EES211
ELECTRICAL INSTRUMENTATION AND MEASUREMENTS
(4 Credit Hours)
Contact hours: 56 hours
Prerequisite course: EES204 Electrical Circuit Theory I
Course Purpose
The objective of this course is to introduce learners to the various types of measurements
made in electrical engineering, the instruments used for making the measurements, and
the various measurements standards.
Expected Learning outcomes
At the end of this course, the learner should:
1. Explain different measurement standards and their importance.
2. Describe the accuracy, precision and sensitivity as applied to measuring
Instruments.
3. Measure current, voltage, resistance, inductance, capacitance, time period,
frequency, phase angle, Q factor and power using appropriate measuring
instruments.
4. Calibrate a measuring instrument.
5. Analyze the limitations of various measuring instruments.
6. Select appropriate measuring instruments for specific applications.
Course Content
Introduction: Applications, functional elements of a measurement system and
classification of instruments. Measurement of electrical quantities: Current and voltage,
power and energy measurement. Current and potential transformer. Transducers:
mechanical,
electrical
and
optical.
Measurement
of
non-electrical
quantities:
Temperature, pressure, flow, level, strain, force and torque. Basic elements of dc and ac
signal conditioning: Instrumentation amplifier, noise and source of noise, noise
elimination compensation, function generation and linearization, A/D and D/A
converters, sample and hold circuits. Data Transmission and Telemetry: Methods of data
transmission, DC/AC telemetry system and digital data transmission. Recording and
display devices. Data acquisition system and microprocessor applications in
instrumentation.
Practical/Laboratory Exercises
The practical work/laboratory exercises are to cover the following topics:
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Measurement of DC and AC voltage using analogue and digital voltmeters/
multimeters
Measurement of DC and AC current using analogue and digital
ammeters/multimeters
Calibration of voltmeters and ammeters
The loading effect of a multimeter when measuring voltage across a very low
resistance and a very high resistance
The limitations of a multimeter for measuring high frequency voltage
Measurement of unknown voltage using potentiometer
Measurement of resistance using analogue and digital multimeters
Measurement of insulation resistance using a Megger
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Measurement of resistance, inductance and capacitance using an LCR
bridge/universal bridge
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Use of the CRO for measurement of voltage, frequency, time period
and phase angle
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Measurement of time period, frequency, average period using a universal
counter/frequency counter Measurement of Q factor of a coil/capacitor by Q meter
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Measurement of power using a wattmeter (electrodynamometer).
Mode of Delivery
Lectures and Group-based learning
Teaching Methodology
Blended (face-to-face and virtual) lectures: 2 hours per week Tutorials: 1 hours per week;
Laboratory Exercises: At least four experiments per semester, with each lab/practical
session 3 hours long.
Instructional materials and equipment
1. Presentation software
2. LCD projector
3. Whiteboard
Course evaluation
Regular Examination at end of Semester: 70 %, Continuous Assessment: 30 % where
10 % shall be continuous assessment tests, 5 % shall be assignments, and 15 labs.
Core textbooks
1. Roman Malaric (2011) Instrumentation and Measurement in Electrical Engineering,
Brown Walker Press.
2. Manual Pedro FernandesGraca (2017) Electrical Measurements: Introduction,
Concepts; Nova Science Pub. Inc.
3. Electrical Measurements by Harvey L. Curtis, Curtis Press, 2011
Reference Textbook
Principles of Electrical Measurement, by SlawomirTumanski, published by Taylor & Francis, 2006