tender for purchase of renewable energy lab equipments for eee department , strain guage characteristics 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 ½ 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 chords , load cell characteristics kit input supply :230 v /50 hz ac with regulated internal dc supply, sensor: strain gauge load cell with suitable mounting arrangement , load range: 0-10kg , 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 input supply: 230 v/50 hz with regulated internal dc supply ,tank arrangements: 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 arrangements 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 temperature using pt 100: input supply : 230 v/50hz ac with regulated internal dc power supply unit , sensor: pt 100 resistance temperature detector (rtd) probe with stainless steel sheath, measurement principle: resistance variation of platinum element with temperature, temperature range : 0 oc to 150oc (or suitable laboratory range ),display unit: digital temperature indicator with direct oc display, accuracy: high accuracy with linearized rtd signal conditioning circuit, signal conditioning: built -in bridge circuit with amplifier and linearization ,test points: provided for rtd input, bridge output, amplifier output, and final display signal, controls: zero and span calibration adjustment for temperature calibration , protection: over-voltage and short circuit protection for electronic modules , accessories: temperature bath or heater arrangement, connecting cables, user manual, and circuit diagram included. , temperature measurement trainer with pt 100, ntc, tc: input supply: 230 v/50hz ac with regulated internal dc power supply unit, sensors provided: pt 100 rtd,ntc thermistor, and thermocouple(tc-k type), measurement principle: resistance variation (ptc &ntc) and see back effect (thermocouple), temperature range: suitable for laboratory range (0oc to 150oc or higher depending on sensor), display unit: digital temperature indicator with selector switch for pt 100/ntc/tc, signal conditioning: separate condition circuits for rtd bridge, thermistor network, and thermocouple amplifier, test points: provided for sensor input ,conditioned output, and final display signal, controls: sensor selection switch, zero/ span calibration , and temperature adjustment control, protection : over- voltage and short circuit protection for electronic modules , accessories: heating source or temperature bath connecting leads , bourdon tube pressure gauge: analog indicating type , measurement ranges: 0 to 10 bar , dial size: 100mm nominal dial diameter, accuracy: + 1.6% of full scale(fs),pressure element: bourdon tube made of phosphor bronze/stainless steel-case material: mild steel powder coated /ss304 stainless steel, window material: clear acrylic/glass, connection type: bottom entry/back entry,1/2 bsp threaded connection(or1/4 bsp as required), mounting: panel mounting / direct mounting , scale: dual scale: bar, psi, pointer: micrometre adjustable aluminium pointer, operating temperature: ambient: -10°c to +65°c, process fluid temperature: up to 80°c , protection class: ip54 minimum , over pressure limit: 130% of full scale value , calibration: factory calibrated with calibration certificate , differential pressure transmitter : input supply: 230 v / 50 hz ac with regulated internal dc power supply unit, tank arrangement: transparent tank with mounting stand for real-time liquid level observation, tank capacity: laboratory-scale transparent tank with capacity 30 litres suitable for 0-100% level measurement, differential pressure range: 0-100 mbar to 0-10 bar. accessories: complete piping, control valves and pump system for continuous water circulation and level variation, display unit: digital indicator for real-time level measurement and monitoring, output signal: 4-20 ma dc, two-wire system, accuracy: ±0.1% of full scale, test points: provided for dp input ports, transmitter output, and signal verification., controls: zero and span calibration adjustment for accurate level setting, process connection: 1/4 npt / 1/2 bsp female adaptor, wetted parts material: ss316 stainless steel, enclosure protection: ip65 / ip67, communication: hart protocol compatible, operating temperature: -20°c to +70°c. • mounting: wall/pipe mounting with bracket, protection: over-voltage and short-circuit protection for electronic and electrical modules, over pressure protection: 150% of rated pressure. , solenoid valve kit : type: electrically operated solenoid valve trainer / kit. ,valve type: 2/2 way and 3/2 way normally closed (nc) solenoid valves, operating voltage: 12 v dc / 24 v dc / 230 v ac, port size: 1/4 bsp threaded connection. ,body material: brass / stainless steel, seal material: nitrile (nbr) / viton, operating pressure: 0-10 bar, flow media: air, water, and non-corrosive fluids, coil insulation class: class f or better, protection class: ip65 minimum, response time: fast switching operation, mounting: panel/base mounting arrangement, indicators: led indication for valve on/off status. accessories: connecting tubes, fittings, power cord, and control switches. , calorimeter: vessel material: copper / aluminium calorimeter vessel, capacity: 250 ml / 500 ml minimum, insulation: double-walled insulated outer container, stirrer: non-corrosive stirrer provided, thermometer provision: suitable slot for thermometer/temperature sensor, lid arrangement: insulated lid with openings for stirrer and thermometer, temperature range: ambient to 100°c, least count compatibility: suitable for 0.1°c thermometer, heating arrangement: compatible with external heater / immersion heater, mounting: table-top laboratory model, accessories: stirrer, lid, thermometer, measuring cup, and connecting accessories. , solar water heater performance test setup : collector type: flat plate collector / evacuated tube collector, collector area: 1 m² to 2 m² minimum, storage tank capacity: 50 litres to 100 litres, tank material: stainless steel insulated storage tank, absorber material: copper/aluminium absorber plate with selective coating, glazing material: toughened glass cover, insulation: mineral wool / puf insulation provided, circulation type: natural circulation / forced circulation system, temperature measurement: digital temperature indicators at inlet and outlet, flow measurement: rotameter / flow meter provided, pressure measurement: bourdon pressure gauge provided. heating backup: electrical heater backup provision, mounting frame: corrosion-resistant inclined mounting structure, data acquisition: provision for performance analysis and efficiency calculation, power supply: 230 v ac for instrumentation and heater backup, accessories: connecting pipes, valves, sensors, control panel and experiment manual