COMPACT STRAIN VIEWER  (Ref. S-70)
FOR ASSESSING THE RESIDUAL STRESSES IN SMALL GLASS PRODUCTS

 

 

 

 

This Sharples Strain Viewer has been developed specifically for the inspection of stresses in small glass components such as light bulbs, precision glassware,ampoules and miniature bottles and jars.

The compact bench-top instrument has a 117mm diameter viewing field and basically comprises a light source, an analyser and a polariser with tint plate.

The optical field incorporates a high quality tint plate which, together with a white light source, provides an evenly illuminated field which is free from 'banding'.


Magnifying glass 'stress' pattern

Small glass products for examination in polarised light may be hand- held or supported in a suitable fixture.

For the comfort and convenience of operatives, the strain viewer can be provided with a removable tilt base.

  

Dimensions (without tilt base)
Vertical working space......135mm
    Overall height.........260mm
Width..............................150mm     Depth....................163mm
Weight............................ 3.25kg

 

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