Units and the least count

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• 9 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Precision measurement in the metal workshop
2. Precision measuring tools
3. Units and the least count
4. The vernier caliper: parts
5. The vernier caliper: reading
6. The vernier caliper: using it
7. The vernier caliper: care and maintenance
8. The micrometer screw gauge: parts
9. The micrometer: reading
10. The micrometer: using it
11. The micrometer: care and maintenance
12. The vernier height gauge: parts
13. The vernier height gauge: using it
14. Zero error, accuracy and safe use