3HAC028357-025 少有=应有尽有

在确定仪器仪表众多时我们常常遇到防护等级IP这一，那么何为防护等级以及它后面的数字代表什么呢？下面为大家作些介绍以方便大家在工作中查阅和参考。防护等级IP（INTERNATIONAL PROTECTION）是由IEC组织起草和制定的。该将仪器仪表依其防尘、防湿气等特性加以分级。IP防护等级是由两个数字所组成，第1个数字表示仪器仪表和电器离尘、防止外物侵入的等级，第2个数字表示仪器仪表和电器防湿气、防水侵入的密闭程度，数字越大表示其防护等级越高。

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