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Measurements and Instrumentation
Practical project ideas and implementations for hands-on learning
COMPARISON METHODS OF MEASUREMENTS
D.C and A.C Bridges
D.C and A.C Potentiometers
Deflection-type D.C. bridge
Electrostatic and Electromagnetic Interference
Grounding (or Earthing)
Interference and Screening
Maxwell bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages
Multiple Earth and Earth Loops
Null-type impedance A.C bridge
Schering Bridge: Definition, Circuit Diagram, Explanation, Advantages
Transformer Ratio Bridges & Self-Balancing Bridges
Wheatstone bridge (Null-type, D.C. bridge)
Wien bridge: Definition, Circuit Diagram, Explanation, Advantages
ELECTRICAL AND ELECTRONICS INSTRUMENTS
Ammeters & Multimeters
Electrodynamometer Type Instruments: Operating Principle, Control, Torque Equation, Errors, Advantages and Disadvantages
Electrodynamometer Wattmeters: Construction, Theory, Errors
Ferrodynamic Wattmeters
Instrument Transformers
Magnetic Measurements
Moving Iron Instruments: Classification, Construction, Torque Equation, Errors, Advantages and Disadvantages
Permanent Magnet Moving Coil Instrument (PMMC): Construction, Control, Torque Equation, Errors, Advantages and Disadvantages
Principle and Types of Analog and Digital Voltmeters
Rectifier Type Instruments
Single and Three Phase Wattmeters and Energy Meters: Construction and principle of operation
Three Phase Wattmeters
Types of Digital Voltmeter (DVM)
INTRODUCTION
Errors in Measurement
Functional Elements of an Instrument
Measurements and Instrumentation
Standard & Calibration
Static & Dynamic Performance Characteristics of an Instrument
Statistical Evaluation of Measurement Data
STORAGE AND DISPLAY DEVICES
CRT (Cathode Ray Tube) Display and its Parts
Data Logger: Definition, Components, Examples, Advantages, Applications
Digital Plotters and Printers
Digital Storage Oscilloscope: Block Diagram, Explanation, Advantages
LCD & Dot Matrix Display
LED-Backlit LCD Television
Magnetic Disk and Tape
Recorders
TRANSDUCERS AND DATA ACQUISITION SYSTEMS
Advantages and Disadvantages of Electrical Transducers
Advantages, Disadvantages and Applications of Data Acquisition Systems
Analogue-To-Digital Converters
Capacitive Transducers and its Application
Characteristics of Transducer
Classification of Electrical Transducers
Data Acquisition Systems and its Elements
Digital Transducers
Digital-To-Analogue (D/A) Conversion
Hall-effect transducers
Inductive Transducers
Optical Transducer
Piezoelectric Transducers
Resistance Thermometers: Construction, Advantages, Limitations
Resistance Transducers
Smart Sensors
Thermistors: Construction, Advantages, Limitations
Transducer Selection Factors
Transducers
