Historical
ISO 2971:1998
Cigarettes and filter rods - Determination of nominal diameter - Method using a laser beam measuring apparatus
This International Standard specifies a non-contact, scanning laser beam method of gauging for determination of the mean, minimum and maximum diameters and the ovality of rod-shaped objects with a circular or oval cross-section. The method is applicable, in particular, to cigarettes and filter rods.
International Organization for Standardization [iso]