What is an Ingress Protection (IP) rating?

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An IP (or Ingress Protection) rating is a two-digit number used to define the sealing effectiveness of a piece of electronic equipment or electronic enclosure. It is useful as a standard measurement of electronic equipment’s resistance against external harmful elements. Written as a two-digit number (i.e. IP65), the first digit represents the ingress protection against solid objects, such as dirt, and the second digit represents ingress protection against liquids, such as rain. The first digit (protection from solids) ranges from 0 to 7, where 0 indicates no protection and 7 indicates 100% dust tightness. The second digit (moisture protection) ranges from 0 to 9, where 0 represents no protection and 9 represents protection from full prolonged immersion under water. Take a look at the breakdown of IP ratings below.

IP Rating Chart

IP#First Digit: Ingress Protection of Solid ObjectsSecond Digit: Ingress Protection of Liquids
0No ProtectionNo Protection
1Protection from objects larger than 50 mm Protection from water drops at a 90-degree angle and moisture
2Protection from objects larger than 12 mmProtection from water drops in between 75 and 90 degrees
3Protection from objects larger than 2.5mmProtection from water drops at any angle
4Protection from objects larger than 1mmProtection from water splashes at any angle
5Limited protection against dustProtection from low-pressure water jets at any angle
6Total protection against dustProtection from high-pressure water jets at any angle
7N/AProtected from short periods of low-pressure water immersion
8N/AProtected from long periods of low-pressure water immersion
9N/AProtected from long periods of high-pressure water immersion

How is IP rating used with LED panels?

Given the above information, you can see why IP rating is the perfect way to measure the durability of an LED video panel. The IP rating is the most important variable in distinguishing outdoor rated LED video panels vs. indoor ones.