CETA Crawler
The CETA crawler is an ultrasonic crawler for mapping storage tank wall thickness from the outside, supplied in Malaysia by Asia NDE.
Remote-controlled magnetic ultrasonic crawlers (CETA S and CETA L) that map storage tank wall thickness from the outside every 1mm, meeting API 653.
Overview
Key advantages
- Automated corrosion scanning of storage tank walls.
- Meets the requirements of API 653.
- Thickness readings every 1mm with better than 0.1mm accuracy.
- Automatic data capture and positioning.
- All A-scans stored in a database for recall and post-processing.
- Moves at up to 200mm/s. Each side has its own drive, so it is easy to steer.
- Magnetic system passes over welds, rivets and other obstacles.
Overview
The CETA crawlers from Tecnitest scan the walls of large storage tanks from the outside, using ultrasonics to map the wall thickness profile while the operator controls the crawler remotely from a control box. Real-time display shows A-scan data with switchable thickness or amplitude B-scan, and a full suite of post-scan gate adjustments is available.
Models
- CETA S – passes over common welds thanks to its magnet system. Uses a single crystal 5 or 10MHz wheel probe that is virtually dry contact. View the CETA S brochure.
- CETA L – designed to pass over heavily riveted plates, with single probe, multi-element or up to 6 probe configurations. View the CETA L brochure.
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