Unverified78% confidenceDecision RuleTime unknown
静音是宠物通风的隐性关键指标，排风扇噪音超过40dB会使猫和爬宠产生应激，选控制器时确认支持PWM调速以配合低转速静音运行
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78%
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Long-term
Relevance
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Unverified整机噪音≤65dB才适合胆小敏感的猫或幼犬，猫用应优先选带调速+低噪设计的机型，突然的大风噪音会造成应激83% similarUnverified音量自动调节（根据环境噪音升降音量）对听力敏感的猫和小型犬很重要，固定大音量可能造成应激；选购时确认最大音量≤65dB且支持夜间静音时段82% similarUnverified怕声敏感宠物（尤其猫和小型犬）应选运行噪音≤50dB且震动幅度小的直流无刷电机款，有刷电机通常噪音高5-10dB且震动明显81% similarUnverified发射瞬间噪音普遍在55-70分贝，胆小或听觉敏感的犬猫会被发射声吓退而拒玩，敏感宠物应选带蓄力缓释结构、标注运行噪音≤50分贝的机型80% similarUnverified风扇噪音应控制在30dB以内，超过40dB会持续刺激宠物应激，尤其猫和小型犬易因噪音躁动导致体温不降反升80% similar
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