , relay 2rt10a 28vcc , relay 4rt10a 28vcc , relay tpr2 28vcc , relay 6rt10a 28vcc , relay 6rt10a 28vcc , fuse series psc type 6 6 urd 30 tt f 0200 , cartridge fuse ha22 type 6 3 32 6 3 a , cartridge fuse ha22 type 6 3 32 1 6 a , monostable relay 10a 28vdc type 4 i 10 b1 p 28 , berard acturator oa8 115b 60 hz 3ph marline ral7038 , 115v 24 vdc converter , relay2rt 10a 28vdc suppressed device saphir code rel005appar , relay4 rt 2a 28vdc dc p
Tender For purchase of equipment for electronics and communication department - 100mhz/2 channel digital storage oscilloscope(dso), sample rate 1gsa/s, record length - 14mpts, wavwform capture rate-400,000 wfm/s, serial decode/trigger functions, advanced math operations-fft, d/dt, integrate, square root 38 parameters automatic measurements, 7 inch tft lcd display, newest generation of spo(super phosphor oscilloscope) technology support usb host, usb device (usb tmc), lan (vxi-11), gpib (optional), pass/fail, trigger out, impts, 500uv/div sensitivity, 2 channel 3mhz function generator with modulation, 3 mhz function generator with sine, square, triangle, ramp, pulse, ttl & dc, frequency range 0.3hz to 3mhz, amplitude and frequency display, internal and external modulation by any signal by am,fm,pwm,pam,fsk,ask, auto ranging 40mhz frequency counter, auxiliary generator with frequency 20hz-20khz, square wave rise time- better than 50ns, dual channel power supply 0-30v continuous variable regulated 30v-2a, 0 to +/- 15v-1a, 5v-5a multiple power supply, dc 0 to 30v/2a, 0 to +/- 15v/1a tracking, 4.5 to 5.5 / 5a digital display for voltage and current protection against overload and short circuit, adjustable current limiter, constant current & constant voltage, multimeter - digiital - dc voltage 1000v, ac voltage 1000v, dc accuracy +/- 1% +3 digit, current dc 10amp, ac 10 amp, dc accuracy +/- 1.5%+3 digit, ac accuracy +/- 1.5% +3 digit, resistance 40 mohm - resistance accuracy +/- 1.5% +3 digit, capacitance :1000uf; capacitance accuracy +/- 5% + 5 digit. cat iii 600v saftey rating, bigger display with bright white backlight. over voltage indicator, frequency and temperature measurements, voltage, resistance, continuity, capacitance measurements, input terminal for ac and dc current measurements upto 10a, diode test, data hold, min/max ammeter and voltmater included.
Tender For instant water heater (geyser) in capacity of 1 liter horizontal wall mounting. abs outer body,inner tank stainless steels power supply 230 volts ac, 50 hz, power consumption 3.0-4.5 kw. length of flexible cable two meter with 3 pin plugs of 16 amps. safety features heating element insulation incoloy glass coated safety device/thermostat/auto temperature control, safety value pressure value flow switch, temperature indication/display test report along with an offer from central govt. accredited labs nabl/ilac. conforming to is: 8978 latest and is: 302-2-35 (specification for safety of house hold and similar electrical appliance, part-2, section-35). make:- bajaj, recold, havells or similar. [ warranty period: 30 months after thedate of delivery ]
Tender For wheel diameter gauge similar to model wd-2 (e) with digital display for measurement of wheel diameter in both mounted (in situ) and un mounted wheels of locos carriage and wagons. the gauge gives direct diameter readings on digital display with working manual. specification:- 1. measuring range:- 650 to 1250 mm 2. accuracy: +/- 0.2 mm 3. applicability:- b g wheels 4. resolutions:- 0.1 mm/0.01 mm /0.001 mm (selectable) 5. measurement at distance of edge:- 63.5 mm 6. distance between axes of ball base:- 250+/-0.5 mm 7. display:- wireless display on android 7 segment led/lcd 8. power supply:- inbuilt rechargeable battery 9. operating temperature: -10 degree celsius to 60 degree celsius 10. operating humidity:- 15-85% (no condensation) 11. storage of data:- wireless data transmission with unlimited data storage 12. measurement scheme:- 3 point measurement of curve using linear encoder 13. carrying case:- padded ruggedized pvc carrying case 14. function ability: measurement of wheel diameter is possible for loose wheel set as well as without dismantling wheel set from wagon , carriage or locos. 15. recording of readings:- optional facility on android/device 16. data transfer:- through wireless bluetooth 17. weight:- approx 750 gms18. make: pie/ jyoti/ ganapathi/ electronica or equivalent with calibration certificate & isi certified. [ warranty period: 30 months after the date of delivery ]
Tender For supply of igbt (insulated gate bipolar transistor) is a three-terminal semiconductor device (gate,collector, emitter) that combines the high-speed switching of a mosfet with the low saturation voltage of abipolar junction transistor (bjt). specifications: (1) model no:ff1400r17ip4 (2) voltage : 1700 v (3) current :1400 a (4) repetitive peak collector current : 2800 a (5) collector-emitter saturation voltage : 1.75 v to 2.2v @ 1400a, 15v (6) gate-emitter peak voltage :20 v (7) module type: half-bridge (dual switch). (8) operating temperature: -40 to 150 ?c. (9) internal gate resistor: 1.6 ohm. (10) series/package: prime pac 3.make: infineon, mitsubishi, semikron, abb. [ warranty period: 12 months after the date of delivery ]
Tender For supply of 2.2 kw ac crane drive , 5.5 kw ac crane drive , 11.0 kw ac crane drive , 22.0 kw ac crane drive , 37.0 kw ac crane drive , 55.0 kw ac crane drive , 75.0 kw ac crane drive 3 phase, digital ac crane drive 2.2 kw, ac drive should be suitable for heavy duty operation of 2.2 kw. offered ac drive should be suitable for crane-hoist operation. if, separate software required for crane application, it must be clubbed with supply of material. ac input voltage: 380 to 480v ac 10%, 3 phase, 3 wire, 50 hz; mode of control: bi-directional fully controlled 3-phase ac; speed regulation: 1% of base speed; braking: suitable dynamic braking resistance and chopper unit (external or in-built); acceleration time: 0.1 to 1000s or better; deacceleration time: 0.1 to 1000s or better; overload: 150%-1min, 200%-3.0s; ambient temperature: 0 to 50 c (derating shall not occur below 50 c. in the event that derating occurs below 50 c, the supplier shall provide a higher-rated drive to match the requirement); rated current at 50 c: min. current should be 5.5 amps at 50 c; high starting torque at low speed: 200% starting torque at 0.3 hz; two analog inputs: two nos. analog inputs having signal voltages of 0 to 10 vdc or 4 to 20 ma (configurable); two analog outputs: two nos. analog outputs having signal voltages of 0 to +/-10 vdc or 4 to 20 ma (configurable); six digital inputs: pnp/npn; one relay output: with short-circuit and overload protection; two digital outputs: with short- circuit and overload protection; brake release signals: outputs braking signals based on inverter operating conditions to prevent cargo bed rollback and overrunning; load adaptive control: when the actual load level is lower than the configured load level, the system can be operated at a ratio-multiplied speed (in terms of the configured frequency), resulting in significantly better efficiency; load ) /bid number : gem/2026/b/7563714 * /dated: 20-05-2026 & & / bid document 1 / 29 frequency), resulting in significantly better efficiency; load limiter: maintains the safety and rescuability of suspended loads by stopping when excessive torque is detected and by allowing operation only in the direction opposite to that in which the excessive load was detected; cooling capacity degradation alarm: detects and displays cooling capacity drop due to cooling fin clogging caused by dust and cooling fan airflow reduction; igbt life expectancy forecasting: estimates the power cycle life expectancy of the main circuit s igbt semiconductor device temperature due to frequent acceleration and deceleration stoppages, and displays the estimate before the design life is reached; protection: it must have all standard protections like stall protection, instantaneous power failure, single phasing, over voltage, under voltage, over current, inverter overload, thermal overload etc; display console: it must have alpha numeric display console for programming of drive, fault display and operating condition; dynamic qr code: it must have dynamic qr code for trouble shooting; tuning facility: it must have auto tuning facility. this must enable perfect matching of motor coupled to load with regards to optimum acceleration time, deceleration time, speed regulation etc; drive programming software: suitable drive programming software along with necessary connecting cable and adapter for connection with laptop and drive should be provided to get online with the offered drive (laptop not in scope); automatic voltage regulation: it must have automatic voltage regulation function to maintain high starting torque even at reduced voltage; regenerative option: it must be capable of regenerative operation; communication protocol: modbus (rtu/serial) or ethernet (tcp/ip); make of drives: fuji- electric/yasakawa/schneider/abb only; suitable dynamic breaking resistance unit of 60% wattage rating of drive, however the value of resistance is to be decided by manufacturer as per their technical manual for crane-ho