EI2252-TRANSDUCER ENGINEERING |
SCIENCE OF MEASUREMENTS AND INSTRUMENTATION OF
TRANSDUCERS |
Units and standards – Calibration methods – Static calibration – Classification of errors – Error analysis – Statistical methods – Odds and uncertainty – Classification of transducers – Selection of transducers. |
CHARACTERISTICS OF TRANSDUCERS |
Static characteristics – Accuracy, precision, resolution, sensitivity, linearity -Dynamic characteristics – Mathematical model of transducer – Zero, I and II order transducers. Response to impulse, step, ramp and sinusoidal inputs. |
VARIABLE RESISTANCE TRANSDUCERS |
Principle of operation, construction details, characteristics and application of potentiometer, strain gauge, resistance thermometer, Thermistor, hot-wire anemometer, piezoresistive sensor and humidity sensor. |
VARIABLE INDUCTANCE AND VARIABLE CAPACITANCE RANSDUCERS |
Induction potentiometer – Variable reluctance transducers – EI pick up – Principle of operation, construction details, characteristics and application of LVDT –Capacitive transducer and types – Capacitor microphone – Frequency response. |
OTHER TRANSDUCERS |
Piezoelectric transducer, Hall Effect transducer – Different types of Photo detectors- Digital transducers – Smart sensors - Fibre optic sensors, SQUID sensors, Film sensors, MEMS – Nano sensors. |
REFERENCE |
Text Books |
1. E.A. Doebelin, ‘Measurement Systems – Applications and Design’, Tata McGraw Hill, New York, 2000.
2. A.K. Sawhney, ‘A course in Electrical & Electronic Measurement and Instrumentation’, Dhanpat Rai and Co (P) Ltd., 2004. |
Reference Books |
1. D. Patranabis, ‘Sensors and Transducers’, Prentice Hall of India, 1999.
2. John P. Bentley, ‘Principles of Measurement Systems’, III Edition, Pearson Education, 2000. |
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