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Waterproof Rating

waterproof   /ˈwɔːtəpruːf/   adjective   impervious to water
The IPX Scale

pressure tank

Some brands have tried to invent their own definitions of waterproofing. But actually an international standard already exists - so at Aquapac we use that.

The international standard is called IEC 60529 - Degrees of Protection Provided by Enclosures and it was developed by a technical committee of the International Electrotechnical Commission. In the USA it has been adopted by the National Electrical Manufacturers Association (NEMA) as an American National Standard.

The whole thing is dozens of pages long, this is a summary:

IP Code:

Protected against:

at Aquapac we call this:


Vertically falling water drops



Vertically falling water drops – enclosure tilted up to 15º from normal position



Water falling as a spray falling at any angle up to 60º from vertical



Water splashing from any direction



Water jets - water projected at all angles through a 6.3mm nozzle

Stormproof or TrailProof™


Powerful water jets –  water projected at all angles through a 12.5mm nozzle

Stormproof or TrailProof™


Protected against immersion for 30 minutes to a depth of less than 3ft/1m



Protected against continuous immersion (30 minutes at a depth of 30ft/10m - see Independent Testing below)



Independent Testing

When we patented the Aquaclip® sealing system it was submitted for independent testing. The IPX8 testing was for 30 minutes at the equivalent of a depth of 30ft/10m.

Some of the Aquaclips proved waterproof at very much greater depths (our Keymaster™ case  for example is 100% waterproof to 50m/165ft).

In-House Testing

During manufacture we batch-test the IPX8 Submersible cases in our pressure chamber, also to the equivalent of 30ft/10m underwater.

We also subject them to a simple manual squeeze-in-a-basin test (sometimes it’s the real-life tests that really count!)