Technical Articles

How is IP rating measured

IP rating, also known as Ingress Protection rating, is a classification system used to define the degree of protection provided by an enclosure or device against solid objects and liquids. It is crucial in determining the suitability of electronic devices for various environments, such as water-resistant smartphones or dustproof industrial machinery.

Understanding IP rating structure

The IP rating consists of two digits, indicating different levels of protection. The first digit represents solid particle protection, while the second digit represents liquid ingress protection. Let's break down each digit:

Interpreting the first digit: solid particle protection

The first digit of the IP rating describes the level of protection against solid particles. It ranges from 0 to 6 and signifies the device's ability to prevent the entry of dust, dirt, and other solid intrusions. Here is a breakdown of each level:

Decoding the second digit: liquid ingress protection

The second digit in the IP rating indicates the degree of protection against liquid ingress. It ranges from 0 to 8 and measures the device's resistance to water and other liquids. Each level offers a specific safeguard against different conditions. Here are the details of each level:

By understanding the IP rating structure and its meaning, consumers can make informed decisions when selecting electronic devices and equipment for specific applications. It is important to note that the IP rating does not take into account protection against extreme temperatures, mechanical impact, or corrosive substances. Therefore, it is crucial to consider additional factors beyond IP rating when evaluating the overall durability and suitability of a device.



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