IPx7 - protected against penetrating water when immersed

IPx7 - protected against penetrating water when immersed The test is carried out by completely submerging in water
Test conditions: immersion in an immersion pit
Water surface X mm above the highest point of the housing [> 150 mm] (devices> 850 mm)
lowest point of the housing 1 m below the water surface (devices <850 mm)
Test duration: 30 minutes
Water temperature: housing temperature ± 5 K