TERMINAL OBJECTIVE

• ENABLING OBJECTIVES (Cont.)

RESISTANCE TEMPERATURE DETECTORS (RTDs)

• RTD Construction
• Figure 2    Internal Construction of a Typical RTD
• RTD Summary

THERMOCOUPLES

• Thermocouple Operation
• Thermocouple Summary

FUNCTIONAL USES OF TEMPERATURE DETECTORS

• Environmental Concerns

TEMPERATURE DETECTION CIRCUITRY

• Figure 8   Bridge Circuit
• Bridge Circuit Operation
• Figure 10    Balanced Bridge Circuit
• Temperature Detection Circuit
• Temperature Compensation
• Circuit Operation Summary

INSTRUMENTATION AND CONTROL Module 2 Pressure Detectors

• TABLE OF CONTENTS
• LIST OF FIGURES
• REFERENCES
• TERMINAL OBJECTIVE

PRESSURE DETECTORS

• Bourdon Tube-Type Detectors
• Bellows and Bourdon Tube Pressure Detectors Summary

PRESSURE DETECTOR FUNCTIONAL USES

• Functional Uses Summary

PRESSURE DETECTION CIRCUITRY

• Figure 4    Strain Gauge Pressure Transducer
• Figure 5   Strain Gauge Used in a Bridge Circuit
• Inductance-Type Transducers
• Figure 8   Differential Transformer
• Capacitive-Type Transducers
• Detection Circuitry
• Circuit Operation Summary

INSTRUMENTATION AND CONTROL Module 3 Level Detectors

• TABLE OF CONTENTS
• LIST OF FIGURES
• REFERENCES
• TERMINAL OBJECTIVE

LEVEL DETECTORS

• Figure 2    Gauge Glass
• Figure 3    Reflex Gauge Glass
• Ball Float
• Chain Float
• Conductivity Probe Method
• Differential Pressure Level Detectors
• Figure 10    Closed Tank, Dry Reference Leg
• Figure 11    Closed Tank, Wet Reference Leg
• Level Instrumentation Summary

DENSITY COMPENSATION

• Reference Leg Temperature Considerations
• Pressurizer Level Instruments
• Density Compensation Summary

LEVEL DETECTION CIRCUITRY

• Environmental Concerns
• Circuit Operation Summary

INSTRUMENTATION AND CONTROL Module 4 Flow Detectors

• TABLE OF CONTENTS
• LIST OF FIGURES
• REFERENCES
• TERMINAL OBJECTIVE

HEAD FLOW METERS

• Head Flow Meters
• Orifice Plate
• Venturi Tube
• Dall Flow Tube
• Pitot Tube
• Head Flow Meter Construction Summary

OTHER FLOW METERS

• Displacement Meter
• Hot-Wire Anemometer
• Other Flow Meters Summary

STEAM FLOW DETECTION

• Steam Flow Detection
• Figure 9   Simple Mass Flow Detection System
• Figure 10   Gas Flow Computer
• Density Compensation Summary

FLOW CIRCUITRY

• Environmental Concerns
• Flow Circuitry Summary

INSTRUMENTATION AND CONTROL Module 5 Position Indicators

• TABLE OF CONTENTS
• LIST OF FIGURES
• REFERENCES
• TERMINAL OBJECTIVE

SYNCHRO EQUIPMENT

• Figure 1    Synchro Schematics
• Figure 2    Simple Synchro System
• Synchro Equipment Summary

SWITCHES

• Reed Switches
• Switch Position Indicators Summary

VARIABLE OUTPUT DEVICES

• Linear Variable Differential Transformers (LVDT)
• Variable Position Indicator Summary

POSITION INDICATION CIRCUITRY

• Figure 7    Position Indicators
• Environmental Concerns

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