Measurement and gauges
Measure parts reliably: choose a tool with enough resolution, read vernier calipers and micrometers, use go/no-go gauges, check calibration status, and understand accuracy and precision.
- Level
- Intermediate
- Length
- About 50 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 1 Oct 2026
Skills you'll practise
- Choose a measuring tool whose resolution suits the tolerance
- Read a metric vernier caliper and a metric micrometer correctly
- Use go/no-go gauges and interpret the result
- Check calibration status and explain the difference between accuracy and precision
Course outline
- 1.Measurement and gaugesVideo · 2 min
- 2.Choosing the right measuring toolLesson · 16 min
- 3.Reading calipers and micrometersLesson · 18 min
- 4.Gauges, recording and resolving disagreementsLesson · 16 min
- 5.Measurement and gauges: knowledge checkKnowledge check · 22 questions
- 6.Pass or fail?Scenario
- 7.Final exam8 questions · passing it completes the course, so people who already know the material can test out
Sources it draws on
The lessons and questions are written from these references, so learners can go back to the original.
- General dimensional metrology practice
- Measuring-instrument manufacturers' instructions
- Your site's calibration procedure and inspection plans
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