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ISO 13325:2019

Tyres — Coast-by methods for measurement of tyre-to-road sound emission ISO 13325:2019

Publication date:   Jul 19, 2019

General information

60.60 Standard published   Jul 19, 2019

ISO

ISO/TC 31 Tyres, rims and valves

International Standard

83.160.10   Road vehicle tyres | 17.140.30   Noise emitted by means of transport

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Published

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Scope

This document specifies methods for measuring tyre-to-road sound emissions from tyres fitted on a motor vehicle under coast-by conditions, i.e. when the vehicle is in free-rolling, non-powered operation. This is typically achieved by putting the transmission in the neutral or equivalent position and switching off the engine as well as all auxiliary systems not necessary for safe driving.
This document is applicable to passenger cars and commercial vehicles as defined in ISO 3833. It is not intended to be used to determine the sound contribution of tyres of vehicles running in powered condition nor for the determination of traffic sound nuisance at a given location.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 13325:2003

NOW

PUBLISHED
ISO 13325:2019
60.60 Standard published
Jul 19, 2019

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 13325:2019/Amd 1:2023