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防水等级是如何划分的


2019-10-21


目前市场上很多户外产品有需要标注该产品的防水等级,那么防水等级是如何划分的呢?这里我们参考比较常用的国标《GB4208-2017外壳防护等级IP代码》上的要求与规定。

在该规定中对于防水等级划分的很详细,一共可以分为IPX1-9,共九个级别。

具体情况如下:

防水等级IPX1:防滴水,将外壳至于转速为1r/min的转台上,偏心距(转台轴线与试样轴线的距离)大约为100mm,通过滴水板产生均匀水流,对产品外壳进行防滴水试验,试验时间为10分钟。

防水等级

防水等级IPX2:倾斜10°防滴水,将外壳至于的转台上,偏心距(转台轴线与试样轴线的距离)大约为100mm,通过滴水板产生均匀水流,对产品外壳进行防滴水试验,试验时间为10分钟,产品四个方向,每个方向试验2.5分钟。

防水等级IPX3:防淋雨,通过摆管对产品进行防淋雨试验,摆管与产品外壳之间的距离为200mm,同时沿垂线两边各摆动60°,共120°。每次百度约需4秒钟,试验持续时间为10分钟。

防水等级IPX4:防溅水,通过摆管对产品进行防淋雨试验,摆管与产品外壳之间的距离为200mm,同时沿垂线两边各摆动180°,共约360°。每次百度约需12秒钟,试验持续时间为10分钟。

防水等级IPX5:防喷水,在喷枪距离产品外壳2.5-3米的距离,用水流量为12.5±0.625L/min的试验用水,对外壳进行喷淋试验,试验持续时间至少3分钟。

防水等级

防水等级IPX6:防强喷水,在喷枪距离产品外壳2.5-3米的距离,用水流量为100±5L/min的试验用水,对外壳进行强喷淋试验,试验持续时间至少3分钟。

防水等级IPX7:防浸水,将外壳浸泡在1米左右的水下,试验持续时间30分钟。

防水等级IPX8:防压力浸水(防潜水),将外壳浸泡在1米或1米以上的水下,试验持续时间根据产品应用场景来设定,该试验标准应由生产厂家和用户协商制定。

防水等级IPX9:防高温高压喷淋,通过标准测试喷嘴流出的水流喷水外壳表面,水温要求80±5℃,喷嘴喷淋角度为0°、30°、60°、90°,试验时间每个喷嘴喷淋30秒钟。

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