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  • JF-1A Surface Stress Meter

    JF-1A Surface Stress Meter
    JF-1A Glass Surface Stress Meter is applied for measuring the surface stress of thermally toughened glass and heat‐strengthened glass.

  • JF-3A Surface Stress Meter

    JF-3A Surface Stress Meter
    JF-3A is the basic version of JF-3 series glass surface stress meter. It is an all manual operated device.

  • JF-3B Surface Stress Meter

    JF-3B Surface Stress Meter
    JF-3B Glass Surface Stress Meter is applied for measuring surface stress of thermally toughened glass heat-strengthened glass on the tin side.

  • JF-4 Surface Stress Meter

    JF-4 Surface Stress Meter
    JF-4 Series Glass Surface Stress Meter is applying for chemically tempered glass and thermally tempered glass surface stress measurement.

XBeijing Jeffoptics Co.,Ltd.

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