The purpose of this course is to introduce fundamental concepts, principles, procedures, and computations used by engineers to analyze, select, specify, design, and maintain modern instrumentation.


CLO-1: Understand the construction, working and applications of various sensors.  (C2)
CLO-2: Analyze the sensor data while carrying out various operations in mechanical engineering systems. (C4)
CLO-3: Develop sensor-based solution for the open-ended complex engineering problems. (C3)


  1. Basic Concepts of Measurement Methods – Four Lectures
  • General measurement systems
  • Experimental test plan
  • Standards, calibration and testing

2. Characteristics of Signals – Four Lectures

  • Input/output signal system
  • Signal analysis
  • Fourier transform and the frequency spectrum

3. Measurement System Behavior – Four Lectures

  • General model for a measurement system
  • Transfer functions and phase linearity
  • Coupled system

4. Sampling, Digital Devices, and Data Acquisition – Four Lectures

  • Sampling concept
  • Data-acquisition systems and components
  • Analog and digital input-output communication

5. Temperature Measurements – Four Lectures

  • Standards and definitions
  • Thermometry based on thermal expansion
  • Electrical resistance thermometry
  • Thermoelectric temperature measurement
  • Physical errors in temperature measurement

6. Pressure and Velocity Measurements – Four Lectures

  • Pressure reference instruments
  • Pressure transducers
  • Pressure measurements in moving fluids
  • Fluid velocity measuring systems

7. Flow Measurements – Four Lectures

  • Volume flow rate through velocity determination
  • Pressure differential meters
  • Insertion volume flow meters
  • Mass flow meters

8. Strain Measurement – Four Lectures

  • Resistance strain gauges and its electric circuits
  • Apparent strain and temperature compensation
  • Optical strain measuring methods