[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

廉价湿度计常用电容式传感器且未做长期校准,实测偏差可达±5~8%RH,购买后建议用饱和食盐法(密闭空间应显示75%RH)校验,偏差超过3%的应退货

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82%
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Long-term
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