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What are the three defenses for PDA handheld terminals?

What are the three defenses for PDA handheld terminals?

In industrial handheld terminals, the product of three-proof handheld terminal is often seen, but which three-proof mainly refer to?


Generally speaking, the three-proof quality refers to the performance of electronic products against moisture, salt spray and mildew. Its core is to evaluate the ability of electronic products to resist corrosion under humid heat, industrial atmosphere and salt spray environment. However, in the industry of industrial PDA handheld terminals, three defenses usually refer to three functions of waterproof, dustproof, and anti-drop. According to international standards, they are divided into different IP levels. At present, the three-proof handheld terminal is mainly distinguished by IP level.


For example, the handheld terminal of Bird Bird Technology is IP66, which means that it completely prevents dust from entering, strong water spray, and falling from a height of 1.5 meters.

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