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Polariscope Strain Viewer – DX (PPS-400)

Presto presents Polariscope Strain viewer, a high-quality testing instrument that is used for checking the quality of PET preforms. It works on the principle that any change in the refractive index of a material indicates strain in that material which affects the quality of the material.

Presto offers two models of Polariscope for preform equipment namely, Polariscope DX and Polariscope Computerized that are made from best quality of raw materials for long service life and high level of precision. Presto offers a variety of sizes and designs Polariscope for glass and preform according to requirements of our clients.

Presto’s Polariscope is a strain viewer for glass and PET Preform that is provided with a metallic base and is painted in autumn gray and blue colour. Along with that, it is also provided with zinc/chrome plating which provides the equipment, excellent resistance from corrosion. A user manual and a calibration certificate are provided with the instrument which is traceable to Labs approved by NABL. With these features and specifications, Presto offers a robust and precise solution to check the quality of the PET preforms used in plastic industry and that also at very competitive prices.



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    • The Polariscope DX model is supplied complete with:
    • Viewing Area: 260 * 240 mm
    • Display: LED (Digital)
    • Power: 220V, Single phase, 50 Hz
    • Lights : CFL Light, Sodium Light
    • Standard Template Measuring Angle: 45º and 90º

    • Two light intensity offered: Monochromatic light and Sodium Lamp.
    • Sharper and clearer optical viewing experience.
    • Standard Template for viewing a sample at a 45º and 90º angle.
    • Large Viewing glass area.






2 Reviews of Polariscope Strain Viewer – DX (PPS-400)

  1. Naman Chaterjee
    16 Dec, 2015

    I used to manufacture preforms and was searching for best quality of Polariscope Strain Viewer that can help me to measure the quality of the glasses and PET bottles. The testing machine is very good and effective to determine the quality of the glasses and preforms. The device has user-friendly features and easy to operate. The viewing area of the device is clear and helps to view the sample clearly under polarized light. Thanks to Presto for manufacturing superior quality of products.

  2. Jeetender
    30 Dec, 2015

    One of the best ways to detect the defects in a PET preform. The instrument has allowed me to test the preforms with greater accuracy and easy operation.

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