Sunday, October 19, 2014

IP Ratings Explained

IP Ratings Explained


You have probably heard many manufacturers claim to have “waterproof” or “water-resistant” products, but what do these vague terms actually mean? Well, it’s not only you that has wondered this, so a system for identifying how waterproof an item is was created. That system is call the IP Code.


IP stands for International Protection (or Ingress Protection), and it is made up of two digits. Each digit refers to a different aspect of enclosure protection. The first digit refers to the level of protection against solid objects entering a device, and the second digit refers to the level of protection against water. For example, if a product is rated IP68, it is completely dust tight and can withstand complete and constant immersion in water, whereas if a product is rated IP00, it is basically an open product and has no protection against objects and water.


First Digit

Object size protected against  Effective against:

0 — No protection against contact and ingress of objects.
1 > 50mm  Large surfaces of the body, but no protection against deliberate contact with a body part.
2 > 12.5mm  Fingers or similar objects.
3 > 2.5mm  Tools, thick wires, etc.
4 > 1mm  Most wires, screws, etc.
5 Dust Protected — Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity; complete protection against contact.

6 Dust Tight — No ingress of dust; complete protection against contact.


Second Digit

Water level protected against — Effective against:

0 — No protection against water
1 Dripping Water — Dripping water
2 Dripping Water — Dripping water when enclosure is tilted up to 15°
3 Spraying Water — Water falling as a spray at angles up to 60° from the vertical.
4 Splashing Water — Water splashing against the enclosure from any direction.
5 Water Jets — Water projected by a nozzle against enclosure from any direction.
6 Powerful Water Jets — Water projected in powerful jets against the enclosure.
7 Immersion up to 1m Ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time (up to 1 m of submersion).
8 Immersion beyond 1m — The equipment is suitable for continuous immersion in water under conditions which shall be specified by the manufacturer.  NOTE: Normally, this will mean that the equipment is hermetically sealed. However, with certain types of equipment, it can mean that water can enter but only in such a manner that produces no harmful effects.




So how do Astera products fare in terms of IP rating?



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