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有延长刻度的安装式仪表的检测哈尔滨电工仪表研究所刘波，邵凤云，吕丽芬安装式仪表的刻度分两部分：其一为规定测量仪表和（或）附件的误差极限的有效测量范围，其二即为延长刻度。关于有效测量范围，在国标ＧＢ７６７６．１～９－８７中明确地规定了其标志方法、技术要...
Instrumentation with extended scale detection Instrumentation Institute of Harbin Bo, Shao Fengyun, Luli Fen instrumentation scale is divided into two parts: one is to specify the measuring instruments and (or) Annex error limit effective measurement range, the second To extend the scale. On the effective measurement range, clearly defined in the national standard GB7676.1 ~ 9-87 its logo, technology to ...