[KongchangAI]
Unverified75% confidenceFactTime unknown

电化学甲醛传感器有使用寿命(通常约2-3年)且长期存放会老化,购买时应关注保修与传感器更换/校准支持;无校准功能的老化传感器读数会逐年偏移

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75%
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Long-term
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