Browse Standards J678_201108
Current STABILIZED 2011-08-05

Speedometers and Tachometers - Automotive(STABILIZED Aug 2011) J678_201108

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 (3.1) and overall system design variation (3.3.3) 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.
J678_201108
2011-08-05
Latest
Stabilized
J678_198812
1989-05-22
Historical
Reaffirmed
J678_198406
1984-06-01
Historical
Revised

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