Measurements and Instrumentation

EE3403

MEASUREMENTS AND INSTRUMENTATION

COURSE OBJECTIVES

•To educate the fundamental concepts and characteristics of measurement and errors.

• To impart the knowledge on the functional aspects of measuring instruments

• To infer the importance of various bridge circuits used with measuring instruments.

• To educate the fundamental working of sensors and transducers and their applications

• To summarize the overall measurement and instrumentation with the knowledge on digital instrumentation principles.

UNIT I

CONCEPTS OF MEASUREMENTS

Instruments: classification, applications - Elements of a generalized measurement system - Static and dynamic characteristics - Errors in measurement -Statistical evaluation of measurement data.

UNIT II

MEASUREMENT OF PARAMETERS IN ELECTRICAL SYSTEMS

Classification of instruments - moving coil and moving iron meters - Induction type, dynamometer type watt meters - Energy meter - Megger - Instrument transformers (CT & PT).

UNIT III

AC/DC BRIDGES AND INSTRUMENTATION AMPLIFIERS

Wheatstone bridge, Kelvin double bridge - Maxwell, Hay, Wien and Schering bridges - Errors and compensation in A.C. bridges - Instrumentation Amplifiers.

UNIT IV

TRANSDUCERS FOR MEASUREMENT OF NON-ELECTRICAL PARAMETERS

Classification of transducers - Measurement of pressure, temperature, displacement, flow, angular velocity - Digital transducers - Smart Sensors.

UNIT V

DIGITAL INSTRUMENTATION

A/D converters: types and characteristics - Sampling, Errors- Measurement of voltage, Current, frequency and phase - D/A converters: types and characteristics- DSO- Data Loggers - Basics of PLC programming and Introduction to Virtual Instrumentation - Instrument standards.

TOTAL: 45 PERIODS

COURSE OUTCOMES:

Upon successful completion of the course, the students should have the:

CO1: Ability to understand the fundamental art of measurement in engineering.

CO2: Ability to understand the structural elements of various instruments.GE

CO3: Ability to understand the importance of bridge circuits.

CO4: Ability to understand about various transducers and their characteristics by experiments.

CO5: Ability to understand the concept of digital instrumentation and virtual instrumentation by experiments.

TEXT BOOKS:

1. A.K. Sawhney, Puneet Sawhney 'A Course in Electrical & Electronic Measurements & Instrumentation', Dhanpat Rai and Co, New Delhi, Edition 2011.

2. H.S. Kalsi, 'Electronic Instrumentation', Tata McGraw-Hill, New Delhi, 2010

REFERENCES:

1. M.M.S. Anand, 'Electronics Instruments and Instrumentation Technology', Prentice Hall India, New Delhi, 2009

2. J.J. Carr, 'Elements of Electronic Instrumentation and Measurement, Pearson Education India, New Delhi, 2011

3. W.Bolton, Programmable Logic Controllers, 6th Edition, Elseiver, 2015.

4. R.B. Northrop, 'Introduction to Instrumentation and Measurements', Taylor & Francis, New Delhi, 3rd Edition 2014.

5. E. O. Doebelin and D. N. Manik, "Measurement Systems - Application and Design", Tata McGraw-Hill, New Delhi, 6th Edition 2017.

6. R. K. Rajput, "Electrical and Electronics Measurements and Instrumentation", Chand Pub, 2016