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| Analysis and evaluation on the uncertainty of indication error of hygrometers |
| Yang Weijie, Wang Xin, Hu Mei |
| Yunnan Atmospheric Detection Technology Support Center,Kunming 650034 |
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Abstract The repeatability measurement of the error of three kinds of hygrometers under the environmental condition of 25℃ and 50%RH is carried out in this paper.And according to JJF1059.1-2012 Evaluation and Expression of Uncertainty in Measurement,the uncertainty of the indication error is analyzed and evaluated.The mathematical model is constructed.The source of uncertainty introduced by each input component in the model and the calculation method are analyzed in detail.The synthetic uncertainty,degree of freedom and extended uncertainty are calculated.The results show that the environment provided by the verification device has a great influence on the uncertainty of the error of measurement results.
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Received: 12 February 2020
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| [1] |
吴非洋,胡春泉,郑亮.湿度传感器示值修正值的不确定度分析与评定[J].气象水文海洋仪器,2016,33(4):5-8.
|
| [2] |
张国辉,尚文强,范新国.数字压力计不确定度的评定与表示[J].工程与试验,2016,56(S1):16-18.
|
| [3] |
李庆忠.不确定度评估方法的六个关键点[J].工程与试验,2008,48(S1):16-18.
|
| [4] |
中国计量测试学会.一级注册计量师基础知识及专业实务[M].北京:中国质检出版社,2011.
|
| [5] |
李维明.测量不确定度自由度的评定方法及一般取值范围的探讨[J].工业计量,2007,17(5):52-53.
|
| [6] |
黄行舟,王芳,黄晓丽,等.温湿度传感器湿度测量结果的不确定度评定[J].科技创新与应用,2018,8(6):166-167.
|
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2020, Vol. 37 
