National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1489-2014
Scope
This specification is applicable to the calibration of the four-wheel aligner calibration device (not applicable to the special calibration stand for the four-wheel aligner). This specification specifies the measurement characteristics, calibration conditions and calibration methods of the four-wheel aligner calibration device.
JJF 1489-2014 history
2014JJF 1489-2014 Calibration Specification for Calibration Devices of Four-wheel Aligner