PSM ship’s cargo hold water alarm

APT 500 series analogue pressure and level transmitters
ICT 1000 Pressure Transmitter for marine applications
Bilge Level Switch BLS9200

BulkSafe: Water Ingress Detection System (WIDS)
for Bulk Carriers, Ships Holds and Void Spaces

IWR 4200 Central Monitor
Tankstar 260 Intrinsically Safe sensor