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Polariscope Strain Viewer for Glass & Plastic (PSPL – G20)

PSPL - G20

Presto manufactures and designs the Polariscope Strain Viewer for Glass & Plastic that is based upon the photoelastic technique. The testing procedure is performed by passing the polarised light through the glass or plastic sample. The test helps to interpret the quality and quantity measurement with an optical interference pattern. The instrument is effective to measure the residual stress in glass products and to perform strain measurement in mouldings, castings or extrusions.



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    • Working Space: 290mm and 440mm (Adjustable)
    • The diameter of Viewing Field: 190mm
    • Power Supply: Single Phase, 5Amp., 220V -240V Ac, 50 Hz
    • The option of tilting the viewing area: Upto 180o
    • Outer Body Construction: Bakelite
    • Light Source: 2 Pin Fluorescent 9W cool while lamps.

    • Sharper and clearer optical viewing experience.
    • Large Viewing glass area.






2 Reviews of Polariscope Strain Viewer for Glass & Plastic (PSPL – G20)

  1. Vikas Shandilya
    13 Feb, 2016

    I have purchased Polariscope Strain Viewer for Glass & Plastic (PSPL – G20). The instrument is very easy to operate. The instrument offers highly accurate test results. It is designed with latest and highly sophisticated features.

  2. Krishana Bhoumik
    24 Feb, 2016

    A good tool to check the residual stress in glass. The polariscope strain viewer is best for the glass industries as it can detect even the minor flaw in your product. The tool is made of with great features and is a good example of advanced machine.

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