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 repairing of global make wtw 110481 model, 60t electronic road weighbridge by replacement of load cell, repairing of digitizer and replacement of jb card at jocp, under hzb area.
Tender For corrigendum : supply of seamanship gear items for vc11190-91 - grapnel/creeper with lanyard with suitable bow shackles (0263/721-6113)material: polyproylene lanyard (standards for pp rope: is 5175: 2022)rope length: 40mts; diameter of rope: 16mmgrapnel material: steel, cordage shackles stoppers with bow shackles(25mm)material: polyproylene rope and shacklelength: 2 mts; diameter of rope: 24mm, snatch blocks with straight screw shackles material: wooden / synthetic resin bonded fibre (srbf)to suit diameter of rope: 36mmtest load: 06 to 08 tons, remating line (one end finished with soft eye connected to welling spring hook)material: polyproylene rope (standards for pp rope: is 5175: 2022)diameter of rope: 24mmlength: 220mts;test load for welling spring hook: 6t, straight screw shackle and welling spring hook for retaining pendant.d- shackle (pin size:25mm) and welling spring hook test load: 6t, swivel and non -swivel inglefield clip(brass) for light line rope.inglefield clip(swivel and non swivel): size-12mm, snatch blocks with straight screw shackles material: wooden / synthetic resin bonded fibre (srbf)to suit diameter of rope: 16mmtest load: 02 tons, gunline pendantpp rope with an inglefield clip on one end and a puma plate (brass material) on the other endlength of rope: 50 cmsrope diameter: 12mmpuma plate: brass, modified distance line with a inglefield clip at each endmaterial: polyprepylene rope (standards for pp rope: is 5175: 2022)length: 66 mtsdiameter of rope: 12mmsize of flags 330 mm equilateral triangle.the digits denoting the distances, in meter, are to be painted on both side of the flags each digit is to be 150 mm in height and 15 mm in width., welling spring hookmaterial: carbon manganese steel test load: 1.5 tonsswl: 0.75tons, test weight (with 5 removable discs on a central rod)135 kg, a 1mtr, 1ton swl round sling & appropriate straight screw shackle is to be used to attach the weight to the traveller. load certificates of wire rope, d-shackle to be provided.test load: 2 -3 tons, toggle with lanyardmaterial: woodenlength: 250mm longdiameter: 40mm, distance linebraided polyester with non-rotating inglefield clips at either endsize : 8.5mm dialength: 102mtsmin breaking load: 0.79tons, transfer bag with buoyancy aid arrangementmaterial: flax canvas/waterproof, mail bag with buoyancy aid arrangementmaterial: flax canvas/waterproofdimension: 300mm x 300mm, snatch blocks (to suit 16mm dia rope) with straight screw shackles (size:16mm)material: wooden / synthetic resin bonded fibre (srbf)to suit diameter of rope: 16mmsnatch block proof load: 3.6 tonsstraight screw shackle proof load: 9.5tons, straight screw shackle (d-shackle); pin size : 25 mmproof load: 9.5t, straight screw shackle (d-shackle); pin size :16mmproof load: 3.6t, boat hookmaterial: wooden handle with metallic hooklength: 5mts, emergency tool bagaxe & maul, hammer, hatchet, hand pliers, marline spikes, adjustable wrench,wire/bolt croppers, eye wash bottle & googles (04nos) , moussing wire. above items are to be provided in a waterproof canvas bag., ras signal wands with batteryfilter red, filter green, filter amber (every colour 4 sets), shot mats/ dumping matsmaterial: braided manila size: 3 mts x 3mtsthickness: 40mm(eye rings are to be provided on the four corners of the dumping mat for securing the mat with rope), electronic display board for raselectronic display board should contain 15 characters, each having a letter height of 200 mm , with a keyboard cable connected.color of led: red, station marker boxmaterial: wood/light weight steelthis is a 45 cm (length) x 22.5 mtr (breath) x 45 cm (height) box made of light weight sheet metal. on the top of the station marker box are three coloured lamps (green, red, amber), with shades and having independent operating switches. on the outboard side of the box, three rows of three holes, each measuring 2.5 cm in dia, are to be made. each hole is fitted with its individual hand operated shutter.
Tender For supply of lab equipment - bench top single beam uv spectrophotometer withcovers 190 to 1100 nm 4 position cuvette holder automatic wavelength selection 128x64 graphical lcd printer interface usb computer interface with professional scanning software specifications wavelength range 190 1100nm spectral band width, orbital shaking incubator shaking speed range 20 to 250 rpm voltage 220 240v chamber volume 215 ltrs, manual baby mini power pack manual bio world50 v100ma, mini horizontal gel electrophoresis system microtome, alloy steel, min 1micronthickness max60 microntrimming thickness range 1010um 40um vertical stroke, advance rotary microtomy latest spencer 820 type with razer 1 microtome dimensions2 alloy steel3 min 1micron4 thickness max 60 micron5 trimming thickness, compound microscope type compound microscopes head trinocular 30 degree 360 degree rotating 48 75mm interpupilar plus or 5mm diopter on left tube objective magnification semi plan 4x or 0 10 10x or 0 25 s40x or 0 65 oil immersion objectives, laboratory hot air oven 1. heat load 0 point 75 kw 1 point 50 kw 2point25 kw2. no of shelves 2 3. temperature range 50oc 200oc plus or 2oc 4. insulation mineral wool5. safety device with thermostat 6. temperature controller 7. temperature display8. by l shaped glass thermometer 9. electrical supply 220 or 230v ac 50 or 60hz, laboratory eggs incubator capacity 80 lit 1 temperature range ambient plus 5 to plus 90 degree c 2 temperature uniformity plus or minus 0 35 degree c at 37 degree c 3 temperature control thermostat 4 display thermometer 5 door solid door w or glass window & lock6 exterior ms painted7 interior aluminum8 safety features over temperature thermostat9 shelves aluminum10 power supply 220 volts 11 optional caster wheels12 digital timer 13 fluorescent lamp14 incubation of co2 air mixture15 combined digital temperature & humidity controller, ph meter digital 1 range ph 0 to 14ph2 mv measurement 0 plus or minus 1999 mv3 resolution ph 0 point 014 accuracy ph 0 point 015 calibration three point calibration6 display 4 digit led display7 power supply 230v ac 50hz plus or minus 10 percent 8 temperature range 0 to 100 degree c9 standard buffer capsules 4 dot 7 & 9 dot2 ph buffer 4 dot 7 & 9 dot 2 supplied10 operating manual operating manual 11 electrode 1 set of electrode stand & clamp, conical flask 200 ml insufficient number available, electronic balance 1 kern pcb 6000 0feature2 ce compliant material3 stainless steel platform4 ac or dc input5 100 240 v ac universal plug set, gel electrophoresis assembly with digital power pack h number of samples 52buffer volume 600mlnumber of casting tray 7x5cm 13x6cm 13x10cm 1 no each number of combs multichannel pipette compatible combs height adjustable combs26 wells 1point5 mm thickness comb well width 3mm interspace 1point5 mm 2 nosno of platinum electrodes positive and negative each one buffer chamber with safety lid 1 nogel caster 1 no, thermal cycler 1 europlug2 220 240 v europlug feature3 ce compliant usb interface4 eppendorf 53840000125 temp measuring range accuracy plus minus 0point5 degree c at 20 45 degree c parameter 6 24 100 degree c temp range7 300 1 500 rpm speed mixing8 capacity 10 holds 1 block, cooling centrifuge 230 v ac uk plug featurece compliant to hold 24 1point5 or 2point0 ml micro centrifuge tubes corning 6767 hs parameter 13300 rpm16300 g technique s centrifugation suitable, gel documentation unit with computer 64 mega pixel camera, micropipette 12 channel10 100 ltwelve channel variable micropipette 0point5 ml, tips of micropipette round polypropylene tip borosil 100 1000hl c3 variable volume single channel micropipette mechanical, eppendorf tubes safe lock tubes with lid& latch with graduation material polypropylene, pcr tubes micro centrifuge tube 0point2 ml with cap transparent pack size 1000 pcs thin wall polypropylene pcr tubes with attached flip caps for labeling full height wells the thin walled polypropylene tubes and caps
Tender For supply of toe load measuring device (mechanical+ electronic) as per rdso specification no. tm/s m/etlmd/218 (2nd reprint incorporated revision up to 13/09/2012) or latest. [ warranty period: 30 mont hs after the date of delivery ]