砝码质量测量中的空气密度测量装置的研究

王肖磊; 王健; 钟瑞麟; 张跃; 蔡常青; 姚弘; 丁京安

doi:10.3969/j.issn.1000-1158.2011.01.09

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计量学报 ›› 2011, Vol. 32 ›› Issue (1) : 40-43. DOI: 10.3969/j.issn.1000-1158.2011.01.09

砝码质量测量中的空气密度测量装置的研究

王肖磊,王健,钟瑞麟,张跃,蔡常青,姚弘,丁京安

作者信息 +

Study on Air Density Measurement for Measuring Weights

WANG Xiao-lei,WANG Jian,ZHONG Rui-lin,ZHANG Yue,CAI Chang-qing,YAO Hong,DING Jing-an

Author information +

文章历史 +

摘要

按照砝码质量测量时对空气密度测量的需求,分析了测量空气密度的公式法,研制了用于高准确度砝码质量测量的空气密度测量装置。根据CIPM-2007公式,该装置集成了温湿度、压力和CO2含量的测量,实现了对空气密度的自动实时测量。实验结果表明,当CO2含量达到937.4×10^-6时,与采用近似公式进行测量的数据的相对误差达到0.022%,验证了增加CO2含量测量对提高空气密度测量准确度的必要性。

Abstract

To determine air density for high accuracy measurement of the weights, the method using the recommended equation is studied. According to the CIPM-2007 equation, an equipment of air density measurement that for high accuracy measurement of the weights is developed. Measurement of temperature, humidity, pressure and CO2 are integrated on it to measure air density automatically. Comparing with the results using approximation formula for air density, the relative error of 0.022% is achieved when CO2 is 937.4×10^-6. The experimental results prove that additional measurement of CO2 can improve accuracy of air density measurement.

导出引用

王肖磊,王健,钟瑞麟,张跃,蔡常青,姚弘,丁京安. 砝码质量测量中的空气密度测量装置的研究[J]. 计量学报. 2011, 32(1): 40-43 https://doi.org/10.3969/j.issn.1000-1158.2011.01.09

WANG Xiao-lei,WANG Jian,ZHONG Rui-lin,ZHANG Yue,CAI Chang-qing,YAO Hong,DING Jing-an. Study on Air Density Measurement for Measuring Weights[J]. Acta Metrologica Sinica. 2011, 32(1): 40-43 https://doi.org/10.3969/j.issn.1000-1158.2011.01.09

中图分类号： TB92

参考文献

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