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Full Description
Explains the principles underlying all devices used to sense temperature, and how the sensor signals are processed to convert them to indications of temperature. Describes the fundamental concepts of temperature, the Thermodynamic Temperature Scale, and the International Practical Temperature Scale. Covers sensor choice, response characteristics, heat transfer conditions, installation errors, instrumentation compromises, and mechanisms of sensor deterioration. Many specific sensors are described, including expansion devices, liquid--in--glass thermometers, electrical resistance devices, thermistors, electronic sensors, thermocouples, disappearing filament optical pyrometers, infrared pyrometers, total radiation pyrometers, pyrometric cones, and other novel methods. Includes discussion of measurement of temperatures to a fraction of a degree Kelvin.
Contents
The Concept of Temperature. The Thermodynamic Temperature Scale. Entropy, Temperature, and Statistical Mechanics. The International Practical Temperature Scale. General Characteristics of Temperature Measuring Devices and Treatment of Data. Liquid--in--Glass Thermometers. Sealed Liquid or Gas Sensing Instruments and Bimetallic Sensors. Electrical Resistance Temperature Measurement Using Metallic Sensors. Thermistors and Semiconductors for Temperature Measurement. Thermoelectric Temperature Measurement. Theory of Radiant Heat Transfer as a Basis for Temperature Measurement by Radiant Techniques. The Disappearing Filament Optical Pyrometer. Photoelectric Optical Pyrometers (Automatic and Infrared). Total Radiation Pyrometers. Novel Methods of Temperature Measurement. Pyrometric Cones. Calibration Methods. Installation Effects. Dynamic Response of Sensors. Temperature Instrumentation and Control.