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Publication date

July 2013

Number of pages

24 p.

Reference

NF ISO 2971

ICS Codes

65.160 Tobacco, tobacco products and related equipment

Classification index

V37-012

Print number

1 - 17/06/2013

International kinship

ISO 2971:2013

Sumary

Cigarettes and filter rods - Determination of nominal diameter - Method using a non-contact optical measuring apparatus

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.

Replaced standards (1)

NF ISO 2971

October 1998

Standard Cancelled

Cigarettes and filter rods. Determination of nominal diameter. Method using à laser beam measuring apparatus.

Le présent document spécifie une méthode de détermination des diamètres moyen, minimal et maximal ou de l'ovalisation des objets cylindriques de section droite ou ovale par calibrage sans contact au moyen d'un faisceau laser. La méthode est applicable, en particulier, aux cigarettes et aux bâtonnets-filtres. D'autres techniques de mesurage employant des rubans mesureurs ou un circuit pneumatique à pont de mesurage sont décrites en annexe informative à ce document.

Table of contents

Avant-propos
iv
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
1
4 Principe
2
5 Appareillage
2
6 Échantillonnage
3
7 Mode opératoire
4
7.1 Préparation des éprouvettes
4
7.2 Réglage et étalonnage
4
7.3 Mesurage
4
8 Expression des résultats
4
9 Répétabilité et reproductibilité
5
10 Rapport d'essai
5
Annexe A (normative) Piges étalons
7
Annexe B (informative) Principe de mesure et nombre de balayages requis
8
Annexe C (informative) Informations sur les éventuelles sources d'erreur de mesure
10
Annexe D (informative) Techniques de mesure sans contact
12
Annexe E (informative) Variantes de technique de mesure pour la détermination du diamètre nominal des cigarettes et bâtonnets-filtres
15
Annexe F (informative) Protocole pour l'essai interlaboratoires de l'ISO/TC 126/SC 1/WG 2 portant sur l'incertitude de mesure du diamètre
17

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