一台電腦要能夠號稱"防水", 能否通過IP測試就顯得異常重要了. 在IEC (International Electrotechnical Commission) 60529中所謂的Ingress Protection rating有系統的將電子產品防水防塵(防侵入)的等級做了以下區分:
| IP rating | Level of protection | |
|---|---|---|
| Solid ingress |
IP1X | Protected against solid objects greater than 50mm diameter |
| IP2X |
Protected against solid objects greater than 12.5mm diameter |
|
| IP3X |
Protected against solid objects greater than 2.5mm diameter |
|
| IP4X |
Protected against solid objects greater than 1.0mm diameter | |
| IP5X | Dust protected | |
| IP6X | Dust tight (with a vacuum applied to the product) | |
| Liquid ingress | IPX1 |
Protected against dripping water |
| IPX2 |
Protected against dripping water when tilted up to 15 |
|
| IPX3 |
Protected against spraying water |
|
| IPX4 |
Protected against splashing water |
|
| IPX5 |
Protected against water jets |
|
| IPX6 |
Protected against powerful water jets |
|
| IPX7 |
Protected against the effects of temporary immersion in water |
|
| IPX8 |
Protected against the effects of continuous immersion in water |
比如說一台軍規電腦它說可以達到IP54等級, 就是意謂著它能夠阻止一般粉塵的侵入以及雨淋. 更高一點的電腦可以做到IP65, 意謂著抵擋沙塵暴(有風速)以及水柱的噴射(有水壓).
下面這段影片拿Panasonic的CF30以及Motorola的ML910來做實際的IP測試, 最後甚至還做了另一項爆破測試, 關於爆破測試的介紹就等下次囉....
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