ISO 2971:2013 Preview
Cigarettes and filter rods -- Determination of nominal diameter -- Method using a non-contact optical measuring apparatus
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
ISO 2971:2013 specifies a non contact, optical method of gauging for determination of the mean, minimum and maximum diameters and the ovality (or roundness) of rod-shaped objects with a nominally circular or oval cross section that is convex curvilinear. The method is applicable, in particular, to cigarettes and filter rods.
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