Electrical Instrumentation Course

Lesson 1 • Measurement Concepts and Terminology

Defines accuracy, precision, resolution, repeatability, and uncertainty. These terms govern how instrument performance is specified and evaluated throughout the course.

Lesson 2 • Safety Practices in Instrumentation Work

Covers electrical hazard recognition, lockout/tagout procedures, and personal protective equipment. Safe work habits established here apply to every hands-on activity in the course.

Lesson 3 • Basic Electrical Quantities and Units

Covers voltage, current, resistance, and power with SI units. Anchors all later measurement and calibration work in precise quantitative language.

Lesson 4 • DC and AC Circuit Fundamentals

Introduces series, parallel, and combination circuits for both DC and AC systems. Provides the circuit analysis skills needed to interpret instrument wiring diagrams.

Lesson 1 • Temperature Sensing Devices

Covers thermocouples, RTDs, thermistors, and infrared sensors with their operating principles. Prepares students to match temperature sensor type to process requirements.

Lesson 2 • Level and Analytical Sensors

Covers hydrostatic, ultrasonic, radar, and guided-wave level technologies plus common analytical sensors. Rounds out the sensor portfolio needed for full process instrumentation.

Lesson 3 • Flow Measurement Sensors

Surveys differential-pressure, velocity, and volumetric flow sensing technologies. Students learn to identify the best flow measurement approach for a given fluid and pipe condition.

Lesson 4 • Principles of Sensing and Transduction

Explains the transduction principle and the sensor-to-signal chain. Establishes the conceptual model used to evaluate every sensor type covered in this chapter.

Lesson 1 • Loop Wiring and Power Supply Considerations

Addresses 4–20 mA loop wiring, intrinsic safety barriers, and power supply sizing. Correct wiring practices prevent signal errors and protect equipment in hazardous areas.

Lesson 2 • Analog-to-Digital and Digital-to-Analog Conversion

Explains ADC and DAC principles including resolution, sampling rate, and quantization error. Connects conversion theory to smart transmitter and controller interface design.

Lesson 3 • Transmitter Architecture and Operation

Describes the internal blocks of a smart transmitter including sensing, conditioning, and output stages. Provides the structural knowledge needed to configure and troubleshoot transmitters.

Lesson 4 • HART and Digital Communication Protocols

Introduces HART protocol superimposed on 4–20 mA loops and its use for remote configuration. Bridges analog transmitter knowledge to the digital communication topics in later chapters.

Lesson 1 • Valve Sizing and Flow Characteristics

Applies Cv coefficient calculations and inherent flow characteristic curves to valve sizing. Correct sizing prevents cavitation, flashing, and poor control loop performance.

Lesson 2 • Valve Maintenance and Troubleshooting

Addresses packing replacement, seat lapping, actuator bench-set verification, and common failure modes. Maintenance skills here directly support the calibration and loop tuning chapters ahead.

Lesson 3 • Other Final Control Elements

Introduces variable-speed drives, solenoid valves, and on/off dampers as final control elements. Broadens the student's toolkit beyond modulating control valves.

Lesson 4 • Actuators and Positioners

Covers pneumatic, electric, and hydraulic actuators paired with valve positioners. Students learn to match actuator thrust to valve requirements and configure positioner feedback.

Lesson 1 • Calibrating Flow and Level Instruments

Extends calibration methods to differential-pressure flow elements and level transmitters with wet-leg corrections. Addresses the unique challenges of multivariable and density-compensated instruments.

Lesson 2 • Calibration Records and Quality Assurance

Covers calibration certificate content, out-of-tolerance reporting, and corrective action workflows. Proper documentation ensures regulatory compliance and instrument reliability over time.

Lesson 3 • Calibration Equipment and Reference Standards

Surveys deadweight testers, decade boxes, multifunction calibrators, and reference thermometers. Proper equipment selection ensures calibration uncertainty is smaller than the instrument's tolerance.

Lesson 4 • Calibration Theory and Traceability

Defines calibration, verification, and adjustment with reference to measurement traceability chains. Establishes the quality framework that governs all calibration work in the course.

Lesson 1 • Process Dynamics and Response

Covers first-order, second-order, and dead-time process models identified from step-test data. Understanding process dynamics is prerequisite to systematic PID tuning methods.

Lesson 2 • PID Tuning Methods

Applies Ziegler-Nichols, Cohen-Coon, and IMC-based tuning rules to calculated process models. Students evaluate trade-offs between setpoint tracking and disturbance rejection performance.

Lesson 3 • PID Controller Algorithm

Explains proportional, integral, and derivative modes mathematically and graphically. Students connect each mode's effect on offset, response speed, and stability to tuning decisions.

Lesson 4 • Feedback Control Loop Concepts

Defines the closed-loop control structure with process variable, setpoint, error, and controller output. Provides the conceptual model underlying all PID tuning and loop analysis work.

Lesson 1 • Industrial Network Fundamentals

Introduces OSI model layers relevant to industrial networks, network topologies, and media types. Provides the networking vocabulary needed to understand fieldbus and Ethernet protocols.

Lesson 2 • Wireless Instrumentation Protocols

Introduces WirelessHART and ISA100.11a mesh network architectures for field instruments. Students evaluate wireless suitability and configure network managers and gateway devices.

Lesson 3 • Industrial Ethernet Protocols

Covers EtherNet/IP, PROFINET, and Modbus TCP architectures and their use in control systems. Addresses switch configuration, VLAN segmentation, and real-time performance considerations.

Lesson 4 • Foundation Fieldbus and PROFIBUS

Explains Foundation Fieldbus H1 segment design and PROFIBUS DP/PA network configuration. Students learn segment loading, termination, and device commissioning for both protocols.

Lesson 1 • Instrumentation Design Documents

Covers P&IDs, instrument index, loop diagrams, and instrument data sheets as engineering deliverables. Proficiency with these documents is essential for commissioning and maintenance work.

Lesson 2 • Pre-Commissioning Checks and Loop Testing

Defines the sequence of continuity, insulation, and functional checks before energizing instrument loops. Systematic pre-commissioning prevents equipment damage and reduces commissioning rework.

Lesson 3 • Control System Configuration and Integration

Covers DCS and PLC I/O configuration, tag database setup, and controller block linking. Students connect field instrument signals to control system displays and historian functions.

Lesson 4 • Instrument Installation Best Practices

Addresses mounting, impulse line routing, conduit sealing, and grounding for field instruments. Correct installation prevents measurement errors and protects instruments from process and environmental damage.