Subject Code:55023 L:4 T/P/D:1 Credits:4 Int. Marks:25 Ext. Marks:75 Total Marks:100
UNIT I: I
Block Schematics of Measuring Systems, Performance Characteristics, Static Characteristics, Accuracy, Precision, Resolution, Types of Errors. Gaussian Error, Root Sum Squares formula. Dynamic Characteristics, Repeatability. Reproducibility. Fidelity, Lag; Measuring Instruments: DC Voltmeters, D'Arsonval Movement. DC Current Meters, AC Voltmeters and Current Meters. Ohmmeters, Multimeters, Meter Protection, Extension of Range, True RMS Responding Voltmeters, Specifications of Instruments.
UNIT II: Electronic Voltmeters, Multimeters, AC, DC Meters. Digital Voltmeters:
Electronic Voltmeters, Multimeters, AC, DC Meters. Digital Voltmeters: Ramp Type, Staircase Ramp, Dual slope_ Integrating type, Successive Approximation Type, Auto ranging, 31/2, 33/4 Digit display, Pico ammeter, High Resistance Measurements, Low Current Ammeter, Applications; Signal Generators: AF, RF Signal Generators. Sweep frequency Generators, Pulse and Square wave Generators, Function Generators. Arbitrary waveform Generator, Video signal Generators, Specifications.
UNIT III: Signal Analyzers:
Signal Analyzers: AF, HF Wave Analyzers. Harmonic Distortion, Heterodyne wave Analyzers, Spectrum Analyzers, Power Analyzers, Capacitance-Voltage Meters, Oscillators.
UNIT IV: DC and AC Bridges:
DC and AC Bridges: Wheat stone Bridge. Kelvin Bridge, AC Bridges, Maxwell, Hay, Sobering, Wien, Anderson Bridges, Resonance Bridge. Similar Angle Bridge. Wagner’s' ground connection. Twin T, Bridged T Networks, Detectors.
UNIT V: Oscilloscopes:
Oscilloscopes: CRT, Block Schematic of CRO, Time Base Circuits, Lissajous Figures, CRO Probes. High Frequency CRO Considerations. Delay lines. Applications, Specifications.
UNIT VI: Special purpose oscilloscopes:
Special purpose oscilloscopes: Dual Trace, Dual Beam CROs. Sampling oscilloscopes. Storage oscilloscopes. Digital Storage CROs. Frequency Measurement, Period Measurement, Errors in Time/Frequency measurements, universal counters. Extension of range: Recorders: Strip-Chart. X-Y. Oscillographic recorders.
UNIT VII: Transducers:
Transducers: Classification, Strain gauges, Bonded, unbounded; Force and Displacement Transducers. Resistance Thermometers. Hotwire Anemometers, LVDT, Thermocouples, Synchros. Special Resistance Thermometers, Digital Temperature sensing system. Piezoelectric Transducers, Variable Capacitance Transducers. Magneto strictive Transducers.
UNIT VIII: Measurement of Physical Parameters:
Measurement of Physical Parameters: Flow Measurement. Displacement Meters, Liquid level Measurement, Measurement of Humidity and Moisture, Velocity, Force, Pressure - High Pressure, Vacuum level, Temperature -Measurements, Data Acquisition Systems.
TEXT BOOKS:
1. Electronic Measurements and Instrumentation - K. Lai Kishore, Pearson Education 2010.
2. Electronic Instrumentation: H.S.Kalsi -TMH, 2*Edition 2004.
REFERENCE BOOKS:
1. Electronic Instrumentation and Measurements - David A. Bell, Oxford Univ. Press, 1997.
2. Modern Electronic Instrumentation and Measurement Techniques: A.D. Helbincs. W.D. Cooper: PHI 5aEdition 2003.
3. Electronic Measurements and Instrumentation: B.M. Oliver, J.M. Cage TMH Reprint 2009.
4. Industrial Instrumentation: TR. Padmanabham Springer 2009.