Unverified85% confidenceDecision RuleTime unknown
PTC加热+温控探头恒温精度需≤±1℃,选择带回差控制(设定42℃实际波动40-44℃)的机型,普通电热管机型温差常达±3-5℃,长时间泡脚易烫伤或水凉过快
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UnverifiedPTC加热+带温控恒温的机型可维持42-45℃恒温30分钟以上,优于普通加热管;纯保温型(无加热片、靠泡沫桶壁保温)水温15分钟即降至38℃以下,需中途加热水86% similarUnverified带PTC恒温加热的浴盆控温精度应达到±1℃以内,加热功率300-500W可在5-8分钟内将水温维持在37-40℃,低于300W保温力弱、水温掉得快86% similarUnverifiedPTC加热+全程恒温才是有效标准,纯发热管加热的机型水温会持续升高需手动断电,认准'水电分离'+'恒温±1℃'双标注85% similarUnverified加热方式选PTC恒温加热而非发热管直烧水,PTC能维持42℃左右恒温1小时以上,直烧水式加热到设定温度后就断电,20分钟后水温骤降需反复加热83% similarUnverifiedPTC恒温控制相比传统机械温控更稳定,不易出现局部过热,但升温速度相对不算快,怕冷想快速加热的用户需要提前预热80% similar
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