| 差压变送器在应用中的故障诊断与分析 |
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| 引用本文： | 崔巍 孙式伟 唐立军. 差压变送器在应用中的故障诊断与分析[J]. 可编程控制器与工厂自动化(PLC FA), 2006, 0(8): 120-123 |
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| 作者姓名： | 崔巍 孙式伟 唐立军 |
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| 作者单位： | [1]山东省莱芜钢铁集团自动化部检测中心 [2]北京瑞普恩德斯豪斯仪表有限公司 |
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| 摘 要： | 本文主要介绍了差压变送器的工作原理、常用的三种测量应用方式、主要安装方法及注意事项，使用调查法、直观法、检测法诊断差压变送器测量回路的应用故障，并重点对导压管堵塞、泄漏，平衡泄漏、气体流量测避导压管积液等问题引起的故障现象进行了重点分析。
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| 关 键 词： | 差压变送器 故障 导压管 |
| 文章编号： | 1606-5123（2006）08-0120-04 |
Fault Diagnosis and Analysis in the Application of Differential Pressure Transmitters |
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| Cui Wei ,Sun Shiwei, Tang Lijun. Fault Diagnosis and Analysis in the Application of Differential Pressure Transmitters[J]. Programmable controller & Factory Automation(PLC & FA), 2006, 0(8): 120-123 |
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| Authors: | Cui Wei Sun Shiwei Tang Lijun |
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| Affiliation: | Cui Wei Sun Shiwei Tang Lijun |
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| Abstract: | The operating principle of differential pressure transmitters, the three application modes of measurement in common use, the main method of installation and the matters need attention are introduced in this paper. The application fault in the measure loop of differential pressure transmitters can be diagnosed by investigation method, direct-vision method and detection method. The faults caused by blockage or leakage of connecting pipe, leakage of balance, and hydrops of connecting pipe measured by gas-flow rate were analyzed primarily. |
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| Keywords: | Differential pressure transmitters Abort Pressure pipe |
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