COBRA Scanner

    COBRA Scanner

    Cobra-S
     

    Features:

    • Covers standard pipes from 0.84 in. to 4.5 in. OD (21 mm to 114 mm).
    • Operates within 12 mm (0.5 in.) clearance (on all standard pipes), permitting inspections in limited access areas.
    • Holds up to two phased array probes for complete weld coverage in one pass.
    • Easy installation and manipulation from one side of a row of pipes.
    • Can be configured to perform one-sided inspections for pipe-to-component evaluations.
    • The included mechanical setup templates eliminate the need for pipe samples when preparing the scanner for standard pipes.
    • The design provides stable and constant pressure around the full circumference of the pipe.
    • Urethane wheels provide smooth radial movement and limited axial drift.
    • Encoder resolution of 32 steps/mm.
    • Compact, lightweight, and portable.
    • Wedges and probes can be changed quickly and easily.
    • The distance between probes can be adjusted from 0 mm to 55 mm.
    • The spring-loaded scanner can be used on ferromagnetic and nonferromagnetic pipes.
    • Waterproof and rust free.

    The COBRA® manual scanner, combined with the OmniScan® PA flaw detector, is used to perform circumferential weld inspections on small-diameter pipes. The COBRA scanner holds up to two PA probes for inspections on pipes with outside diameters ranging from 0.84 in. to 4.5 in.

    With its slim design, this manual scanner inspects pipes in limited ac­cess areas where minimal clearance is required. Adjacent obstructions, such as piping, supports, and structures, can be as close as 12 mm (0.5 in.). This spring-loaded scanner is designed to clasp carbon steel and stainless steel pipes of various diameters using multiple links. This unique feature enables the scanner to be installed and operated from one side of a row of pipes.The COBRA scanner is characterized by its smooth-rolling encoded movement, which enables precise data acquisition. The scanner holds up to two phased array probes for complete inspection of the weld in one pass. For pipe-to-component inspections, the scanner can be configured quickly to perform one-sided inspections using a single probe.

    This Olympus solution uses low-profile phased array probes with optimized elevation focusing, which enhances detection of small defects in thin-wall pipes. Specially designed low-profile wedges fitting each pipe diameter covered by the scanner are also available for a complete solution. The COBRA scanner ensures stable, constant, and strong pressure, thus providing good UT signals and precise encoding around the full circumference of the pipe.

    The COBRA solution can be used with different probes, depending on the application. Phased array, TRL dual linear array, and TOFD ultrasound techniques can be performed using the following probe options:
     


    PA Probe

     

    The solution uses low-profile phased array probes with optimized elevation focusing, which improves the detection of small defects in thin-wall pipes.

    PA Probe

    The COBRA scanner can also be configured for pipe-to-component weld inspections.


    PA Probe

    Wedges for TOFD inpection are also available.

    PA Probe

    The A25 dual linear array probe (DLA) series is designed to inspect austenitic material that cannot be otherwise inspected using an A15 probe in pulse echo.

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