Hatch Cover & Door Tightness Testing

Leaking hatch covers, watertight doors and cable transits put cargo, ship safety and class status at risk, and are a common cause of wet-cargo claims. The Coltraco Portascanner® WATERTIGHT series tests watertight and weathertight integrity with ultrasound. A 40 kHz generator is placed inside the closed hold or compartment, and the crew scans the seals from outside with the handheld receiver. The instrument locates leaks as small as 0.06 mm and shows each reading in decibels (dB) and as Open Hatch Value (%OHV). A hatch cover counts as weathertight below 10 % OHV, in line with IACS UR Z17 and DNVGL-CP-0484. The test is fast, clean and can be done by a single crew member, so it replaces the hose test where it is not practicable. That makes it suitable for routine checks under SOLAS, P&I inspections and port state control. The Portascanner® WATERTIGHT PLUS is ABS type-approved and accepted by RINA.