Brannstrom BilgMon 488 15 PPM Bilge Alarm | Reliable Detection for Safer Discharge
The BilgMon 488 is a compact marine 15 ppm bilge alarm and oil content monitor used to continuously monitor oil concentration in bilge water associated with oily water separator systems.
Using optical scattered-light measurement technology, the system provides oil-content measurement and configurable alarm functions. Its monitoring and alarm outputs can be integrated with the vessel’s OWS arrangement to support controlled discharge operations.
Swift Marine Tech Services provides technical support for BilgMon 488 calibration, troubleshooting, maintenance, sensor and measuring-cell replacement, retrofit, and system replacement.
BilgMon 488 Key Features
0–30 PPM Measurement Range – Supports continuous oil-content measurement.
Adjustable 1–15 PPM Alarm Range – Provides configurable alarm thresholds.
Optical Scattered-Light Measurement – Enables oil-content detection through an optical measurement principle.
Automatic Fresh-Water Flushing – Helps maintain the measuring cell for reliable operation.
Dual Alarm Outputs – Provides two adjustable alarm outputs for monitoring and control functions.
LCD Display & Keypad – Provides access to measurements, settings, and system information.
0/4–20 mA Output – Supports integration with vessel monitoring and automation systems.
USB Data Retrieval – Allows operating information and alarm data to be retrieved.
Multiple Power Supply Options – Supports 24V AC/DC and 115/230V AC configurations.
Compact Marine Design – Suitable for shipboard OWS installations and retrofit applications.
BilgMon 488 Technical Specifications
| Specification | BilgMon 488 |
|---|---|
| Measurement Range | 0–30 ppm |
| Alarm Range | 1–15 ppm |
| Measurement Principle | Optical scattered-light |
| Alarm Outputs | 2 adjustable outputs |
| Analog Output | 0/4–20 mA |
| Power Supply | 24V AC/DC or 115/230V AC |
| Display | LCD with keypad |
| Flushing | Automatic fresh-water flushing |
| Data Interface | USB |
| Application | 15 PPM Bilge Monitoring / OWS |
| Type Approval | IMO MEPC.107(49) |
BilgMon 488 – Key Benefits
Accurate Oil Content Monitoring
Continuous measurement helps operators monitor oil concentration in bilge water and maintain better control over OWS discharge operations.
Reliable 15 PPM Alarm Protection
Configurable alarm functionality provides timely indication when the oil concentration reaches the selected alarm threshold.
Enhanced Environmental Protection
Reliable bilge monitoring helps reduce the risk of uncontrolled oily-water discharge and supports responsible marine operations.
Simplified Maintenance
The system’s measuring-cell and flushing arrangements can help simplify routine maintenance, inspection, and servicing.
Easy Marine System Integration
Alarm outputs and analog interfaces allow the BilgMon 488 to be incorporated into existing OWS and shipboard automation systems, subject to the vessel’s approved configuration.
Cost-Effective Retrofit Potential
The compact design makes the BilgMon 488 suitable for replacement and modernization projects involving older or obsolete bilge monitoring equipment.
International Approvals & Compliance
The BilgMon 488 is associated with IMO Resolution MEPC.107(49) requirements for 15 ppm bilge alarms and oily-water separating equipment. Its application also relates to the wider pollution-prevention requirements of MARPOL Annex I.
Swift Marine Tech Services Pte Ltd supports vessel operators with technical service and documentation related to:
IMO MEPC.107(49)
MARPOL Annex I
15 ppm bilge monitoring requirements
Oily Water Separator monitoring
Marine equipment type-approval documentation
Calibration and service records
Vessel inspection preparation
Port State Control readiness
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BilgMon 488 15 PPM Bilge Alarm – Precise Monitoring, Reliable Protection
The BilgMon 488 is a marine oil content monitoring and 15 ppm bilge alarm system designed for use with Oily Water Separators (OWS). Swift Marine Tech Services Pte Ltd supports vessel owners, ship managers, technical superintendents, and marine engineers with dependable bilge monitoring solutions designed to support accurate oil-content measurement, reliable alarm operation, and compliance with applicable marine environmental requirements.
The BilgMon 488 is a marine 15 ppm bilge alarm and oil content monitoring system used with oily water separator installations to monitor the oil concentration of discharged bilge water. The system provides continuous monitoring and alarm functionality when the measured oil content approaches or exceeds the permitted discharge limit.
A properly maintained 15 ppm bilge alarm system is an important part of a vessel’s pollution-prevention arrangement, supporting compliance with applicable MARPOL Annex I requirements and IMO standards for oily-water discharge monitoring.