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ISO 15223-1: Keep dry vs. humidity limitation label symbol


Starting to get Involved
I am looking for some insight/guidance on when it is appropriate to use the "keep dry" symbol versus the "humidity limitation" symbol.

Thanks in advance!


Staff member
Super Moderator
I may not be following your question but simply stated, you use them when either getting wet or exposing beyond specific limits of humidity could cause the device to not meet specification.

Ronen E

Problem Solver
Staff member
Super Moderator
As far as I understand "keep dry" (umbrella?) relates to contact with liquids and "humidity limitation" relates to moisture content in ambient air.

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