UT BASED
Time Of Flight Diffraction (TOFD)
Time of Flight Diffraction is an advanced ultrasonic inspection technique that is suitable for fast and reliable results. It is a technique which can simultaneously detect and size defects. TOFD inspection employs two longitudinal wave (L-wave) angle beam transducers arranged symmetrically opposite facing each other, whereby one probe acts like a transmitter of ultrasonic energy while the other probe receives the ultrasound energy. This inspection method is best suitable a wide range of applications such as inspection of piping and pressure vessels. This technology complies with the requirements of various industry standards (ASME, API, DNV, EN-ISO)
ADVANTAGES OF
TOFD
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Suitable for wide range of materials including plastics such as HDPE
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On stream inspection at temperatures exceeding 400°C
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Applicable on material thicknesses from 5 to 200 millimetres
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No harmful ionising radiation
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No need to interrupt production
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High Probability of Detection (POD)
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Exact information about indication length and depth
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Inspection data represented visually
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Direct interpretation of results
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Inspection data available in digital format
