Book excerpt: This book has been written with total focus on meeting the objectives of the subject 'Electrical Measurement and Control' as given by the syllabus of WBSCTE. The text has been written so as to create interest in the minds of students in learning further. After reading this book the student will be able to: • Identify the sub-systems of a complete instrumentation system and explain the function of each • Select the correct transducer for receiving the measurement system input • Explain the basic signal conditioning processes, data transmission techniques, data storage and display devices • Understand the working of control devices used in motor controls and process controls • Represent a control system in a simplified block diagram form using transfer function • Determine the stability conditions of a system using stability study criteria and explain the use of different types of controllers