標準號：SAE J 678-2011
中文標準名稱：汽車車速表和轉速表
英文標準名稱：Speedometers and Tachometers Automotive
標準類型：T39
發布日期：2011/8/8 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：T39
國際標準分類號：17.080;43.040.30
引用標準：SAE J 862-1989;SAE J 862-2011;SAE J 966-2000
適用范圍：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.