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沙尘试验箱产品试验标准


2024-08-20


沙尘试验箱,又名江南app官方链接 或防尘试验箱,它是原理通常是通过风机将一定浓度和粒度的沙尘吹入试验箱内,形成类似沙尘天气的环境。被测试的产品放置在试验箱内,在规定的时间和条件下暴露于沙尘中,以检验产品的外壳防护性能、密封性能等是否受到沙尘的影响。

近日,看到一些用户提问:沙尘试验箱产品试验标准是什么呢?又或者说有哪些呢?本文将详细介绍有关于沙尘试验箱产品试验标准主要包括以下几点:

江南app官方链接

1.国内标准:沙尘试验应遵循GB/T 2423.37-2006《电工电子产品环境试验 第2部分:试验L:沙尘试验》和GB/T 4208-2017《外壳防护等级(IP代码)》等国家标准。

2.军标标准:军标设备还需符合GJB150.12A-2009《军用装备实验室环境试验方法第12部分砂尘试验》。

3.试验设备:沙尘试验箱应能够模拟自然界风沙气候对产品的破坏性,适用于检测产品的外壳密封性能,主要用于IP5X和IP6X两个等级的试验。

4.试验用尘:滑石粉是常用的试验粉尘,应使用金属方孔筛滤过,金属丝直径50μm,筛孔尺寸为75μm,用量为每立方米试验箱容积2kg,使用次数不超过20次。

5.试验条件:包括温度、湿度、风速等,其中试验箱内空气温度应足够高,以确保箱内相对湿度达到25%或更低。

6.试验方法:样品应按照正常使用位置放入试验箱,根据样品的运行条件,可能需要在试验期间通电或运行。

7.严酷程度:由试验箱内的气压和试验持续时间确定,取决于外壳的类型,并应在相关规范中进行规定。

上述关于沙尘试验箱产品试验标准的详细介绍。

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