Functional Elements of a Measuring Instrument – Static and Dynamic Characteristics – Standards and Calibration – Galvanometers: D’Arsonval and Vibration Galvanometer – Principle, Construction, Operation and Comparison of Moving Coil, Moving Iron Meters – Extension of Range and Calibration of Voltmeter and Ammeter, Digital voltmeters.
Electrodynamometer type Wattmeter - LPF wattmeter - Phantom loading - Induction type energy meter - Magnetic measurements - Determination of B-H curve and measurement of iron loss.
DC Potentiometer: Basic circuit, Standardization - Laboratory type (Crompton’s) - AC potentiometer- Drysdale (Polar) type - Gall-Tinsley (Coordinate) type - Limitations and applications - Instrument Transformer: CT and PT construction and operation.
Measurement of resistance: DC Bridges: Kelvin double bridge, Wheatstone bridge, Direct deflection method and Mega ohm Bridge method - Megger. Measurement of impedance: AC Bridges: Maxwell’s Bridge, Wein bridge, Schering bridge, Anderson bridge, Digital multimeter.
Magnetic disk and tape - Recorders, digital plotters and printers, CRT display, DSO, LED, LCD and dot matrix display – case study using design thinking - Data Logger and Function Generators.
Reference Book:
J. B. Gupta, “A Course in Electronic and Electrical Measurements and Instrumentation”, S. K. Kataria& Sons, Delhi, 2013. S. K. Singh, “Industrial Instrumentation and Control”, Tata McGraw Hill, 2ndEdition, 2016. Martin U. Reissland, “Electrical Measurement – Fundamental Concepts and Applications”, NewAge International (P) Ltd., 2015. H. S. Kalsi, “Electronic Instrumentation”, Tata McGraw-Hill, New Delhi, 2014. M. M. S. Anand, “Electronics Instruments and Instrumentation Technology”, Prentice Hall India, New Delhi, 2012.
Text Book:
E. W. Golding and F. C. Widdis, “Electrical Measurements & Measuring Instruments”, A. H. Wheeler & Co., 2016. (UNIT I – IV) A. K. Sawhney, “A Course in Electrical & Electronic Measurements & Instrumentation”, DhanpatRai& CO., New Delhi, 2017. (UNIT I – V)
