Unverified85% confidenceDecision RuleTime unknown
防水等级选IP55及以上防汗，IPX7以上可短时浸水；但要注意IPX等级只测淡水，汗液含盐分腐蚀性更强，运动后需及时用清水冲洗擦干
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85%
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Long-term
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Unverified防水等级建议≥IP67，方便擦拭消毒和洗澡时短暂沾水；仅IPX2/IPX4的产品汗液或擦洗即可能进水损坏89% similarUnverified防水等级需达IP67及以上才能应对雨天行走和汗液浸泡，IPX4仅防溅水，长期脚汗环境下低防水等级设备半年内易进水失灵89% similarUnverified防水等级需达IPX7以上才能安全在淋浴时使用或整机水洗，IPX5-6仅防泼溅不可浸水，长期潮湿环境使用建议IPX789% similarUnverified防水等级至少IPX7才能应对雨天跑和汗水浸透，IPX4仅防溅水，长期出汗环境下电路易腐蚀失灵88% similarUnverified防水等级至少选IP55以上，室内器械/单车训练大量出汗场景建议IPX7，标注仅IPX4的产品长期汗液侵蚀下传感器和触点易失灵，汗液盐分腐蚀比清水更严重88% similar
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