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N Scheme Syllabus

This document outlines the detailed syllabus for the basics of instrumentation course. The syllabus covers five units: 1) fundamentals of instrumentation including definitions, block diagrams and types of errors; 2) performance characteristics of instruments such as static and dynamic characteristics; 3) transducers and sensors including classifications and characteristics; 4) mechanical transducers including pressure, temperature and flow devices; and 5) electrical transducers such as resistive, inductive, capacitive and piezoelectric transducers. Construction, working principles and applications are discussed for various transducers and sensors.

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91 views1 page

N Scheme Syllabus

This document outlines the detailed syllabus for the basics of instrumentation course. The syllabus covers five units: 1) fundamentals of instrumentation including definitions, block diagrams and types of errors; 2) performance characteristics of instruments such as static and dynamic characteristics; 3) transducers and sensors including classifications and characteristics; 4) mechanical transducers including pressure, temperature and flow devices; and 5) electrical transducers such as resistive, inductive, capacitive and piezoelectric transducers. Construction, working principles and applications are discussed for various transducers and sensors.

Uploaded by

rajabalan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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4042330 – BASICS OF INSTRUMENTATION

DETAILED SYLLABUS

UNIT1 FUNDAMENTALS OF INSTRUMENTATION


Definition – Measurement, Instrument, Instrumentation system. Generalized Functional
block diagram of an Instrumentation system – Examples – Bourdon tube pressure gauge,
Pressure Thermometer. Definition – Standards, Primary, Secondary and Working Standards –
Definition – Limiting Error, Relative error, Calibration, Zero error, Backlash error- Classification
of errors – Gross error, Systematic error, Random error.
Statistical analysis of test data – Arithmetic mean, Deviation, Standard Deviation, Variance,
Simple problems.

UNIT2 PERFORMANCE CHARACTERISTICS OF INSTRUMENTS


2.1. Static Characteristics
True value, static Error, static correction, Range, Span, Accuracy, Precision, Significant
of figure, Range of doubt, Dead time, Dead zone, Hysteresis, Threshold, Resolution, Sensitivity,
Linearity, Reproducibility, Stability, Loading effect, Input impedance and Output impedance.
2.2. Dynamic Characteristics
Speed of response, Measuring lag, Fidelity and Dynamic error. Standard Test input
signals - Dynamic response – Steady state and Transient response.

UNIT3 TRANSDUCERS AND SENSORS


Transducer – Definition, classification – Primary and Secondary transducer, Active and
Passive transducer, Analog and Digital transducer, Transducer and Inverse Transducer (with
one example for each classification). Characteristics of transducer – Input characteristics,
Output characteristics and transducer Response. Factors to be considered in the selecting of
Transducers. Electrical Transducer- Advantages of electrical Transducer over Mechanical
Transducer.
Sensors – Pressure Sensor, Proximity and Displacement sensor, Magnetic sensor, Bio
sensor, Hall-effect sensor, Optical sensor.

UNIT4 MECHANICAL TRANSDUCER


Definition- Mechanical pressure transducer - Elastic element – Bourdon tube, Bellows,
Diaphragms. Manometers – U Tube manometer, Well type manometer, Barometer, Inclined
tube manometer, Ring balance manometer, Micro manometer, manometric fluids-Construction,
Principle, Working and Applications only –Thermal detectors – Liquid in glass thermometer,
Filled system thermometer, Bi-metallic thermometer- Construction, Principle, Working and
Applications only.
Hydro-pneumatic elements – Venturi and Orifice - Construction, Principle, Working and
Applications only.

UNIT5 ELECTRICAL TRANSDUCER


Definition- Resistive Transducer-Potentiometer–types, Piezo- Resistive effect- Strain
gauge – types – bonded, unbounded, semiconductor strain gauge- Resistance Temperature
Detector - Thermo-couple, Thermistor, Thermo-diodes and transistors – Construction, Principle,
Working and Applications only. Variable Inductance Transducer - LVDT, Variable capacitance
transducer - Construction, Principle, Working and Applications only.
Piezo-electric Transducer – Piezoelectric effect, materials, Modes of operation, Properties of
Piezoelectric crystals, Equivalent circuit – Applications.

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