Unverified88% confidenceDecision RuleTime unknown
PM2.5检测优先选激光散射式传感器（如Plantower、Sensirion SPS30），红外/光电式精度差；同时看是否带温湿度补偿，否则梅雨季高湿度会把水汽误判为颗粒物导致数值虚高
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedPM2.5检测选用激光散射传感器（如Plantower、Sensirion SPS30）而非红外散射，激光传感器对细颗粒物分辨率更高，红外机型对PM2.5几乎无区分度82% similarUnverifiedPM2.5检测选激光散射式传感器（如攀藤PMS系列），红外散射式廉价机型对细颗粒物响应迟钝且对低浓度不敏感80% similarUnverifiedPM2.5用激光散射传感器（如攀藤、Sensirion SPS30）优于红外散射，红外传感器对细颗粒不敏感、低浓度时误差大，参数标注"laser"或具体型号的更可靠79% similarUnverifiedPM2.5检测必须确认使用激光散射传感器而非红外传感器，红外传感器无法区分颗粒物粒径且低浓度段（<35μg/m³）误差可达±50%79% similarUnverifiedPM2.5检测优先选激光散射传感器（如Plantower、Sensirion），红外散射式精度低无法分辨PM2.5/PM10；带风扇主动进气的比被动扩散响应更快79% similar
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