[KongchangAI]
Unverified80% confidenceFactTime unknown

电化学甲醛传感器有寿命(通常2-3年)且需定期校准(部分支持零点自校准),长期使用后读数会漂移;选购时关注是否可校准及传感器寿命标注

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80%
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Long-term
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