IP Rating Thoroughly Explained IP65, IP66, IP67, And IP68

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If you’re an avid smartphone user, you’ve probably heard about IP ratings before because there are many phones on the market today that are IP rated. But do you know what it means?

IP Rating

What Is An IP Rating?

 

An IP rating is a measurement that’s used to define different levels of sealing in regards to phones and other electrical devices, enclosures from solid objects, dust, and water.

 

IP is an acronym that stands for Ingress Protection and the ratings are specified in an international standard EN 60529 British BS EN 60529:1992, and European IEC 60509:1989.

 

What’s The Meaning Of The Numbers?

 

The numbers that appear after IP have a distinct meaning. The first number symbolizes the level of protection from enclosed equipment from foreign bodies and from moving parts.

 

The second number symbolizes the level of protection that the enclosure receives from different forms of moisture ie. rain, submersion, sprays.

 

Below are some tables that will simplify the process:

 

The True Meaning Of The Numbers:

 

The First Digit:

 

Level Of Protection Size Of Object Useful Against
0 No Protection No protection against ingress of objects or contact
1 >50mm Any large surface of the body such as the hand but not protected from deliberate contact with a body part.
2 >12.5mm Fingers or similar-sized objects
3 >2.5mm Thick wires or tools
4 >1mm Most screws and wires
5 Dust Protection Partial protection against dust that may damage the device.
6 Dust Tight Complete protection against dust and other particulates.

 

The Second Digit:

 

Level Of Protection Size Of Object Useful Against
0 No Protection
1 Water Droplets Dripping water (vertically falling water droplets) will have no negative effects.
2 Water Droplets When Tilted to 15° Vertically falling water droplets will have no harmful effects when the enclosure is tilted at an angle of 15°.
3 Spraying Water Water falling as a spray at an angle up to 60° will have no adverse effects.
4 Splashing Water Water splashing from all directions will have no negative effects.
5 Water Jets Water projected by low-pressure (6.3mm) jets against the enclosure from any angle will have no negative effects.
6 High-Pressure Water Jets Water projected in high-pressure jets (12.5mm nozzle) against the enclosure from any angle will have no negative effects.
7 Immersion Up To 1 Meter Ingress of water when fully immersed in 1 meter of water for up to 30 minutes will have no harmful effects.
8 Immersion deeper than 1 Meter The device can be safely immersed in water under conditions that will be specified by the manufacturer. This means that the device is sealed air-tight. Water may enter certain types of devices but in a way that will not cause any negative effects.

 

Most Devices:

 

In the real world, most devices range between IP65, 66, 67, and 68 so I will explain exactly what they mean:

 

IP65 Rating – Protection from dust and water which is projected by a nozzle.

IP66 Rating – Protection from dust and high-pressure water jets.

IP67 Rating – Protection from dust and immersion for up to 30 minutes at depths of 150mm to 1000mm.

IP 68 Rating – Protection from dust and complete, continuous submersion in water.

 

If you have any comments or questions about any of this information, please feel free to share them in the comment section below.

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