Since in deep diving diver uses a lot of air, check the residual pressure gauge regularly to make sure that the indicated pressure is correct.
Choose a luminous scale one that is easy to read even in dark places.
Don't forget to check regularly
Choose a luminous scale gauge
■Diving computer, etc.
There are differences in display data and ascent speed depending on the model.
Within the dive team, use the same model as much as possible.
Each dive profile is different, so you need your own dive computer.
It is a good idea to prepare a water depth gauge or a mechanical diver's watch that does not require battery replacement for backup in case of failure.
