With care and maintenance, the installed battery forms a water tight fit to the detector. However in some instances a few customers have reported the CTX 3030 battery seal leaking. Following investigation we determined that in these instances the leaking has been caused by sand or grit contaminating the o-ring - as seen in the example photos below:
Clearing the sand and grit from the O-ring and its mating surfaces, and re-fitting the o-ring carefully, will ensure the units do not leak to at least 3 meters (10ft) depth.
Minelab recommends that prior to submersing in water, care is taken to ensure the battery sealing O-ring, the O-ring seating groove and the battery O-ring mating face are undamaged and kept clean.
To achieve this, we recommend: