According to standard: GB/T4208-2008 Test Specification for Degrees of Protection Provided by Enclosures (IP Code)

Equipment usage: IP rain testing machine

Test environment: Room temperature: 25.3C; Humidity: 74% RH.

Atmospheric pressure: 86 kPa -106 kPa (860mbar-1060mbar)

Final conclusion: Die cast magnesium box 960 * 960-B (IP65) tested qualified