SS-EN-ISO-3543 Metallic and non-metallic coatings - Measurement of thickness - Beta backscatter method (ISO 3543:2000)

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 EDITION 2 - Jan. 12, 2001
 ED. 1 CORRIGENDUM 1 - Oct. 2, 2006

WARNING Beta backscatter instruments used for the measurement of coating thicknesses use a number of different radioactive sources. Although the activities of these sources are normally very low, they can present a hazard to health, if incorrectly handled. Therefore, reference should be made to current international and national standards, where these exist. This International Standard specifies a method for the non-destructive measurement of coating thicknesses using beta backscatter gauges. It applies to both metallic and non-metallic coatings on both metallic and non-metallic substrates. To make use of this method, the atomic numbers or equivalent atomic numbers of the coating and the substrate need to differ by an appropriate amount. NOTE Since the introduction of the X-ray fluorescence method (ISO 3497), the beta backscatter method has been used less and less for the measurement of coating thickness. However, because of its lower cost, it is still a very useful method of measurement for many applications. In addition it has a wider measuring range.

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Designation Name

SS-EN ISO 3543

Revision Level




Publication Date

Jan. 12, 2001



Page Count


International Equivalent

EN ISO 3543:2000 IDT* ISO 3543:2000 IDT