Unverified85% confidenceDecision RuleTime unknown
门磁的两块磁体感应间距（gap）需匹配安装场景：普通木门/铝合金门选间距≤15mm的型号即可，但推拉门、防盗门（框体不平整）应选间距≥25mm的宽感应型，否则关门后仍报警
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Unverified门窗传感器磁体间隙需≤22mm才能可靠触发，门框与门扇缝隙大或包边异形门建议选带加长磁体或可调间隙型号91% similarUnverified门磁的感应间距（磁体与传感器分离触发距离）应≤2cm才灵敏，选购时看参数应≥15mm触发，间距过大易漏报；木门变形或密封条厚的老门建议选间距容差大的（20mm以上）90% similarUnverified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门磁的磁铁与传感器主体分离检测距离通常为10-15mm，安装时两部分间隙必须≤内置阈值（一般标注≤15mm），门框与门扇错位大的老旧木门优先选检测距离≥20mm的加长型号，否则关门状态误报为开启89% 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% similar
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