supply, installation, commissioning of devices, equipments, instrument, machineries, tools etc. for laboratories and workshops at purulia polytechnic, purulia. , 8051 trainer kit , universal 4×4 16 key matrix membrane switch keypad keyboard , pic 18-trainer kit , arduino uno rev3 ( original version ) with usb compatible cable , arduino nano ( original version ) with usb compatible cable , arduino mega ( original version ) with usb compatible cable , lilypad atmega328 main board ( original version ) , l293d arduino motor driver shield for arduino , dot led matrix module 4 in 1 display with 5p line module for arduino micro-controller with i2c , frequency division multiplexer / demultiplexer kit , fsk trainer kit , am modulator & demodulation kit , fm modulator & demodulation kit , pam, pwm, ppm modulator & demodulator kit , desktop spectrum analyser, 150 khz to 3 ghz , butter worth filter kit ( 1st & 2nd order ) , jones chopper kit ( scr based ) , single phase bridge inverter , uninterruptible power supply ( ups ) trainer kit , maxwell bridge trainer kit , lvdt trainer kit , rtd & thermistor trainer kit , speaker & microphone trainer kit , led television trainer kit , black & white tv trainer kit , colour tv trainer kit , dth receiver system trainer kit , ujt characteristics apparatus , gsm gprs m95 quectel modem , cdma mobile communication trainer kit , color diagram , metallurgical microscope , methanol, nitric acid , magnetic crack detector , muffle furnace , model of crystal structure ( bcc, fcc, hcp ) , polishing machine , polishing papers , standard steel sample , salt bath furnace for heat treatment , tig welding machine , woodenlaboratoryworkingtable , sand muller , sand sieve analysis machine , digital universal sand strength testing machine , stefan boltzmanns apparatus , thermal conductivity of metal rod apparatus , separating & throttling calorimeter apparatus , hermetically sealed compressor cut model , single stage reciprocating air compressor cut section model , cut section model of centrifugal air compressor , cut section model of screw compressor , turbo jet engine - model , dead weight pressure gauge tester , vapor compression refrigeration test rig. , external gear pump model , oil hydraulic circuit trainer unit , pneumatic trainer kit , cut section model of single plate clutch ( coil spring type ) , boyles law apparatus , moment of inertia of a flywheel , stoke’s law apparatus , spherometer , convex and concave mirrors , plane mirrors , hollow metallic cylinder ( to measure volume of the cylinder ) , spring constant apparatus , coefficient of linear expansion apparatus , ohms law apparatus , pn junction diode characteristics apparatus , photo-electric cell , plane diffraction grating , resistance box , commutator , ammeter , voltmeter , weston type galvanometer , battery eliminator , digital conductivity meter with electrode , digital ph-meter , digital balance , magnetic stirrer with stirring bead , redwood viscometer number 1 , glass jar with lid , bod bottle , burette , beaker , beaker , funnel , funnel , kohlrausch flask , conical flask , bh trainer kit , measurement of power in single phase r load , power factor meter , trainer kit for p-n junction diode f.b , opamp kit with mathematical operation , realization of truth table of different logic gates ( ttl only ) and verification of demorgans theorem , trainer kit for rlc series and parallel circuit , variable frequency supply with resonance kit , universal trainer kit for dc network theorem , a trainer kit of filter circuit , multimeter , a trainer kit for thevenin theorem , a trainer kit for norton theorem , a trainer kit for maximum power transfer theorem , two watt-meters for measuring active power of three-phase balanced load , a trainer kit of anderson bridge , a trainer kit kelvin double bridge , schering bridge , a panel board consisting of load box, wattmeter and tri-vector meter , single phase electronic / induction type energy meter by direct loading. , a panel board consisting ofct, ptammeter , voltmeter , dc generator set , dc motor set with swinburnes setup , dc supply , different types of chopper set , a trainer kit for scr , set of a squirrel cage induction motor 1hp with pwm inverter , set of a squirrel cage induction motor 1hp , a squirrel cage induction motor 1hp with star delta inverter , a trainer kit for triac & diac , trainer kit for rlc series and parallel circuit , a setup for full wave control rectifier , a trainer kit for triac & diac , dc series motor speed control with scr , test hrc fuse by performing the load test. , miniature circuit breaker ( mcb ) , 3ph squirrel cage induction motor 1 hp 415 v , induction type / microprocessor based over current relay using relay testing kit , directional over current relay ( docr ) by relay testing kit. , solar pv cell , pyranometer , wind turbine , dc motor with 5hp 1500 rpm