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Video Lessons
A12 - Sensors and Transducers
Objectives
Study Materials
Module 1
- Transducers: Definition, Principle of sensing & transduction
- Classification
- Characteristics of transducers
- Basic requirement of transducers
- Resistance Transducer: Basic principle
- Potentiometer –Loading effects
- Resistance strain gauge–Types
- Inductance Transducer: Basic principle
- Linear variable differential transformer (LVDT)
- Rotary variable differential transformer (RVDT)
- Capacitance Transducer: Basic principle
Transducers using change in area of plates –distance between plates-variation of dielectric constants –Types
Module 2
Module 3
Module 4
- Bernoulli's Principle and Continuity
- Flow Meter - Orifice plate, Nozzle plate, Venture tube, Rotameter.
- Anemometers, Electromagnetic flow meter.
- Radiation sensors: LDR, Photovoltaic cells, Photodiodes, Photo emissive cell
- Sound Transducers: Sound level meter, Microphone.
- Hall effect transducers
Video Lessons
Module 1
Module 2
Module 3
Module 4
Text Books & References
Textbooks
- D Patranabis, Sensors and Transducers, PHI, 2ndEdition.
- E. A. Doebelin, Measurement Systems: Application and Design McGraw Hill, NewYork
References
- A.K. Sawhney,-A course in Electrical & Electronic Measurementand Instrumentation, DhanpatRai and Company Private Limited.
- Murthy D.V.S., ―Transducers and Instrumentation, 2nd Edition, Prentice Hall of India Private Limited, New Delhi,2010.
- S.Renganathan, ―Transducer Engineering, Allied Publishers,2005