[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

电化学传感器有寿命限制(通常2-3年)且会随时间零点漂移,选购时应确认支持零点校准(清洁空气中回零)功能,否则一年后读数不可信

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85%
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Long-term
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