This handbook presents a comprehensive and technically grounded examination of sensors and transducers, focusing on their principles, design considerations, and applications in modern engineering systems. It develops a clear understanding of how physical quantities are detected, measured, and converted into usable electrical signals. The handbook integrates theoretical concepts with practical approaches, addressing performance characteristics, sensitivity, accuracy, and system integration. It further explores the role of sensing technologies in automated data acquisition and control environments, highlighting their importance in monitoring and instrumentation. Emphasis is placed on the analysis and evaluation of device behaviour under varying conditions, enabling reliable and precise measurement in complex systems. The discussion also reflects contemporary advancements in sensing technologies, encouraging a critical and application-oriented perspective on their development and utilisation across diverse engineering fields.

This handbook is intended for engineers, researchers, and advanced students seeking to enhance their understanding of sensing systems. It supports the development of technical competence, analytical capability, and practical insight required for effective application in instrumentation and control engineering.