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What is IP67?
IP stands for
'Ingress Protection'
An IP number is used to specify the environmental
protection of enclosures around electronic equipment. These ratings are
determined by specific tests.
The IP number is composed of two numbers, the
first referring to the protection against solid objects and the second
against liquids. The higher the number, the better the protection.
First Number
| 0 |
- No protection (Sometimes X) |
| 1 |
- Protected against solid
objects up to 50mm³ |
| 2 |
- Protected against solid
objects up to 12mm³ |
| 3 |
- Protected against solid
objects up to 2.5mm³ |
| 4 |
- Protected against solid
objects up to 1mm³ |
| 5 |
- Protected against dust,
limited ingress (no harmful deposit) |
| 6 |
- Totally protected
against dust |
Second Number
| Second Number |
| 0 |
- No protection (Sometimes X) |
| 1 |
- Protection against
vertically falling drops of water (e.g. condensation) |
| 2 |
- Protection against direct
sprays of water up to 15 degrees from vertical |
| 3 |
- Protection against direct
sprays of water up to 60 degrees from vertical |
| 4 |
- Protection against water
sprayed from all directions - limited ingress permitted |
| 5 |
- Protected against low
pressure jets of water from all directions - limited ingress
permitted |
| 6 |
- Protected against low
pressure jets of water, limited ingress permitted (e.g. ship deck) |
| 7 |
- Protected against the
effect of immersion between 15cm and 1m |
| 8 |
- Protected against long
periods of immersion under pressure |
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