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Ingress Protection Test for Dynamic Applications

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According to PMA DO 9.21-4440 test procedures

This PMA internal procedure allows the sealing performance of a cable protection system which is in continuous motion to be tested.

It is significantly more difficult to achieve an efficient and long-lasting seal against ingress of water for a dynamic system than for a static system. The test equipment simulates typical movement of a cable protection system while it is submerged under water.