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电子天平示值误差测量结果的不确定度评定
引用本文:王学琴,李承荣,滕岩,张传洪. 电子天平示值误差测量结果的不确定度评定[J]. 化学分析计量, 2012, 21(4): 20-21
作者姓名:王学琴  李承荣  滕岩  张传洪
作者单位:1. 中国兵器工业集团第五三研究所,济南,250031
2. 山东省烟草专卖局,山东省烟草质量监督检测站,济南250101
摘    要:
依据JJG 1036–2008《电子天平检定规程》,分析了电子天平示值误差测量结果不确定度的来源,以最大称量点200 g为例,对不确定度分量进行了评定与计算。当最大称量为200 g时,扩展不确定度为0.18 mg(k=2)。

关 键 词:电子天平  示值误差  不确定度

Uncertainty Evaluation of the Measurement of Electronic Balance Indication Error
Wang Xueqin , Li Chengrong , Teng Yan , Zhang Chuanhong. Uncertainty Evaluation of the Measurement of Electronic Balance Indication Error[J]. Chemical Analysis And Meterage, 2012, 21(4): 20-21
Authors:Wang Xueqin    Li Chengrong    Teng Yan    Zhang Chuanhong
Affiliation:Wang Xueqin, Li Chengrong, Teng Yan (CNGC Institue 53, Jinan 250031, China) Zhang Chuanhong (Shandong Provincial Tobacco Monoploy Bureau, Shandong Province Tobacco Quality Supervision and Test Station, Jinan 250101)
Abstract:
The sources of measurement uncertainty of electronic balance indication error were analysed according to JJG 1036-2008 Electronic Balance Verification Regulation. The largest weighing 200 g was taken for example, uncertainty components were calculated. The expanded uncertainty was 0.18 mg(k=2.01) as the largest weighing was 200 g.
Keywords:electronic balance  indication error  uncertainty
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