SAE J678-2011
汽车车速表和转速表
Speedometers and Tachometers Automotive
- 标准号
- SAE J678-2011
- 发布日期
- 2011年08月08日
- 实施日期
- 废止日期
- 无
- 中国标准分类号
- T39
- 国际标准分类号
- 17.080;43.040.30
- 发布单位
- 美国机动车工程师协会
- 引用标准
- SAE J 862-1989 SAE J 862-2011 SAE J 966-2000
- 被代替标准
- SAE J 678-1988
- 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.