• Part #: 157-101

    Optical Parallels  - Metric

    Optical Parallels - Metric

    Manufacturer: Mitutoyo

    Range/Size: 0-25mm

    Price: $125.56 

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    Product Description:

    The Mitutoyo 157-101 has a range of 0-25mm and the parallels are 12mm thick.


    • Designed to inspect parallelism and flatness of measuring faces of micromters.
    • Each set consists fo 4 thickness.
    • Supplied in fitted wooden case.

    Technical Data

    • Flatness: 0.1Ìm / .000004"
    • Parallelism: 0.2Ìm / .000008"
    • Diameter: 30mm / 1.18"
    • Parallelism Check between Measuring Faces by Means of Interference Fringe Produced by an Optical Parallel
    • The parallelism between the measuring faces can be determined as follows; place the optical parallel to the anvil and observe the number of interference fringes produced on the spindle side under the measuring force of the micrometers.
    • The parallelism is about 1Ìm (0.32Ìm x 3 = 0.96Ìm).
    • Fringe on the anvil side must not be more than one.

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