IP65 vs IP66 vs IP67 vs IP68 vs IP69K: Key Differences When selecting an IP-rated display, it is easy to assume that a higher number always means better protection. In practice, IP65, IP66, IP67, IP68, and IP69K address different types of exposure to water, and one rating does not automatically replace another.
This guide explains the differences between IP65, IP66, IP67, IP68, and IP69K, including what each rating is tested for, where it is typically used, and what an IP rating does—and does not—tell you about an industrial display.