In view of the upgrading and replacement of the test vehicle for rail-weighbridges,JJG 444-2005 Veri-fication regulation of standard rail-weighbridges has been revised,and JJG 444-2023 Verification regulation of standard rail-weighbridges is formed.The paper provides a detailed analysis of JJG 444-2023 from the aspects of terminology,overview,metrological performance requirements,general technical requirements,control of measuring instruments,and verification methods,in order to help relevant technical personnel accurately understand JJG 444-2023.
Standard Rail-weighbridgeMetrological PerformanceVerification RegulationInterpretation