Electrical Measurements and Measuring Instruments (2130903)  

List of Practicals

Sr. Practical Title
a) Calibration of single phase energy meter by direct loading b) Calibration of single phase static energy meter
Calibration of single phase energy meter by phantom loading with and without phase shifting transformer.
Calibration of 3 phase energy meter a) phantom loading b) using phase shifting transformer.
Measurement of self and mutual inductance a) air cored coil b) iron cored coil.
a) Determination of B- H curve b) Determination of hysteresis loop using six point method.
Calibration of ammeter, voltmeter and wattmeter using vernier potentiometer

Open Ended Problem


  1. Measurement of resistance using Wheastone’s Bridge and Kelvin Double bridge.
  2. Extension of range of wattmeter using CT & PT
  3. Measurement of displacement using LVDT
  4. Measurement of current/ voltage using Hall effect transducer.
  5. Thermocouple based ON – OFF controller
  6. Measurement of physical quantities – strain, torque and angle
  7. Measurement of temperature by RTD method
  8. Measurement of low resistance by Kelvin?s double bridge;
  9. Measurement of voltage, current and resistance using dc potentiometer;
  10. Measurement of inductance by Maxwell?s bridge, Hay?s bridge, Anderson?s bridge;
  11. Measurement of capacitance by Owen?s bridge, De Sauty bridge, Schering bridge;
  12. Measurement of flow rate by anemometer;
Major Equipment

The necessary Kits, Breadboard, equipments, accessaries and instruments to be provided to conduct the above practicals in a group of max. 4 students.


List of Open Source Software/learning website:

Open Source Sfteware:

  • LTSpice for circuit simulation,
  • KiCAD for CAD application

Web-based tools for design:

  • http://www.fairchildsemi.com/support/design-tools/power-supply-webdesigner/
  • http://www.ti.com/lsds/ti/analog/webench/overview.page

Circuit Lab:

  • https://www.circuitlab.com/editor/

Open source Math Tools:

  • http://maxima.sourceforge.net/
  • http://www.sagemath.org/
  • http://www.scilab.org/
  • http://www.gnu.org/software/octave/

Learning website:

  • http://www.electrical-engineering-portal.com/
  • http://nptel.iitm.ac.in/courses.php