F Type
Magnetic Induction
(Iron Base)
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Measure the thickness of non-magnetic materials on magnetic materials
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Galvanizing layer, lacquer layer, porcelain enamel layer, phosphide layer, copper tile, aluminium tile, some alloy tile, paper etc
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NF Type
Eddy Current
(Aluminium Base)
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Measure the thickness of non-conductive coatings on non-magnetic metals
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Anodizing, varnish, paint, enamel, plastic coatings, powder, etc. Applied to aluminum, brass, non-magnetic stainless steel, etc
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