Unverified90% confidenceDecision RuleTime unknown
室外声光报警器必须选IP65及以上防护等级,IP54仅能防溅水无法应对长期雨淋,露天安装1年内易进水失效
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90%
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Long-term
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Unverified室外声光报警器需选IP65及以上防护等级,IP54仅适合屋檐下等有遮挡的半户外环境,长期日晒雨淋会导致IP54外壳老化进水失效91% similarUnverified室外安装的声光报警器防护等级必须≥IP65,能防暴雨冲刷;仅IP44的产品长期户外使用1-2年内会因进水导致喇叭腐蚀失灵90% similarUnverified户外常年使用的报警锁防水等级应达到IP65及以上,IP44仅防溅水,长期雨淋会导致电路板腐蚀和传感器失灵89% similarUnverified室外安装的声光报警器防护等级需≥IP65,以防雨水灌入导致喇叭腔进水失效;仅IP54级别只适合有屋檐遮挡的半室外位置88% similarUnverified室外用声光报警器防护等级需达到IP65以上,室内可选IP44即可;沿海或多雨地区建议IP66,防止盐雾和暴雨渗入导致电路短路88% similar
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