Today I’d like to provide more information about one of the factors used in determining if a mobile device is rugged; Ingress Protection Ratings or IP Ratings. The following chart can help you learn more about what each 2-digit IP rating means and also help determine what IP rating best suits your application needs.
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|
First number (Protection against solid objects) |
Definition |
Second number (Protection against liquids) |
Definition |
|
0 |
No protection |
0 |
No protection |
|
1 |
Protected against solids objects over 50mm (e.g. accidental touch by hands |
1 |
Protected against vertically falling drops of water |
|
2 |
Protected against solids objects over 12mm (e.g. fingers) |
2 |
Protected against direct sprays up to 15o from the vertical |
|
3 |
Protected against solid objects over 2.5mm (e.g. tools and wires) |
3 |
Protected against direct sprays up to 60o from the vertical |
|
4 |
Protected against solids objects over 1mm (e.g. tools, wires and small wires |
4 |
Protected against sprays from all directions – limited ingress permitted |
|
5 |
Protected against dust – limited ingress (no harmful deposit) |
5 |
Protected against low pressure jets of water from all directions – limited ingress permitted |
|
6 |
Totally protected against dust |
6 |
Protected against strong jets of water |
|
7 |
Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes |
||
|
8 |
Protected against long periods of immersion under pressure |