The BILGMON 488 is a compact, IMO-approved 15ppm bilge alarm designed to comply with IMO Resolution MEPC.107(49). Suitable for both new installations and retrofits, it ensures accurate oil content monitoring in bilge water, automatically halting discharge if oil levels exceed safety limits. Its detachable wireless measuring cell allows easy calibration or replacement without data loss. A 5ppm version is also available for Class notation “Clean Design” compliance.