Strain Viewer

Presto offers the high quality of Strain Viewer to control the quality of glass and plastic components. The device is used to view the strain patterns in a transparent material and clear glass during heating or manufacturing process. The machine has a large viewing field that enabled a clear view of the strain. The instrument is available as a deluxe model and computerized model.

The strain viewer uses natural lights and polarized light to check the strain and other properties of the glass materials. The testing sample is placed under natural light and then under the polarized light to check the crystallization and other properties. The operating principle of the instrument is that any change in refractive index is caused by different strain distribution leading to material’s lower transparency.

The device is available in a variety of specifications and sizes as per the client’s requirement. The machine provides the high definition pictures as a high-resolution HD camera is integrated. For reference, the defect images are loaded with the software. Photos of the test samples can be picked and placed with the standard images. This enables easy comparison. The user can get the reason of the defects with just a click.