UNIT 1:
Introduction to metrology: Definition, types, need of inspection, terminologies, methods of measurement, selection of instruments, measurement errors, units,Measurement standards, calibration, statistical concepts in metrology Linear metrology: Steel rule, calipers, vernier caliper, vernier height gauge, vernier depth gauge, micrometers, universal caliper

UNIT 2:
Limits fits and tolerances : Interchangeability, selective assembly, limits, fit and tolerances, limit gauging, design of limit gauges, computer aided tolerancing Measurement of straightness, flatness, squareness, parallelism, roundness and cylindricity, noncontact profiling systems

UNIT 3:
Measurement of surface finish: Introduction, terminology, specifying roughness on drawings, surface roughness parameters, factors affecting surface roughness, ideal surface roughness, roughness measurement methods, precautions in measurement, surface microscopy, surface finish softwares.
Screw thread metrology: Introduction, screw thread terminology, screw thread measurement.

UNIT 4:
Gear measurement: Introduction, types of gears, gear terminology, errors in gears, advanced measurement of spur gear.
Miscellaneous measurements: Taper measurement, angle measurement, radius measurement
Interferometry: Principle of interference, interference bands, interference patterns, flatness interferometer, Gauge length interferometer

UNIT 5:
Comparator: Features of comparators, classification of comparators, different comparators, advanced comparators, thread comparators.Advanced Metrology : Advanced measuring machines, CNC systems, Laser vision, In-process gauging, 3D metrology, metrology softwares