Accuracy class of measuring instruments and display instruments for industrial process measurement and control
全国工业过程测量和控制标准化技术委员会(SAC/TC 124)第一分技术委员会
本标准规定了工业过程测量和控制用检测仪表和显示仪表（以下简称仪表）的精确度等级及其使用导则。
本标准适用于工业过程测量和控制用模拟式或数字式的检测仪表和显示仪表。
本标准不适用于直接用示值误差的数值表示与精确度有关因素的仪表。
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