Telescoping And Thickness Gauges

Telescoping And Thickness Gauges


This is the third lesson in the Precision Measuring Instruments Course. This lesson describes the purpose and the basic components of telescoping gauges and thickness gauges.

Module Objectives

  • Measure the inside diameter of an object by using a telescoping gauge in conjunction with an outside micrometer.
  • Demonstrate the proper way to insert and remove a telescoping gauge.
  • Measure a clearance with a thickness gauge.
  • Explain how to double-check your measurements.


The lessons in Precision Measuring Instruments were designed for employees in all disciplines as well as for the multi-craft training needs of process and manufacturing facilities. In order to successfully complete these lessons participants should be familiar with whole number operations and decimals. This course describes the purpose and the basic components of some common precision measuring instruments. The course also provides procedures for properly using each of these instruments to measure the dimensions of an object.


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