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审查通过的国家标准(报批稿)目录提出单位：国家机械工业局安装式指示和记录电测量仪表的尺寸该标准非等效采用IEC61554：1999《安装式指示和记 录电测量仪表的尺寸》。根据IEC61554标准中增加了“定义”一章，并增加一项定义“安装 尺寸”。根据国情和市场需求，保留原GB／T12
Examination and approval of the national standard (draft for approval) Catalog proposed by: State Administration of Machinery Industry installation instructions and record the size of the electrical measuring instrument This standard is not equivalent to IEC61554: 1999 “installed instructions and record the size of electrical measuring instruments.” According to the IEC61554 standard added a “definition” chapter, and add a definition of “installation dimensions.” According to national conditions and market demand, retain the original GB / T12