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Mechanical - Metrology and Measurements - Linear and Angular Measurements

Technical Terms in Linear and Angular Measurements

   Posted On :  23.09.2016 01:57 pm

Mechanical - Metrology and Measurements - Linear and Angular Measurements

 

TECHNICAL TERMS

 

 

· Comparators

 

Comparators are one form of linear measurement device which is quick and more convenient for checking large number of identical dimensions.

 

 

· Least count

 

The least value that can be measured by using any measuring instrument known as least count. Least count of a mechanical comparator is 0.0 1 mm.

 

 

· Caliper

 

Caliper is an instrument used for measuring distance between or over surfaces comparing dimensions of work pieces with such standards as plug gauges, graduated rules etc.

 

 

· Interferometer

 

They are optical instruments used for measuring flatness and determining the length of the slip gauges by direct reference to the wavelength of light.

 

 

· Sine bar

 

Sine bars are always used along with slip gauges as a device for the measurement of angles very precisely.

 

 

· Auto-collimator

 

Auto-collimator is an optical instrument used for the measurement of small angular differences, changes or deflection, plane surface inspection etc.

 

Tags : Mechanical - Metrology and Measurements - Linear and Angular Measurements
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