[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

电化学传感器有寿命限制(通常2-3年)且需定期在洁净空气中归零校准;若产品不支持手动校准或标注传感器寿命,长期读数会漂移失真,不建议购买

1
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80%
Confidence
Long-term
Relevance
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