
SMTS Marine Solutions LLC provides specialized BilgMon 488 15 ppm bilge alarm service, calibration, troubleshooting, repair, retrofit, replacement, and maintenance solutions for commercial vessels, offshore platforms, ship operators, and marine engineering companies. Our marine service team supports reliable operation of 15 ppm bilge monitoring systems and oily water separator (OWS) equipment, helping vessel operators maintain environmental compliance and minimize operational downtime.
BilgMon 488 15 PPM Bilge Alarm Service, Calibration & Retrofit Solutions | SMTS Marine Solutions LLC
BilgMon 488 Key Features
- Accurate 0–30 ppm Oil Content Monitoring – Continuously measures oil concentration in treated bilge water.
- Adjustable 1–15 ppm Alarm Settings – Provides configurable alarm levels, with 15 ppm as the standard maximum setting.
- Dual Alarm Outputs – Two adjustable alarms provide monitoring and control functions for vessel operations.
- Automatic Discharge Control – Alarm/relay outputs can interface with the automatic stopping device to control overboard discharge.
- Detachable Measuring Cell – The measuring cell can be removed and replaced with a calibrated cell, simplifying maintenance and calibration procedures.
- Wireless Sensor Communication – The measuring cell communicates wirelessly with the master unit, supporting easy sensor replacement.
- Automatic Fresh-Water Flushing – Helps maintain the measuring cell during operation and supports reliable measurement performance.
- LCD Display & Keypad Interface – Provides convenient access to measurements, system information, settings, and operational functions.
- Data Logging & USB Data Retrieval – Operating data and alarm logs can be retrieved through the display or USB interface.
- 0/4–20 mA Output – Provides an analog output corresponding to the oil-content measurement for remote monitoring and recording.
- Multiple Power Supply Options – Available configurations support 115/230 VAC or 24V AC/DC power supplies.
- Compact Retrofit Design – Its compact construction makes the BilgMon 488 suitable for retrofitting existing oily water separator installations.
- IMO MEPC.107(49) Type Approval – Designed and type-approved according to the IMO requirements specified in Resolution MEPC.107(49).
- Scattered-Light Measurement Principle – The system uses optical scattered-light technology for real-time oil-content detection.
- Flow Monitoring Option/Configuration – Certain BilgMon 488 versions, such as versions equipped with a flow switch, can detect no-flow conditions and generate an alarm.
BilgMon 488 – Key Benefits
- Enhanced Marine Environmental Protection – Helps reduce the risk of excessive oily-water discharge and supports responsible vessel operations.
- Reliable 15 PPM Alarm Protection – Provides timely alarm indication when oil content reaches the configured alarm level.
- Improved OWS Performance – Works with oily water separator systems to support effective monitoring and discharge control.
- Reduced Risk of Operational Downtime – Reliable monitoring and diagnostic functions help identify potential system issues quickly.
- Reduced Maintenance Requirements – Automatic flushing helps maintain the measuring cell and support consistent monitoring performance.
- Flexible System Integration – Alarm, relay, and analog signal outputs support integration with existing shipboard monitoring and automation systems.
- Better Inspection Readiness – Reliable operation and proper maintenance records help vessel operators prepare for environmental and equipment inspections.
- Cost-Effective Retrofit Solution – Compact construction makes the BilgMon 488 suitable for upgrading or replacing older 15 ppm bilge monitoring systems.
- Continuous Monitoring Capability – Enables ongoing oil-content monitoring during applicable OWS discharge operations.
- Improved Vessel Compliance Support – Helps operators maintain reliable bilge monitoring as part of their overall MARPOL and vessel environmental management procedures.
- Enhanced Operational Reliability – Designed to provide dependable monitoring in demanding marine and engine-room environments.
- Simplified Fault Identification – Alarm and diagnostic indications assist engineers in identifying sensor, flow, communication, and system-related issues.
Extended Equipment Service Life – Regular calibration, maintenance, and replacement of wear-related components can help keep the monitoring system operational for longer.
International Approvals & Compliance of BilgMon 488
The BilgMon 488 15 PPM Bilge Alarm is type approved according to IMO Resolution MEPC.107(49), the IMO requirements covering pollution-prevention equipment for machinery-space bilges. The manufacturer states that the BilgMon 488 meets the applicable requirements for a 15 ppm bilge alarm and is suitable for use with most 15 ppm oily-water separators.
Key Compliance Standards
- IMO Resolution MEPC.107(49) – Type-approval requirements for 15 ppm bilge alarms.
- MARPOL 73/78 Annex I – Supports requirements for prevention of oil pollution from ships.
- 15 PPM Bilge Alarm Requirements – Designed for monitoring oil content in machinery-space bilge discharge.
- Marine Type Approval – The equipment is type approved for shipboard applications according to the applicable IMO requirements.
- Environmental Testing Requirements – The manufacturer specifies operating temperature capabilities exceeding the MEPC.107(49) requirements, with water temperature up to +45°C and ambient temperature up to +55°C.
Compliance note: Specific class approvals, MED/Wheelmark status, and certificate validity can depend on the particular BilgMon 488 production version and certificate.
BilgMon 488 – Technical Specifications
| Specification | BilgMon 488 |
|---|---|
| Measurement Range | 0–30 ppm |
| Alarm Range | 1–15 ppm |
| Measurement Principle | Optical scattered-light measurement |
| Alarm Outputs | 2 adjustable alarm outputs |
| Analog Output | 0/4–20 mA |
| Power Supply | 24V AC/DC or 115/230V AC |
| Display | LCD display with keypad |
| Flushing | Automatic fresh-water flushing |
| Data Interface | USB data retrieval |
| Application | 15 ppm Bilge Monitoring / OWS |
| Type Approval | IMO MEPC.107(49) |
BilgMon 488 Calibration Service – Accurate 15 PPM Monitoring
Regular calibration and verification are essential for maintaining the accuracy and reliability of a 15 ppm bilge alarm. SMTS Marine Solutions LLC provides technical support for:
BilgMon 488 calibration and verification
Oil-content measurement checks
40 NTU calibration verification
Sensor performance testing
Measuring cell inspection and replacement
Calibration status verification
Alarm function testing
Relay and signal verification
Preventive maintenance support
Calibration documentation assistance
Proper calibration helps reduce inaccurate readings, unnecessary alarms, and potential operational interruptions.
Troubleshooting & Repair – Fast Marine Technical Support
Bilge alarm faults can affect oily water separator operation and vessel compliance. Our marine engineers provide troubleshooting support for common BilgMon 488 problems, including:
RTC failure alarms
CR1225 RTC battery replacement
Sensor communication faults
Measuring cell-related issues
No-flow alarms
Flushing problems
Display faults
Relay faults
ASD relay troubleshooting
Alarm reset issues
Configuration-related problems
Signal and communication faults
Our troubleshooting approach focuses on identifying the cause of the fault and restoring reliable operation with minimum vessel downtime.
Why Choose SMTS Marine Solutions LLC?
SMTS Marine Solutions LLC combines marine automation expertise and onboard equipment service experience to support vessel operators with reliable bilge monitoring solutions.
- Experienced Marine Technical Team
- We specialize in marine environmental compliance systems, marine automation, and onboard vessel support services.
- Worldwide Vessel Support
- Our engineers provide global onboard attendance, troubleshooting, calibration, inspection, and technical assistance services.
- Fast & Reliable Service
- We deliver prompt marine technical solutions to minimize vessel downtime and improve operational reliability.
- Complete Marine Support Solutions
For professional support regarding BilgMon 488 service and 15 ppm bilge alarm solutions, calibration services, troubleshooting, annual inspections, retrofit solutions, and spare parts supply, contact:
Your trusted marine partner for environmental compliance systems, vessel automation solutions, and professional marine technical support worldwide.
