EC9306 MEASUREMENTS AND INSTRUMENTATION LECTURE NOTES | FOR ECE - V SEMESTER |
UNIT I SCIENCE OF MEASUREMENT
Measurement System – Instrumentation – Characteristics of measurement systems –
Static and Dynamic – Errors in Measurements – Calibration and Standards.
UNIT II TRANSDUCERS
Classification of Transducers – Variable Resistive transducers – Strain gauges ,
Thermistor, RTD- Variable Inductive transducers- LVDT, RVDT,- Variable Capacitive
Transducers – Capacitor microphone- Photo electric transducers – Piezo electric
transducers – Thermocouple – IC sensors - Fibre optic sensors – Smart/intelligent
UNIT III SIGNAL CONDITIONING AND SIGNAL ANALYZERS
DC and AC bridges – Wheatstone, Kelvin, Maxwell, Hay and Schering.Pre- amplifier
– Isolation amplifier – Filters – Data acquisition systems. Spectrum Analyzers –
Wave analyzers – Logic analyzers.
UNIT IV DIGITAL INSTRUMENTS
Digital Voltmeters – Millimeters – automation in Voltmeter – Accuracy and Resolution
in DVM - Guarding techniques – Frequency counter- Data Loggers – Introduction to
IEEE 488/GPIB Buses.
UNIT V DATA DISPLAY AND RECORDING SYSTEMS
Dual trace CRO – Digital storage and Analog storage oscilloscope. Analog and
Digital Recorders and printers. Virtual Instrumentation - Block diagram and
architecture – Applications in various fields. Measurement systems applied to Micro
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