標準號：DIN ISO 362-2-2010
中文標準名稱：道路車輛加速排放的噪音測量.工程測量法.第2部分:L類(ISO 362-2-2009)
英文標準名稱：Measurement of noise emitted by accelerating road vehicles - Engineering method - Part 2: L category (ISO 362-2:2009)
標準類型：Z32
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：Z32
國際標準分類號：17.140.30;43.140
引用標準：ISO 4106;ISO 6726;ISO 7117;ISO 10844;IEC 60942;IEC 61672-1;ISO/IEC Guide 98-3-2008
適用范圍：This standard specifies an engineering method for measuring the noise emitted by road vehicles of category L (motor bikes) under typical urban traffic conditions, excluding vehicles of category L1 and L2 (mopeds) covered by ISO 9645. The specifications are intended to reproduce the noise levels, which are generated, by the principal noise sources during normal driving in urban traffic. The procedure defined here provides a measure of the sound level from vehicles under controlled and repeatable conditions. The definitions have been carried out according to the needs of vehicle categories. The use of two primary operating conditions a wide open throttle acceleration phase and a constant speed phase guarantee simplicity and the combination was found to be equivalent to the partial throttle and partial power (engine load) actually used. The test method requires an acoustical environment, obtained in an extensive open space.