SAE J1399
Electric Tachometer Specification.
This SAE Recommended Practice establishes minimum requirements for electric tachometer systems with and without hourmeter or revolution counter, for general applications as follows:Class 1-Passenger CarClass 2-Bus and TruckClass 3-Off-Road vehicles
History:| Standard | Published | Revision | Status |
|---|---|---|---|
| J1399_201107 | 2011-07-11 | Latest | |
| J1399_198406 | 1984-06-01 | Historical |