Introduction to Measurements of Temperature

This introductory chapter of the book aims to familiarize readers with the importance of temperature and measurements of temperature. It starts with several examples which illustrate why we measure temperature, and explains that temperature sensors account for about 80% of all the sensors worldwide. It then goes on to give basic information on the temperature sensor market, including data on present market value and estimated growth, key market drivers, and key products. Finally, a brief history of thermometry is presented, mainly focusing on the development of the first instruments and temperature scales.