Bevel and Digital Protractor


Bevel Protractor


A simple protractor is a basic device used for measuring angles with a least count of 1° or ½°. Bevel Protractor is an angular measuring instrument capable of measuring angles with a least count of  5’.

bevel scale

The protractor dial is graduated in degrees with every tenth degree numbered. The sliding blade is fitted into this dial I.e. it may be extended to either direction and set at an angle to the base.

This protractor dial may be locked in any position by means of the spacing in the vernier scale is made in such a way that the least count of it corresponds to 1/12th of a degree, which is equal to 5’.

vernier bevel protractor

The least count is the difference between one vernier division and two main scale divisions, which is 1/12° or 5′.

Sometimes, confusion arises regarding the direction in which the vernier has to be read. To eliminate the confusion we follow a simple rule. Always read the Vernier from zero in the same direction that you read the dial scale.

Digital Protractor


Digital Protractor measures an angle over 360 degrees with high accuracy of 0.1 degrees. Digital Protractor is very simple and easy to measure the angle by just putting between levels or surfaces.

Digital protractor mitutoyo


  1. Simple use.
  2. High accuracy and precision.
  3. Reliable and required very less space

Digital Protractor is costly than Bevel Protractor, and it is used where more accuracy and precision need to be considered like in Industries, Laboratories, Tool rooms, etc.

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