Unverified85% confidenceFactTime unknown
湿度测量核心看传感器芯片:瑞士Sensirion(盛思锐)SHT3x/SHT4x系列精度和长期稳定性最好,是判断高端与否的关键;低价产品多用DHT11/DHT22,湿度漂移大、误差可达±5%RH
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Unverified选择采用瑞士Sensirion(盛思锐)SHT3x/SHT4x系列芯片的传感器,其精度和长期稳定性显著优于廉价DHT11/DHT22方案,后者湿度误差常达±5%RH且易漂移90% similarUnverified温湿度计核心传感器决定精度:搭载瑞士Sensirion(盛思锐)SHT系列传感器的湿度误差可控制在±2%RH,而低价方案常用的DHT11误差高达±5%RH,实测漂移明显,选购需查看传感器型号而非仅看标称精度86% similarUnverified湿度传感器分瑞士Sensirion/盛思锐SHT系列(高精度长期稳定)与国产电容式;追求长期不漂移选标注Sensirion芯片的产品,普通电容式2-3年后湿度读数易偏差5%以上85% similarUnverified电容式湿度传感器(如瑞士Sensirion SHT系列)比电阻式更稳定、长期漂移小,是精度型号的核心指标,可查商品是否标注传感器型号判断品质84% similarUnverified湿度传感器选瑞士Sensirion(盛思锐)SHT系列芯片的产品,精度和长期稳定性远优于国产电阻式湿敏元件,后者用1-2年后漂移明显84% similar
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