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What do IP67 and IP68 actually mean?

Views:12     Author:Site Editor     Publish Time: 2018-03-20      Origin:Site

What do IP67 and IP68 actually mean?

Most modern smartphones have these certifications attached depending on how resistant they are to the elements; dust particles and water, but what do the ratings stand for?


IP – This stands for the International Protection marking, a standard drawn up by the International Electrotechnical Commission (IEC).


6 – The first digit stands for its resistance to dust, but also general dirt and sand. For example, the Samsung Galaxy S8 earned a ‘6’ rating for “No ingress of dust; complete protection against contact (dust tight)” following an 8-hour test.



7 – The second digit provides certification for water resistance. For our purposes, this is the important bit.


A 7 rating ensures “ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time (up to 1m of submersion)” according to the IEC.


While a 7 rating guarantees protection for up to 30 minutes. an 8 certification for water resistance, meaning it can be underwater for 30 minutes at depths of up to 1.5m.


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