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Vernier Caliper

Model Engineering Glossary: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

The vernier caliper provides the three basic functions of inner, outer and depth gauge. In all cases the measurement is read from the same scale.Vernier Caliper The vernier caliper is first set over the object to be measured with the caliper shut so that it is firm but not tight.


Vernier and Main Scale

The scale is then read by first taking note of where the zero mark on the vernier scale falls on the main scale. This is the number of complete divisions on the main scale. This is the whole number that should be noted. The fraction or decimal is then read from the vernier scale. This number is taken as the line on the vernier scale that aligns with any line on the main scale (see the two following examples).

Reading 3.3

This reads 3.3

Reading 5.6

This reads 5.6

See also: Review - Digital Caliper, Measuring Instrument - reviews, Tools.

Model Engineering Glossary: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z



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