Deckma Omd11 Manual [upd] • Updated

Ground the instrument chassis properly to prevent signal interference. 🧼 Maintenance and Cleaning Procedures

: Uses scattered light measurement to distinguish between oil particles, solids, and water turbidity.

24V AC/DC, 115V AC, or 230V AC (model dependent). Output Signal: 0–20 mA or 4–20 mA analogue output. deckma omd11 manual

High-voltage electricity is present inside the unit. Always disconnect power before performing any maintenance.

The tapping point should be located on a vertical section of the separator outlet pipe to minimize entrained air. Ground the instrument chassis properly to prevent signal

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If the oil concentration exceeds 15 ppm, the unit activates a set of potential-free contacts. These are typically used to stop the overboard discharge and recirculate the water back to the bilge tank. Standard Maintenance Procedures Output Signal: 0–20 mA or 4–20 mA analogue output

Usually indicates a hardware fault or a disconnected sensor. Check all internal cable connections.

The OMD-11 uses advanced optical sensors to measure light scattering. It detects oil particles down to parts-per-million (ppm) levels. Specification Details 0 to 30 ppm (Adjustable up to 50 ppm) Accuracy Meets IMO Resolution MEPC.60(33) Linearity Better than ± 2 ppm Response Time Less than 5 seconds Power Supply 24V AC/DC, 115V AC, or 230V AC Output Signal 0–20 mA or 4–20 mA Alarm Relays 2 independent potential-free relays ⚙️ System Components and Operation The system consists of two primary units working in tandem. The Electronic Unit Houses the microprocessors. Displays the current ppm value on a digital screen. Controls the alarm relay thresholds. Records historical log data. The Measuring Cell Contains the optical glass tube. Houses the infrared transmitter and receiver. Directs the sample water stream. Must be kept clean to avoid false alarms. 🚀 Installation Guidelines

Use certified calibration fluids or checking glasses provided by Deckma Hamburg to verify higher ppm values. 6. Routine Maintenance Schedule

Clean the glass tube using the procedure above. If air bubbles are present, increase the sample line pressure slightly or check the sample pump for air leaks. Problem: "System Fault" or Blank Display