Inaccessible Area Inspection

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A single sensor performs NDT pipe inspections circunferentially reflections up to 3m-10’ in front of the sensor. The technique is mainly used for detection of corrosion under supports (as a complement to the axial inspection technique), inspection of lamp posts, inspection of air-to-soil or air to cement interfaces or any area where the pipe or structure is not accessible.


  • Non-Contact EMAT technique.
  • Circumferential scanning provides axial inspection of the pipes.
  • Complements circumferential scanning during inaccessible pipe inspection.
  • Different wave modes permit penetration under cement and any type of coating.
  • Complements LRUT by providing accurate detection from 75mm (3”) to 3m (10’) in front of the sensor.
  • Available for pipes up to 1” in thickness.
  • Detects corrosion and pits as small as 1/10th of pipe thickness.


Check this paper to know more about inspection of inaccesible areas:
Inspection of lamp posts and other non-accessible areas with EMAT Medium Range Guided Waves.