ELL 301 - Electrical and Electronic Instrumentation


Course Content

Basics of Measurement and Instrumentation : Units and standards; Calibration methods ; Static calibration; Classification of errors ; Error analysis; Statistical methods ; Odds and uncertainty; Static characteristics : Accuracy, precision, resolution, sensitivity, linearity etc.; Dynamic characteristics : Mathematical model of transducers.

Voltage and Current Measurements : Operation and comparison of moving coil, moving iron meters, dynamometer, induction type & rectifier type ; Extension of range and calibration of voltmeter and ammeter : Errors and compensation.

Power and Energy Measurement : Electrodynamometer type wattmeter : Theory & its errors , Methods of correction , LPF wattmeter , Induction type KWH meter ; Calibration of wattmeter, energy meter.

Digital Instrumentation : Digital method for measuring frequency, period, phase difference, pulse width, time interval, total count : Digital voltmeter : Types : Automatic polarity indication, automatic ranging, auto zeroing : Digital Multimeter .

Bridge Circuits : Wheatstone's Bridge, Kelvin Bridge, Resistance-Capacitance Bridges, Inductance Measuring Bridges

Measurement of Non-Electrical Quantities : Metrology, Strain, Pressure, Temperature etc.

Statistics : Errors, Combination of Errors, Measurement Statistics : Mean, Standard Deviation, Variance, Error Distributions and Goodness of fit

Recommended Reading

Course Related Material

Course Notes 2019-20

  1. L01-Introduction
  2. L02-Basic Concepts
  3. L03-Dynamic Characteristics
  4. L04-Analog DC Measurements - I
  5. L04a - Electrical Metering Symbols
  6. L05-Analog DC Measurements - II
  7. L06-Moving Iron Instrument
  8. L07-Electrodynamometer Instrument
  9. L08-Electrodynamometer Wattmeter
  10. L09-Induction Instrument
  11. L10-Induction Energymeter
  12. L11-Electronic Instruments
  13. L12-Digital Voltmeter-I
  14. L13-Digital Voltmeter-II
  15. L14-Digital Multimeter Circuits
  16. L15-DC Bridge Circuits-I
  17. L16-DC Bridge Circuits-II
  18. L17-DC Bridge Circuits-III
  19. L18-AC Bridge Circuits-I
  20. L19-AC Bridge Circuits-II
  21. L20-Displacement Measurement - I
  22. L21-Displacement Measurement - II
  23. L22-Displacement Measurement - III
  24. L23+24-Strain and Pressure Measurement
  25. L25-Temperature Measurement -I
  26. L26-Temperature Measurement - II
  27. L27-Measurement Error
  28. L28-Measurement Statistics - I
  29. L29-Measurement Statistics - II