Chapter-13| Basics of Optical Measurement

Optical measurement provides a simple easy accurate and reliable means of carrying out inspection and measurement in the industry.

It is predominantly non-contact. So, once it is non-contact then, it gives you a flexibility of measuring very small resolutions.

Essential features of an optical instrument should have a light source, a condensing lens, a suitable table to position the work; work part then projection optics comprising lenses and mirrors then screen for viewing and then measuring and recording devices.

 A simple projector is a basic device used for measuring angles with optical magnification is one of the most widely used technique in metrology;

however, optics has 3 main applications in alignment application

  1. Interferometry
  2. Distance Measurement
  3. An absolute standard for length

tool maker’s microscope is the most commonly used one microscope in the shop floor.

Next, Chapter-14 | Basics of Force & Torque Measurement

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Preview, Chapter-12| Strain Measurement

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