Calipers are precision instruments that can measure both internal and external ranges/distances with very high accuracy. The measurement results are interpreted by the operator using the instrument scale. Manual calipers have two scales, the main scale and the vernier.
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SES DesignTechnology on X: Whilst we enjoy the ease of using a digital vernier caliper can you read a manual vernier caliper? Work out the dimension in mm to 2 decimal places!
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