Unverified85% confidenceDecision RuleTime unknown
探针需长期埋土的传感器必须IP67及以上防水，且探针为不锈钢或镀金材质；普通镀镍探针在潮湿土壤中3-6个月即出现电化学腐蚀导致读数漂移
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Unverified探针材质优先选不锈钢（304），铜镀或普通金属探针长期插入湿土会氧化生锈，导致读数漂移和寿命缩短79% similarUnverified探针材质优先选镀金或316不锈钢，普通镀镍/铁质探针在潮湿卫生间长期使用1-2年会氧化生锈导致灵敏度下降或误报，接触电阻升高后水浸也可能不报警77% similarUnverified金属探针易氧化生锈影响读数，选镀层探针或不锈钢探针；插针式湿度仪每次用后应擦干，长期插在土里会加速探针腐蚀并使读数漂移77% similarUnverified接触式探头（浮球/电极）必须选IP67以上防水+食品级不锈钢或304材质，长期泡水的普通金属3-6个月即腐蚀失灵77% similarUnverified探针材质优先选不锈钢（304/316）而非镀锌或普通铁片，镀锌探针在潮湿酸性土中数月即锈蚀导致读数漂移，寿命大幅缩短76% similar
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