Instrumentation engineering is specialized branch of electrical and electronic engineering, which focuses on the principle, and operation of measuring instruments, which are used in design and configuration of automated systems. These engineers work for industries with automated processes, such as chemical or manufacturing plants, with the goal of improving system productivity, reliability, safety, optimization and stability. Instrumentation Engineers help in the designing, construction and maintenance of instruments and entire instrumentation systems of an industrial undertaking. An instrumentation engineer decides the type of instruments needed for ensuring better quality and efficiency of the end product.