Unverified50% confidenceCautionTime unknown

涂有指甲油（尤其黑色/深蓝/绿色）或做过美甲的手指会阻挡红光透射，导致读数偏低或无法测量，需去除指甲油或改用其他手指

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Long-term

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指夹式血氧仪category

Related Claims

Partially Verified涂有指甲油或美甲片会影响红外光透过，测量前需去除指甲油否则读数不准89% similar Unverified指甲涂有深色甲油或美甲贴片时会严重影响光电传感器读数准确性，需卸除后再测量83% similar

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