(Superseding IS 3028 : 1998)

1. SCOPE

This standard specifies the method for measuring the external noise emitted by vehicles of category L2as defined in IS 14272 in moving condition.

2. REFERENCES

The following standards contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions ofthe standards indicated below.

3028 : 1998 Automotive vehicles - Noise emitted by moving vehicles - Method of measurement (second revision)

10278 : 2009 Motorcycles - Measurement of maximum speed (third revision)

11422 : 2001 Terms and definitions of weights of two wheeled motor vehicles (first revision)

14272 : 2011 Automotive vehicles - Types - Terminology (first revision)

14599 : 1999 Automotive vehicles - Performance requirements (measurement of power, SFC, opacity) of positive and compression ignition engines - Method of test

15627 : 2005 Automotive vehicles - Pneumatic Tyres for Two and Three Wheeled Motor Vehicles and Quadricycles - Specification

ISO 2559 : 2011 Textile glass - Mats (made from chopped or continuous strands) - Designation and basis for specifications

ISO 3310-1 : 2000 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth

ISO 10534 : 1994 Acoustics - Determination of sound absorption coefficient and impedance by a tube method

ISO 10844 : 1994 Acoustics - Specification of test tracks for measuring noise emitted by road vehicles and their tyres

IEC 60942 : 2003 Electroacoustics - Sound calibrators

IEC 61672-1 : 2002 Electroacoustics - Sound level meters - Part 1: Specifications