The Definitive Guide to the Deckma OMD11 Manual: Operation, Calibration, and Troubleshooting

Deckma Hamburg is a globally recognized leader in maritime monitoring technology, and their OMD-11 Oil Mist Detector is a cornerstone of modern engine room safety. Designed to comply with SOLAS regulation II-2/15.2.9, the OMD-11 continuously monitors crankcase atmospheres for explosive oil mists—a critical early warning system against engine blowbacks and crankcase explosions.

of the oily water separator to ensure a response time of under 20 seconds. Positioning:

Step-by-Step Guide: Using the Deckma OMD11 Manual for Daily Operation

Even without the physical document onboard, the routine below is universal. Always cross-check page numbers with your revision:

1. The Central Unit (Display and Control Panel)

This is the "brain." It houses the LCD display, keypad, power supply, and the microprocessor. The manual stresses that the central unit is usually located in the Engine Control Room (ECR).

Response Time: Adjustable operating delay between 2 and 20 seconds. Operating Principle OMD-11 Oil-in-Water Monitor Manual | PDF | Relay - Scribd

The OMD-11 is a compact, lightweight unit (3.5 kg) built for the harsh environments of a ship's engine room. Specification Measuring Range 0 – 30 ppm (Trend indication up to 50 ppm) Accuracy Better than ± 5 ppm (per IMO requirements) Alarm Set Points Factory set at 15 ppm; adjustable from 2 to 15 ppm Power Supply 24V AC/DC ± 15% Output Signal 0(4) – 20 mA, selectable Protection Class Sample Flow Approx. 0.5 – 4 L/min (pressure dependent) Installation Guidelines

"Error" on Display: Usually indicates a hardware fault or a disconnected sensor. Check all internal cable connections.