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Non-destructive Testing  > Conventional & Advanced NDT > Alternating Current Field Measurement (ACFM)

Alternating Current Field Measurement (ACFM)

Alternating Current Field Measurement (ACFM) is an electromagnetic testing method that introduces an alternating current into the surface of the component, in order to detect surface-breaking cracks. The presence of a crack disturbs the electromagnetic field, and the return signal is instantaneously converted by advanced mathematical techniques. The operator is then alerted to the presence of a defect.

Underwater inspections and immediate defect sizing and recording, are the major benefits when compared to alternative NDT methods.

EQS Global is an Accredited Non-Destructive Testing Laboratory and an independent and certified inspection company, offering a full range of services dedicated to inspection and testing, and the necessary knowledge to support its clients throughout the assets’ lifecycle.

EDP Renewables has been working with EQS Global for some years. In this project, Windfloat, I think I can easily characterize the relationship with EQS Global in a few words, namely, trust, availability, commitment and, above all, professionalism.

EDP Renewables 2020
José Pinheiro
Project Director | EDP Renewables | Renewables,
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