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  • Pulsed Eddy Current Technique

    • PECT is an advance electromagnetic inspection technology which majorly detect corrosion hidden under insulation in ferrous material. It is an effective method of quantifying defects in multi-layer structure.
    • PECT use square pulse signal to induced eddy current. PECT can penetrate more deeply in magnetic material than ECT(Eddy Current Technique).
    • PECT can also measures the thickness of object.
    Probes

    PECT can measure thickness through following things :
    All insulation materials, coatings, fixed chicken wire, concrete, re-bars,corrosion product, stainless steel sheeting, aluminum sheeting, water marine growth, blistering scabs, through metallic mesh.

    Application of PECT:
    • Corrosion under insulation on piping, vessels/columns skirts.
    • Corrosion under fireproofing of supports legs of storage spheres.
    • Flow accelerated corrosion.
    • Repair Wrap.
    • Remaining ligament underneath corrosion scabs.

    Telescopic Poles

    Advantages
    • Cost for removal of insulation and re insulation is saved.
    • Reduced Inspection Time resulting in high productivity.
    • Grid mapping mode 2 to 10 time faster (usually <1 s).
    • Less operator dependent.
    • Less affected by liftoff variations, weather jacket overlap, straps.
    • Better detection of small defects.
    • Unaffected by structures above probes.
    • 6 meter length of telescopic pole enables to minimize scaffolding requirement.