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In a perfect world, every device will be able to withstand sand, dust, and water to some extent, not all devices. The Ingress Protection rating classification system, for solid objects and liquids.

The basic standards for IP rating are IS/IEC 60529. The standard aims to provide users with more detailed information than vague marketing terms such as waterproof. The first digit represents protection against ingress of solid objects, while the second digit represents protection against ingress of liquids; the higher the value, the greater the protection.

The Degree of Protection provided by an enclosure is indicated by the IP coding such as IPXXCH

• IP – IP is the Code letters
• X – First Characteristics numeral – Dust Protection (numerals 0-6 or latter X)
• X – Second Characteristics numeral – Water Protection (numeral 0-8 or latter X)
• C – Additional Letter – optional, letters A, B, C, D
• H – Supplementary letters – optional, letters H, M, S, W

Applicable Standard: IS/IEC 60529.