Unverified85% confidenceDecision RuleTime unknown
干簧管(磁簧)方案传感器磁铁间距需≤22mm才可靠触发，铝合金/金属门窗会削弱磁场，安装时磁铁与主体错位应控制在15mm内
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85%
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Long-term
Relevance
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Unverified门磁的感应触发间隙（磁铁与主体分离距离）一般为10-25mm，铝合金/推拉窗因框体不平整安装误差大，应选触发间隙≥20mm的宽容差型号，避免关窗时误判为开启89% similarUnverified磁铁与主体的最大分离触发距离通常为15-25mm，铝合金/金属门框会削弱磁场，金属门窗需选标注加强磁或距离≥20mm的型号88% similarUnverified磁簧开关门窗报警器的磁铁与传感器主体间隙需≤15mm才能可靠触发，安装于老旧变形门框或缝隙大的窗户时应选择间隙容差≥25mm的宽感应型号88% similarUnverified门磁两片（主体+磁体）安装间隙需≤15mm才能可靠触发，铁质防盗门或金属窗框可能干扰磁场导致失灵，选购前确认最大感应间隙并预留错位调整空间88% similarUnverified门磁间隙容差需≥15mm，普通门磁磁体与感应体贴合间隙超过10mm就可能触发误报，木门/铝合金门变形较大时应选宽容差型号86% similar
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