Acropolis Family IP Testing: Speculātor minor #3 (failure without sealant)

Acropolis Family IP Testing: Speculātor minor #3 (failure without sealant)
To provide adequate protection from liquid ingress under expected installation scenarios while installed right-side-up, Acropolis artefacts should demonstrate ingress protection ratings of at least IPx3 to ensure they are ``protected against drops of rainwater at up to 60 degrees from the vertical''. While this will protect artefacts within Hyper-Soundwalk Series pop-up exhibitions, to provide additional security and increase installation options, the optimal Acropolis family liquid ingress protection rating is IPx4. Therefore, the minimum enclosure IP rating for Acropolis family artefacts is IP33, while the optimal rating is IP54.
This footage shows controlled liquid ingress tests that were conducted to supplement the in-situ data. For the test, Speculātor major was `installed' in a shower-basin suspended in the air using typical exhibition hardware. Then, to simulate torrential rain, the shower head was directed at the enclosures from 2 metres at a 45 degree angle. The enclosures were subjected to a water flow of 6.98 litres per second for at least ten minutes before examining the enclosures for liquid ingress.
When installed without the application of sealant (see prior videos in this series), the enclosures experience minor ingress amounting to a few millimetres of water. However, after applying quick-drying silicone sealant to the enclosure's perimeter before mating the two halves, as is typical when precipitation is expected during installation, the Speculator enclosures survived the test without liquid ingress. While these tests were not conducted according to official IEC 60529 testing standards, these positive results combined with in-situ data have provided evidence for the Speculātor enclosures to claim an approximate liquid ingress protection rating of IPx4, which equates to ``water splashed against the enclosure from any direction shall have no harmful effect''.
In these tests and in-situ exhibitions, no build-up of dust was identified, and therefore, the enclosure demonstrated an approximate particulate ingress protection rating of IP5x which equates to being ``dust protected''. When combined with the results from the liquid ingress tests, this equates to the Speculātor major and \textit{Speculātor minor enclosures demonstrating an approximate ingress protection rating IP54 where the enclosure is ``dust protected'' and where ``water splashed against the enclosure from any direction shall have no harmful effects''. As these results exceed the minimum IP rating of IP33 while meeting the optimal IP rating of IP54, this species has fulfilled the Acropolis family environmental protection requirements.
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