801-03 - Micrometers

801-03 - Micrometers

Learning objectives

  • Identify common types of micrometers
  • List the major components of micrometers
  • Demonstrate how to take an accurate reading with an outside micrometer
  • Explian how to properly read the scale on an English scale micrometer, a metric scale micrometer, and a vernier micrometer
  • Demonstrate how to take an accurate reading with an inside micrometer
  • Demonstrate how to take an accurate reading with a depth micrometer

Course overview

A micrometer is widely used in machining and maintenance operations. It precisely measures block thickness, the outer and inner dimensions of shafts, and slot depth. Learning to take accurate readings with a micrometer is critical in precision machining and maintenance work.

The Micrometers online training course introduces common micrometer types, their components, and how to correctly take measurements. It covers outside, inside, and depth micrometers. It also explains reading English scale, metric scale, and vernier micrometers.

This course is part of the Precision Measurement series.


The individuals involved in the development and promotion of this course do not receive any compensation or financial benefits outside of their regular employment for their work on this course.


  • 60 minutes
  • Format: Online Interactive
  • English
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