• Part #: 157-902

    Optical Parallels Set # 157-902

    Optical Parallels Set # 157-902

    Manufacturer: Mitutoyo

    Range/Size: 1-2"

    Price: $1,281.40 

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    Product Description:

    The Mitutoyo 157-902 is a set of parallels made up of the following :

    • 157-113
    • 157-114
    • 157-115
    • 157-116

    Features:

    • 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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