Duplex Measurement

Duplex measurements on sheet metal with electrolytically or slight hot-dip galvanized coatings.

Determining the single coating thicknesses at the duplex measurement using the phase sensitive eddy current and the magnetic induction test methods.
Determining the single coating thicknesses at the duplex measurement using the phase sensitive eddy current and the magnetic induction test methods.

Functional principle

The magnetic induction test method and the phase sensitive eddy current test method are used for measuring duplex coatings with thin zinc coatings (typical between 5 and 20 μm respectively 0.2 to 0.79 mils). The two test methods are used parallel such that in one measurement step, the individual coating thickness of paint and zinc are computed and displayed from the two measured readings. Duplex coatings with hot-dip galvanized zinc coatings without pronounced zinc-iron diffusion zone can also be measured with these test methods.

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Partner of Industrial Segments
Sigma Enterprises WLL
PO Box 15784, Alfardan Center, Grand Hamad Street, Doha
Phone: +974 44622614
E-Mail: Manuel.Ramalho@sep.qa
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Qatar Scientific Co WLL
PO Box 41243, Office # 511, 5th Floor Al Retaj Business Center, Rawdat Al-Khail Area B-Ring Road, Doha
Phone: +974 4462 1165
E-Mail: afifi@qsneoscience.com
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