EE3403 – MEASUREMENTS AND INSTRUMENTATION

UNIT – I: CONCEPT OF MEASUREMENTS 
Instruments: classification, application – Elements of a generalized measurement system
– Static and dynamic characteristics – Errors in measurement – Statistical evaluation
of measurement data.

UNIT – II: MEASUREMENT OF PARAMETERS IN ELECTRICAL SYSTEMS

Classification of instruments – moving coil and moving iron meters – Induction type,
dynamometer type watt meters – Energy meter – Megger – Instrument transformers
(CT & PT).

UNIT – III: AC/DC BRIDGES AND INSTRUMENTATION AMPLIFIERS 
Wheatstone bridge, Kelvin double bridge – Maxwell, Hay, Wien and Schering bridges
– Errors and compensation in A.C. bridges – Instrumentation amplifiers.

UNIT – IV: TRANSDUCERS FOR MEASUREMENT OF NON-ELECTRICAL
PARAMETERS 
Classification of transducers – Measurement of pressure, temperature, displacement,
flow, angular velocity – Digital transducers – Smart Sensors.

UNIT – V: DIGITAL INSTRUMENTATION
A/D converters: types and characteristics – Sampling, Errors – Measurement of voltage,
Current frequency and phase – D/A converters: types and characteristics – DSO – Data
Loggers – Basics of PLC programming and Introduction to Virtual Instrumentation –
Instrument standards.