Dial Indicators

Identify the?purpose and the basic components of dial indicators.

Prerequisites

None

Description

This is the final lesson in the iKNOW® Precision Measuring Instruments Library. This lesson describes the purpose and the basic components of dial indicators. The lesson also provides? procedures for properly using dial indicators to measure the dimensions of an object.

Objectives

List some of the common uses of a dial indicator, Explain how a dial indicator works, Explain how to determine if a reading is positive or negative, Describe the procedure for determining if a dial indicator is positioned properly, Describe how to determine if the dial indicator is secure, Measure small changes in dimension by using a dial indicator, Define ??runout? and?Record and calculate runout.