Deckma Omd11 Manual ●
While modern engine room displays offer intuitive menus, the physical or PDF manual remains the only source of truth for:
A common mistake is assuming that the "quick start guide" shipped with the unit replaces the full manual. It does not. The full Deckma OMD11 manual runs over 100 pages and contains vital safety interlocks.
If you have the manual (or are searching for a PDF), prioritize these chapters: deckma omd11 manual
This requires the official service code – usually not disclosed to ships’ crew to prevent tampering. However, the manual details the principle:
| Parameter | Specification | | :--- | :--- | | Measuring Principle | Light Scattering (Infrared/Near-IR) | | Measuring Range | 0 – 100 ppm (parts per million) | | Resolution | 0.1 ppm | | Accuracy | ±10 ppm (0-100 ppm range) | | Sample Flow Rate | 3 – 4 Liters per minute (typical) | | Ambient Temperature | -25°C to +55°C | | Sample Water Temp | +10°C to +65°C | | Power Supply | 100-240 VAC, 50/60 Hz | | Alarm Set Points | 15 ppm (Standard Bilge), 100 ppm (Alarm) | | Outputs | 4-20 mA analog output; Relay contacts for alarms | | Protection Rating | IP56 / IP65 (Control Unit) | While modern engine room displays offer intuitive menus,
Critical Manual Excerpt: Pre-alarm triggers at 2.5 %/m. Main Alarm triggers at 5.0 %/m. (These values are adjustable but rarely changed due to class approval).
To fully appreciate the OMD-11 manual, one must understand its evolution. The predecessor, the OMD-2, was a purely pneumatic system using a rotating disc and measuring tube. While effective, it was prone to clogging and mechanical wear. A common mistake is assuming that the "quick
The OMD-11 introduced microprocessor-controlled optical measurement. According to the Deckma OMD-11 manual, this system uses a high-intensity infrared LED and a photo receiver. There is no moving parts in the measuring head, drastically reducing maintenance. The manual emphasizes that the system continuously samples mist from up to 15 measuring points (cylinder crankcases and camshaft drives), sequentially scanning each point every few seconds.