NF EN ISO 22868
Forestry and garden machinery - Noise test code for portable hand-held machines with internal combustion engine - Engineering method (Grade 2 accuracy)
ISO 22868:2011 specifies a noise test code for determining, efficiently and under standardized conditions, the noise emission characteristics of portable, hand‑held, combustion‑engine‑powered forestry and garden machines, including chain-saws, brush-cutters, grass-trimmers, pole-mounted powered pruners, hedge-trimmers and garden blowers/vacuums. Noise emission characteristics include the A‑weighted emission sound pressure level at the operator position and the A‑weighted sound power level.
ISO 22868:2011 specifies a noise test code for determining, efficiently and under standardized conditions, the noise emission characteristics of portable, hand‑held, combustion‑engine‑powered forestry and garden machines, including chain-saws, brush-cutters, grass-trimmers, pole-mounted powered pruners, hedge-trimmers and garden blowers/vacuums. Noise emission characteristics include the A‑weighted emission sound pressure level at the operator position and the A‑weighted sound power level.
This document specifies a noise test code for determining, efficiently and under standardized conditions, the common noise emission characteristics of portable, hand-held, combustion engine powered forest and garden machines, and specific requirements for chain-saws, brush-cutters, grass-trimmers, edgers, pole-mounted powered pruners, hedge-trimmers and garden blowers/vacuums/knapsack mist blowers. Noise emission characteristics include the A-weighted emission sound pressure level at the operator position and the A-weighted sound power level. Noise test codes as described in this document enable the manufacturer to verify the effort regarding low noise design.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions2
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4 Grandeurs à mesurer et grandeurs à déterminer2
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5 Détermination du niveau de puissance acoustique pondéré A2
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6 Mesurage du niveau de pression acoustique d'émission pondéré A au poste de l'opérateur3
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7 Essais et conditions de fonctionnement4
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8 Informations à consigner dans le rapport5
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9 Déclaration et vérification des valeurs acoustiques d'émission8
- Annexe A (normative) Conditions spécifiques pour les scies à chaîne10
- Annexe B (normative) Conditions spécifiques pour les débroussailleuses et les coupe-herbe14
- Annexe C (normative) Conditions spécifiques pour les perches élagueuses à moteur19
- Annexe D (normative) Conditions spécifiques pour les taille-haies23
- Annexe E (normative) Conditions spécifiques pour les souffleurs/aspirateurs de jardin27
- Annexe F (informative) Exemple de frein hydraulique monté sur le guide-chaîne de la scie à chaîne pour simuler la coupe32
- Annexe G (informative) Récapitulatif des résultats des essais intercomparatifs effectués en 2007 et en 2008 sur une scie à chaîne, une scie à débroussailler et un coupe-herbe34
- Annexe H (informative) Déclaration du niveau de puissance acoustique pondéré A conformément à la Directive UE pour le bruit des machines utilisées à l'extérieur, 20001141CE35
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