| 电阻式微压计测量方法与试验研究 |
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| 引用本文： | 黄建军.电阻式微压计测量方法与试验研究[J].节能,2008,27(5):23-25. |
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| 作者姓名： | 黄建军 |
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| 作者单位： | 杭州华电华源环境工程有限公司,浙江杭州,310012 |
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| 摘 要： | 介绍一种利用电阻变化来测量微小压差的方法,文中阐述了微压计的工作原理、推导了电压表示数与电阻关系计算公式并进行了误差分析,最后进行了实验验证。结果表明:该微压计测量精度很高,实验数据与理论符合较好,而且参数——压力差与电压差之间是线性关系。此外,此种微压计的测量范围比较大,实验时做到3~1000Pa。
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| 关 键 词： | 微压计 电桥原理 U型管 |
| 文章编号： | 1004-7948(2008)05-0023-03 |
| 修稿时间： | 2008年2月5日 |
The principle and the experimental study of electric resistance micro-pressure |
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| Abstract: | Introduced a micro-pressure measurement method by changing electric resistance.Illuminated the operating principle of micro-barometer,the formula deduction,the error analysis,and the experimental verification in the end.Results indicates that the micro-barometer has the characteristics of higher accuracy,the quite satisfactory between the experimental result and theory.Furthermore,the parameters between micro-pressure and electric voltage are linear relation.Besides,the equipment has a wider range of measurement,from 3 to 1000 Pa while experimentation. |
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| Keywords: | micro-barometer bridge principle U-tube |
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