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Tender For supply of led signal lamp for main colour light signal for aspect yellow with inbuilt current regula tor conforming to rdso specification no.rdso/spn/199/2010 (rev 1.1) [ warranty period: 30 months after the date of delivery ]
Tender For supply of following items for setting up measurement and instrumentation lab for 4 year b.tech in electrical engineering curriculum and application for university of calcutta. - experimental set-up for calibration of a wattmeter using dc potentiometer with following features/items:regulated power supply 2 volts, 100 ma to operate the potentiometer.calibrated electronic standard cell voltage 1.0186 volts.regulated power supply 0-5 volts/0.5 amps with milliammeter 0- 500ma for current coil of wattmeter.regulated high voltage power supply 0-250 dc volts with voltmeter 0-250 volts for pressure coil of wattmeter.a panel mounting wattmeter 0-125 watt is required to perform the experimentgalvanometer for null balance.a volt ratio box for measurement of higher voltage.complete circuit diagram with wattmeter connections to be provided on the front panel of the instrument.with standard accessories, experimental set-up for low resistance measurement using kelvin s double bridge with following features:range: 0.2 micro ohm to 11 ohms, with an accuracy of 0.05 %required accessories:spot reflecting galvanometer. dc source 10 a with one analog current meter. attachment of 1 meter length.brass clamp with terminals for zero setting. with standard accessories, experimental set up for unknown capacitance measurement using de-sauty s bridge with following specifications:source: sine wave signal of 1khz. the amplitude of ac switch indicating lamp is provided on the bakelite board. two sockets are to be provided for the output of ac signals.detector: for detecting small ac signals in the output, null detector is required as in-built with digital display.circuit diagram:the circuit layout on the board is to be provided out to facilitate convenient working. 4 or 5 mm socket required for making connection. features:r2 --- three decade resistance dials having value 10 1000, 10 100 and 10 10 ohmsr1 ---- single decade resistance dial having value 10 100 ohmsc1 ---- unknown capacitor.c2 ---- two fixed standard capacitors having value 0.01mfd 0.1mfd (loss free)with standard accessories, experimental set-up for calibration of a 1-phase watt-hour meter with following scopes: to adjust & calibrate a single-phase energy meter by direct loading method to adjust & calibrate a single-phase energy meter by comparing with a sub-standard meterspecifications: static energy meter single phase: under test (local) duly mounted, wired and terminated static energy meter single phase: sub-standard meter (isi mark) duly mounted, wired and terminated voltmeter: moving iron ac portable of class 1.0 accuracy and range 0 - 300 v ac ammeter: moving iron ac portable of class 1.0 accuracy and range 0 - 10 a ac wattmeter: dynamometer type ac single phase, multi-range with current coil 5 / 10 amp and potential coil 75 / 150 / 300 v ac variac: variable voltage transformer (portable table / floor mounting type with enclosure) input: 230v ac and output: 0 270v / 8 amp ac variable load: made up of 3 load resistors of 70 ohms / 700 w each duly mounted and connected / terminated to form different loads (35 to 210 ohms) as per external connections digital stop clock: portable with start / stop & reset operation set of necessary 4 mm spring loaded patch cords for interconnections detailed instruction manual supply to be connected: 230v, 1phase, 50 hz, ac mains, experimental set-up for calibration of a 3-phase watt hour meter with following specifications: to adjust & calibrate a three-phase energy meter by direct loading method to adjust & calibrate a three-phase energy meter by comparing with a sub-standard meterspecifications:static energy meter three phase: under test (local) duly mounted, wired and terminatedstatic energy meter three phase: sub-standard meter (isi mark) duly mounted, wired and terminatedvoltmeter: moving iron ac portable of class 1.0 accuracy and range 0 - 300 v acammeter: moving iron ac portable of class 1.0 accuracy and range 0 - 10 a acwattmeter:
Tender For corrigendum : supply of miscellaneous articles / items - 3 phase amp main cable 25 mm-(finolex or equivalent), 3 phase amp main cable 50 mm-(finolex or equivalent), 3 phase amp main cable 35 mm-(finolex or equivalent), 3 phase motor switch-(anchor or equivalent), 3 pin top plug 15 amp-(anchor or equivalent), 3 pin top plug 5 amp (anchor or equivalent), 4 phase amp. main cable 25 mm-(finolex or equivalent), 4 phase amp. main cable 50 mm-(finolex or equivalent), 4 phase amp. main cable 35 mm-(finolex or equivalent), 4 phase motor switch -(anchor or equivalent), a.c modular box with 20 amp mcb-(anchor or equivalent), a.c modular box with 32 amp mcb-(anchor or equivalent), a.c starter 16 amp -(anchor or equivalent), a.c starter 6 amp-(anchor or equivalent), aircooler (crompton or equivalent), ampere meter (generic or equivalent), box metal for electrict modular -topper or equivalent, box single for telephone modular-topper or equivalent, bulb (100w) filament -philips or equivalent, bulb (200w) filament -philips or equivalent, bulb (night lamp) filament -philips or equivalent, bulb for metal 400 watt-topper or equivalent, bulb hologen 1000 watt-topper or equivalent, bulb led 20 watt -(philips or equivalent), bulb led 35 watt -(philips or equivalent), bulb led 5 watt -(philips or equivalent), bulb led 50 watt -(philips or equivalent), bulb led 9 watt-(philips or equivalent), bulb led 24 watt-(philips or equivalent), cabinet for metal lamp -good quality, cable line wire-topper or equivalent, calling bell (battery) -(anchor or equivalent), calling bell (electric) (ancho or equivalent), cassing "/1"-good quality, cassing 2"-good quality, ceiling fan 48"-(crompton or equivalent), ceiling light 1 x 1 led complete set -(philips or equivalent), ceiling light 10"x 8" led complete set -(philips or equivalent), ceiling light 12 watt led-(philips or equivalent), ceiling light 18 watt led -(philips or equivalent), ceiling light 20 watt led-(philips or equivalent), ceiling light 36 watt led-(philips or equivalent), ceiling light 4"x4" led complete set-(philips or equivalent), ceiling light 6"x6" led complete set-(philips or equivalent), ceilling rose-good quality, changer 100 amp (3 & 1 phase)-(selvo or equivalent), changer 32 amp (3 & 1 phase)-(selvo or equivalent), changer 63 amp (3 & 1 phase)-(selvo or equivalent), condenser for ceiling fan- (keltron or equivalent), condenser for metal lamp 250 watt/ 400 watt -(keltron or equivalent), connector for telephone rj45 modular, cordless microphone- (ahuja or equivalent), cut out 32 amp (anchor or equivalent), cut out 100 amp (anchoror equivalent), cut out 63 amp. (anchor or equivalent), digital weight machine-(dr trust or equivalent), double pair telephone wire-(hybite or equivalent), dragon light-(high power or equivalent), drill machine electric (bosch or equivalent), drill twist bit (bosch or equivalent), earthing plate copper-good quality, earthing rod 5/10-(e-damen or equivalent), electric cord 3 pole big size -(hoteon or equivalent), electric cord big size (havells or equivalent), electric iron-(philips or equivalent), electric room heater-(philips or equivalent), electrical panel busber 200 amp-(havells or equivalent), electrical wire gauge -good quality, electrict tester (taparia or equivalent), electrict vaporizer steam inhaler-(dr trust or equivalent), electro tools engraver machine-(taparia or equivalent), electronic safety light -(hand held signal light ii)-good quality, emergency light recharable- (philips or equivalent), exhaust fan 12"/18" (havells or equivalent), extention cord (havells , goldmedal, anchor or equivalent), flexible wire-(havells or equivalent), fuse 15 amp-(anchor or equivalent), fuse 15 amp modular- (anchor or equivalent), fuse 6 amp-(anchor or equivalent), fuse 6 amp modular-(anchor or equivalent), generetor switch-(havells or equivalent), geyger 20 ltr-(havells or equivalent), geyger connecter pipe-good quality, geyger for relay-good quality, glob ligh