Unit 1- Introduuction to EM; Definition, types, need of inspection, terminologies,
Methods of measurement, measurement errors, units, measurement standards.
Linear measurements VC; Micrometer
Comparators
Comparators
SG & Angular Measurements- Sine bar
Optical Instruments
Surface finish metrology Instruments
Surface finish metrology Instruments
Unit 2; Screw Thread Metrology; Terminology, Progressive & Periodic error,
Measurement of major, minor and effective diameter.
Effective diameter derivation
Gear Metrology & Errors
Gear tooth thickness measurement
Gear tooth thickness measurement
Parkinson Gear Tester
Measuring Machines & Screw Thread Revision
Measuring Machines
Unit 3 Measurement Introduction; Generalized measurement system, Static & Dynamic characteristics of instruments,
Generalized measurement system, Static & Dynamic characteristics of instruments,
Basic transducer elements. Displacement measurement - Strain gauge, types & applications.
Speed, force and power measurement- Tachometer (hand speed indicator- drag cup tachogenerator), Digital methods- stroboscope, Seismic
Load cell (hydraulic, pneumatic, strain gauge concept), Elastic elements (Diaphragm- Spring- Proving ring),
Torque measurement of rotating shaft – strain gauge concept, stroboscope, Inductance torque transducer-digital method),
Torque measurement of rotating shaft – strain gauge concept, stroboscope, Inductance torque transducer-digital method),
Unit 4 Pressure Measurement Introduction, Basic elements
Electro-mechanical transducers, Potentiometric Transducer & Low pressurements
Special Devices - LP Measurement
Temperature Measurements & Instruments; Bi-metallic Strip, Thermistor, RTD & Numericals
Temperature Measurements & Instruments; Thermocouple & Numericals
Temperature Measurements & Instruments; IR thermometer
