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针对国内部分厂家,在地铁火灾自动报警系统投标书中对火灾探测器耐受射频场电磁场强度值远高于国家相关消防技术标准要求的问题,提出应采用性能指标参数均符合地铁火灾探测器安装环境使用条件限制的电磁辐射分析仪。本文介绍了一种电磁辐射分析仪,并从技术适用性和工程适用性角度,分析并测试了选取的电磁辐射分析仪的功能。测试结果表明,本文探讨的磁辐射分析仪,用于地铁火灾探测环境的射频电磁场强度测试数据真实、有效,是可信的。
For some domestic manufacturers, the automatic fire alarm system in the subway tender for fire detectors to withstand radio frequency electromagnetic field strength values far higher than the relevant national fire safety standards, the proposed performance parameters should be used in line with the subway fire detectors installed Environmental conditions of use of electromagnetic radiation analyzer. This paper introduces an electromagnetic radiation analyzer, and analyzes and tests the function of the selected electromagnetic radiation analyzer from the technical applicability and engineering applicability. The test results show that the magnetic radiation analyzer discussed in this paper is true and valid for the test data of RF electromagnetic field strength used in the subway fire detection environment and is credible.