附註:Includes bibliographical references and index.
Terms of Use; Want to learn more?; Contents; About the Author; Preface; Chapter 1. Introduction and Review; Chapter Objectives; 1.1 Introduction; 1.2 Process Control; 1.3 Definitions of the Elements in a Control Loop; 1.4 Process Facility Considerations; 1.5 Units and Standards; 1.6 Instrument Parameters; Summary; Problems; Chapter 2. Basic Electrical Components; Chapter Objectives; 2.1 Introduction; 2.2 Resistance; 2.2.1 Resistor Formulas; 2.2.2 Resistor Combinations; 2.2.3 Resistive Sensors; 2.3 Capacitance; 2.3.1 Capacitor Formulas; 2.3.2 Capacitor Combinations; 2.4 Inductance.
2.4.1 Inductor Formulas2.4.2 Inductor Combinations; Summary; Problems; Chapter 3. AC Electricity; Chapter Objectives; 3.1 Introduction; 3.2 Circuits with R, L, and C; 3.2.1 Voltage Step; 3.2.2 Time Constants; 3.2.3 Phase Change; 3.3 RC Filters; 3.4 AC Bridges; 3.5 Magnetic Forces; 3.5.1 Magnetic Fields; 3.5.2 Analog Meter; 3.5.3 Electromechanical Devices; Summary; Problems; Chapter 4. Electronics; Chapter Objectives; 4.1 Introduction; 4.2 Analog Circuits; 4.2.1 Discrete Amplifiers; 4.2.2 Operational Amplifiers; 4.2.3 Current Amplifiers; 4.2.4 Differential Amplifiers; 4.2.5 Buffer Amplifiers.
4.2.6 Nonlinear Amplifiers4.2.7 Instrument Amplifier; 4.2.8 Amplifier Applications; 4.3 Digital Circuits; 4.3.1 Digital Signals; 4.3.2 Binary Numbers; 4.3.3 Logic Circuits; 4.3.4 Analog-to-Digital Conversion; 4.4 Circuit Considerations; Summary; Problems; Chapter 5. Pressure; Chapter Objectives; 5.1 Introduction; 5.2 Basic Terms; 5.3 Pressure Measurement; 5.4 Pressure Formulas; 5.5 Measuring Instruments; 5.5.1 Manometers; 5.5.2 Diaphragms, Capsules, and Bellows; 5.5.3 Bourdon Tubes; 5.5.4 Other Pressure Sensors; 5.5.5 Vacuum Instruments; 5.6 Application Considerations; 5.6.1 Selection.
5.6.2 Installation5.6.3 Calibration; Summary; Problems; Chapter 6. Level; Chapter Objectives; 6.1 Introduction; 6.2 Level Formulas; 6.3 Level Sensing Devices; 6.3.1 Direct Level Sensing; 6.3.2 Indirect Level Sensing; 6.4 Application Considerations; Summary; Problems; Chapter 7. Flow; Chapter Objectives; 7.1 Introduction; 7.2 Basic Terms; 7.3 Flow Formulas; 7.3.1 Continuity Equation; 7.3.2 Bernoulli Equation; 7.3.3 Flow Losses; 7.4 Flow Measurement Instruments; 7.4.1 Flow Rate; 7.4.2 Total Flow; 7.4.3 Mass Flow; 7.4.4 Dry Particulate Flow Rate; 7.4.5 Open Channel Flow.
7.5 Application Considerations7.5.1 Selection; 7.5.2 Installation; 7.5.3 Calibration; Summary; Problems; Chapter 8. Temperature and Heat; Chapter Objectives; 8.1 Introduction; 8.2 Basic Terms; 8.2.1 Temperature Definitions; 8.2.2 Heat Definitions; 8.2.3 Thermal Expansion Definitions; 8.3 Temperature and Heat Formulas; 8.3.1 Temperature; 8.3.2 Heat Transfer; 8.3.3 Thermal Expansion; 8.4 Temperature Measuring Devices; 8.4.1 Thermometers; 8.4.2 Pressure-Spring Thermometers; 8.4.3 Resistance Temperature Devices; 8.4.4 Thermistors; 8.4.5 Thermocouples; 8.4.6 Semiconductors.
摘要:Instrumentation technicians work on pneumatics, electronic instruments, digital logic devices and computer-based process controls. Because so much of their work involves computerized devices, they need an extensive knowledge of electronics, and most have degrees in electronics technology. Most textbooks in this area are written for four year institutions and lack the practical flavor that is needed in technical schools or community colleges. Designed as a text for use in community colleges or vocational schools, this up to date text is unsurpassed in its treatment of such subjects as: instruments and parameters, electrical components(both analog and digital) various types of actuators and regulators, plumbing and instrumentation diagrams and Operation of process controllers.
