Design of an Instrumentation Unit with Datalogger for Heat Flow Measurement in Solid Metals

An instrumentation unit that measures heat flow along the test column of solid metal samples is described. The study also describes design a datalogger using Arduino Mega Microcontroller. designed incorporates current and voltage sensing unit, ten thermocouple sensors amplifiers, microSD card shield, two LCDs, four microcontrolled switching relays 12 V DC water pump motor. parameters measured by includes temperature gradient, heater voltage. logs value temperature, at time minutes. area application for this in development device measurement thermal conductivity metals. It an improvement over existing techniques.