Unverified72% confidenceTradeoffTime unknown
防水等级越高（IPX7以上）密封结构越复杂，往往牺牲透气性导致长时间佩戴部位闷汗起疹，日常室内监测选IPX5防汗即可，无需追求可游泳级防水
1
Sources
72%
Confidence
Long-term
Relevance
-
First Seen
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Unverified防水等级与舒适度权衡：IP68全密封防水款通常更厚重、透气性差，长时间贴肤易捂出汗疹；日常纠正类手环IPX4-IPX5（防汗防泼溅）+透气孔设计比高防水更适合白天全天佩戴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% 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86% similarUnverified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86% similarUnverified防水等级至少IPX5，否则洗澡出汗后拆卸擦拭麻烦；但注意多数腋下贴片式产品并非防水，与手环式在防水上不可混淆比较86% similar
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