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Tender For supply, fabrication, fitting and fixing of emergency battery charger testbench & measuring & monitoring relay testbench as per annexure-a. make: austine/gattani or similar. [ warranty period: 3 0 months after the date of delivery ]
Tender For corrigendum : procurement of single phase and three phase fully automatic smart energy meter testing benches of class 0.05s and 0.02s and establishment of testing facilities at laboratories under mpmkvvcl bhopal
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 supply of different water supply materials for operation & maintenance of water supply for drinking water supply within kharagpur municipal area - detachable joints to ac pipes including supply of rubber gasket, nuts, boltsetc. of best quality to make the joint water tight at required hydraulicpressure all complete as per specification and direction o the engineer-in-charge.diameter in mma) 80 mm dia, b) 100 mm dia, c) 150 mm dia, cast iron double flanged rising spindle sluice valve generally confirming to is14846 having body door /dome/bonnet and cover of cast irongr fg 260,outside screen rising spindle of is 6603 gr-12 cr-13,spindle nut & seat rings are gunmetal as per is:318 ltb2. flanges flat faced and drilled to is:1538 part iv & vi,valves are suitable for maximum working pressurre of 10/16 kg/sqcm(seat test) and body testede to 15/24kg/sqcm 350 nb and above valves should be provided with enclosed gear box and antifriction device for ease of operation.all the valves should be tested by closed end method only.p.n.-1.6 rating. a) 80 mm dia, b) 100 mm dia, c) 125 mm dia, d) 150 mm dia, e) 200 mm dia, f) 250 mm dia, g) 300 mm dia, h) 350 mm dia, cast iron kinetic double orifice type air release valve having small orificeelastic ball resting on gun metal orifice nipple large orifice vulcanite ballseating on moduled seat ring, valve with built-in-kinetic features, isolatingsluice valve mounted in horizontal position and operated by a metre wheelgearing:inlet faced and drilled to is 1538 table 4 & 6. valve suitable formaximum working pressure of 10 kg/cm2 a) 80 mm dia, b) 100 mm dia, c) 150 mm dia, supply of pig lead 99.999% purity, cast iron double flanged single door swing non-return valve generallyconforming to is 14846 having body, door cover in graded cast iron to is210 gr. fg 200, body and door rings and bearing block of leaded tin bronzeto i.s 318 gr. ltb 2, hinge pin of st aisi410 valves suitable for maximumworking pressure of 10 kg/cm and body tested 15 kg/cm . a) 80 mm dia, b) 100 mm dia, c) 150 mm dia, gst