[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

多合一探测器的各传感器寿命不同步:电化学CO传感器约5-7年、半导体可燃气体传感器约5年、光电烟雾约10年,选购时应确认是否为一体机(到期整机报废)还是模块化可单独更换传感器,一体机长期成本更高

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85%
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Long-term
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