The Atmospheric OMD System is a vital safety mechanism used in marine engines to detect oil mist in the crankcase, which can form due to leaks, overheating, or improper lubrication. Oil mist is highly flammable and, if not promptly detected, can lead to catastrophic engine failures, such as crankcase explosions. The system features the latest version compliant with recent IACS standards, ensuring effectiveness as verified by M67 rules. Its superior accuracy is assured through rigorous testing, and the robust, rigid construction enhances durability. The system offers instantaneous alarm response for immediate action, with IRS-485/422 communication to IAS for seamless integration. The sensor design is optimized to minimize contamination, and the system boasts a highly integrated single-board design, providing stability even in harsh conditions with its anti-vibration technology. Additionally, the multi-functional remote monitoring capability and proven test and calibration chamber ensure reliable, consistent performance, making the OMD system an essential component for marine engine safety.