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本文主要对于JJF1547-2015在线pH计校准规范中关于在线pH计仪器示值误差结果不确定度,从建立数学模型、分析和讨论影响仪器示值误差的不确定度来源、合成标准不确定度和扩展不确定度进行分析讨论和评定,找到了对于0.01级和0.1级在线pH计影响仪器示值误差不确定度的主要因素,对于理解和使用JJF1547-2015在线pH计校准规范在实际工作计量校准在线pH计有着重要指导意义。
In this paper, mainly for the JJF1547-2015 online pH meter calibration standard on the on-line pH meter indication error results uncertainty from the establishment of mathematical models to analyze and discuss the impact of instrument indication error of the source of uncertainty, synthesis of standard uncertainty and Expand the uncertainty analysis and discussion to find the 0.01 and 0.1 on-line pH meter instrument to determine the impact of the main factor of uncertainty of the uncertainty for the understanding and use of JJF1547-2015 online pH meter calibration standards in the actual work of measurement and calibration Online pH meter has important guiding significance.