supply, installation and training of instrument mechanic trade machinery & equipments-trainer on basis digital electronics i.e. logic gates boolean expression adder, sub tractor, flip flop , counter register , converter etc. 2 scr driven/controlled power supply trainer 3 discrete component trainer with following seven basic modules- diode characteristic (si,zener, led)rectifier circuit- diode as clipper circuit – diode as clamping circuit – zener as voltage regulator – transistor type npn&pnp and ce characteristic – transistor as a switch 4 potentiometer/thermocouple test set 5 calibration test bench for ac and dc voltmeter, ac and dc ammeter, ohm meter 6 sensor trainer kit containing following sensor:- rtd, ntc thermistor, lm35 thermocouple j,k, typeand ad590 photovoltaic , photoconductive, phototransistor and photo diode air humidity and tempreture 7 pressure transducers training kits( containing potentiometer capacitive reluctive strain gauge lvdt load cell servo type piezo resistive) 8 p to i and i to p converters 9 orifice type flow meter venturi tube flow meter rota meter trainer 10 complete experimental set up for flow measurement 11 data acquisition system (das) 12 microcontroller development platform