Unverified90% confidenceDecision RuleTime unknown
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
1
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90%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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91% 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89% 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87% similarUnverified室外常年淋雨暴晒环境应选IP66及以上防护等级，IP65仅能抵御低压水柱，无遮挡的墙面/院墙安装建议IP66/IP6786% similar
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