National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 528-2015
Scope
This procedure is applicable to the initial verification, subsequent verification and in-use inspection of mobile vehicle radar speedometers that apply the Doppler effect principle to measure the driving speed of motor vehicles.
JJG 528-2015 history
2015JJG 528-2015 Mobile Radar Vehicle Speed Measurement Devices