tailieunhanh - Fundamentals Handbook - Instrumentation and Control

The hotness or coldness of a piece of plastic, wood, metal, or other material depends upon the molecular activity of the material. Kinetic energy is a measure of the activity of the atoms which make up the molecules of any material. Therefore, temperature is a measure of the kinetic energy of the material in question. | Department of Energy Fundamentals Handbook INSTRUMENTATION AND CONTROL Module 1 Temperature Detectors Temperature Detectors TABLE OF CONTENTS TABLE OF CONTENTS LIST OF FIGURES. ii LIST OF REFERENCES .iv OBJECTIVES. v RESISTANCE TEMPERATURE DETECTORS RTDs . 1 Temperature . 1 RTD Construction. 2 Summary . 4 THERMOCOUPLES . 5 Thermocouple Construction . 5 Thermocouple Operation . 6 Summary . 7 FUNCTIONAL USES OF TEMPERATURE DETECTORS . 8 Functions of Temperature Detectors. 8 Detector Problems. 8 Environmental Concerns. 9 Summary . 9 TEMPERATURE DETECTION CIRCUITRY. 10 Bridge Circuit Construction . 10 Bridge Circuit Operation . 12 Temperature Detection Circuit. 14 Temperature Compensation. 15 Summary . 16 Rev. 0 Page i .

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