[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

精度与便携性存在权衡:高精度电化学甲醛传感器需要预热30秒到数分钟且怕震动,真正准确的机型往往是台式插电款;巴掌大的便携机为省电用小传感器,稳定性和一致性较差,适合快速筛查不适合长期精确监测

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