Unverified75% confidenceDecision RuleTime unknown
响应速度上,门磁分离超过2cm即触发的机型比需完全开门才触发的更早预警,防走失应选触发间隙≤2cm、响应延时<1秒的型号,为家长争取拦截时间
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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)75% similarUnverified磁性门窗报警器选购时确认磁铁间隙报警阈值:优质产品在磁铁分离≥15mm时触发,劣质产品需分离30mm以上才响,容易被缓慢开门规避75% similarUnverified磁吸门帘的磁点数量应≥8对(每约30cm一对),少于6对会出现中段吸不拢、漏风漏光;宠物/儿童频繁穿行场景应选整条磁条式自动闭合73% 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73% similarUnverified磁体与传感器主体的有效检测间距应≤15mm,间距过大会导致门窗未完全关闭时误判为关闭状态,选购时注意标称的最大触发间距参数72% similar
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