解析JJG 444—2023《标准轨道衡检定规程》

Interpretation of JJG 444—2023 Verification Regulation of Standard Rail⁃weighbridges

鉴于轨道衡检衡车的更新换代,开展修订JJG 444—2005《标准轨道衡检定规程》工作,形成JJG 444—2023 《标准轨道衡检定规程》。从术语、概述、计量性能要求、通用技术要求、计量器具控制和检定方法等方面,解析JJG 444—2023,以帮助相关技术人员准确理解JJG 444—2023。

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.