EE2201 MEASUREMENTS AND INSTRUMENTATION Lecture Notes for EEE - Third (3rd) Semester -by R.Anirudhan
EE2201 MEASUREMENTS AND INSTRUMENTATION Lecture Notes for EEE - Third (3rd) Semester
EE2201 Lecture Notes
UNIT I INTRODUCTION
Functional elements of an instrument – Static and dynamic characteristics – Errors in measurement
– Statistical evaluation of measurement data – Standards and calibration.
UNIT II ELECTRICAL AND ELECTRONICS INSTRUMENTS
Principle and types of analog and digital voltmeters, ammeters, multimeters – Single and three
phase wattmeters and energy meters – Magnetic measurements – Determination of B-H curve and
measurements of iron loss – Instrument transformers – Instruments for measurement of frequency
UNIT III COMPARISON METHODS OF MEASUREMENTS
D.C & A.C potentiometers, D.C & A.C bridges, transformer ratio bridges, self-balancing bridges.
Interference & screening – Multiple earth and earth loops - Electrostatic and electromagnetic
interference – Grounding techniques.
UNIT IV STORAGE AND DISPLAY DEVICES
Magnetic disk and tape – Recorders, digital plotters and printers, CRT display, digital CRO, LED,
LCD & dot matrix display – Data Loggers
UNIT V TRANSDUCERS AND DATA ACQUISITION SYSTEMS
Classification of transducers – Selection of transducers – Resistive, capacitive & inductive
transducers – Piezoelectric, optical and digital transducers – Elements of data acquisition system –
A/D, D/A converters – Smart sensors.
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