标准号:SAE J 678-2011
中文标准名称:汽车车速表和转速表
英文标准名称:Speedometers and Tachometers Automotive
标准类型:T39
发布日期:2011/8/8 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:T39
国际标准分类号:17.080;43.040.30
引用标准:SAE J 862-1989;SAE J 862-2011;SAE J 966-2000
适用范围:This SAE Recommended Practice applies to speedometers, odometers, and speedometer drives typical of passenger vehicles, buses, and trucks used for personal or commercial purposes. The method of determining wheel revolutions per unit distance and overall system design variation are applicable to passenger cars only. Comparable recommendations for trucks and buses are under development. The data of tachometers is applicable to vehicular use, as previously described, and also to stationary and marine engines and special vehicles.