Vernier Calipers (Construction & Working)

 Vernier Caliper: The Vernier Caliper is an instrument that can be used to measure internal and external distance extremely accurate.

Construction: It has both an imperial and metric scale. A Vernier caliper has main jaws that are used for measuring external diameter, as well as smaller jaws that are used for measuring the internal diameter of objects. Some models also have a depth gauge. The main scale is fixed in place, while the Vernier scale is the name for the sliding scale that opens and closes the jaw.

Working:

·         Place the object between the Jaws of the Vernier caliper.

·         Note the main scale reading by counting lines before the zero line of Vernier scale.

·         Count the next line of Vernier scale after zero coinciding main scale.

  Add the two reading for total.



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