Unverified83% confidenceDecision RuleTime unknown

VOC/有毒有机气体检测优选PID(光离子化)传感器，最低可检测ppb级，但PID不能检测甲烷等小分子，且高湿度环境读数受影响，需按目标气体电离能匹配灯型

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Unverified单一检测原理（如仅PID光离子化）无法覆盖所有毒物，PID主要针对VOC挥发性有机物且电离电位需≤仪器灯能量（常见10.6eV灯无法检测甲烷、一氧化碳），检测无机气体需搭配电化学传感器87% similar Unverified不建议仅凭湿度计上的甲醛/PM2.5等空气质量数值做判断，家用温湿度计集成的气体传感器多为VOC等效估算，精度极低不能替代专业检测77% similar

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