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WhatsApp : +88 01818929292 / +8801730296909
info@smmarineservice.com sohelbhuiyan1213@gmail.com arafatbhuiyan3657@gmail.com
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SPECS Vision-R Remote Monitoring Unit Oil Mist Detection System (OMD)

Item Code:

Oil Mist Detector

Brand:

SPECS Corporation

Condition:

Refurbished


Manufacturer

SPECS Corporation

Country of Origin

South Korea

Product Type

Remote Monitoring Unit (RMU) for Oil Mist Detection System

Marine Application

Main Engine Crankcase Oil Mist Monitoring and Alarm System


Product Introduction

The SPECS Vision-R Remote Monitoring Unit is a central monitoring and alarm panel designed for the Oil Mist Detection System (OMD) installed on marine diesel engines. It continuously communicates with oil mist detectors installed on each crankcase compartment, displaying system status, channel information, and alarm conditions to the engine control room or engine control console.

The Vision-R Remote Monitoring Unit supports up to 12 detector channels via an RS-485 communication network, providing early warning of abnormal oil mist concentrations that may indicate bearing overheating or the potential for crankcase explosion.

For commercial vessels, this equipment plays a critical role in engine safety and compliance with marine safety requirements.

SM MARINE SERVICE™ supplies genuine, used, and professionally reconditioned SPECS Vision-R Remote Monitoring Units, spare parts, repair services, calibration, and worldwide technical support.


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https://images.openai.com/static-rsc-4/Fb-GJfY2aC9F1yv2iAyaGuBytPuHTiDA1MvXHUIyXqCBmmAflmQV4PL9UuQsMiWCqnHvso5J7LU6mDI-r3aa801J2yTGozo2G8AUmtBimXKz6GEu5UdSaYJ0jUG8Z3reug_sfxNvKUsCDEBkNapguEUZ9TBw8um6L3QOK_17Fq1cUMlI-29aLp6S882Q_jaX?purpose=fullsize
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5

What is the SPECS Vision-R Remote Monitoring Unit?

The Vision-R RMU is the operator interface of the Oil Mist Detection System. It collects information from multiple oil mist detector heads installed on the main engine crankcase and presents the data on a centralized monitoring panel.

When abnormal oil mist levels are detected, the system immediately activates visual and audible alarms, enabling engineers to take corrective action before dangerous conditions develop.

The remote monitoring unit is normally installed in:

  • Engine Control Room (ECR)
  • Machinery Control Console
  • Engine Monitoring Panel
  • Central Alarm System

Main Features

The SPECS Vision-R provides advanced monitoring functions including:

  • Supports up to 12 detector channels
  • Continuous crankcase oil mist monitoring
  • LED channel status indication
  • High oil mist concentration alarm
  • System fault alarm
  • RS-485 communication interface
  • Alarm acknowledgement function
  • Alarm reset function
  • Compact industrial enclosure
  • Reliable 24 VDC operation
  • Easy installation and maintenance
  • Designed for harsh marine environments

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https://images.openai.com/static-rsc-4/vZZX-bp56LaU5-mUpH1KJifZrF38nqEE1xdlnivG0NFL33_V_4AFq--ujZOLo60pPpBtvtZA7-3VHhWJJJsdi5jt4u_ERM73YmfDDYXGtGV8BKW1ZbesqEBlNN5NxKwDKE2IGS1dZbY0ITgtfuoghqYUGYV0CF8rZ1kPEtS0rtf3yPwZmYQ0ZZ951952QQoY?purpose=fullsize
4

Main Components

A complete SPECS Vision-R OMD system typically includes:

  • Vision-R Remote Monitoring Unit
  • Oil Mist Detector Heads
  • Optical Sensor Modules
  • Control Processor
  • RS-485 Communication Network
  • Alarm Circuit
  • LED Status Indicators
  • Power Supply Module
  • Main PCB
  • CPU Board
  • Interface Board
  • Wiring Harness
  • Junction Boxes

Working Principle

Each detector continuously samples crankcase air and measures the concentration of suspended oil mist particles using optical sensing technology.

The detector transmits real-time data to the Vision-R Remote Monitoring Unit through the RS-485 communication network.

If the oil mist concentration exceeds the preset alarm threshold, the Vision-R immediately:

  • Identifies the affected cylinder or detector channel
  • Activates audible and visual alarms
  • Sends alarm signals to the ship's monitoring system
  • Helps engineers investigate the source before crankcase damage or explosion occurs

Marine Applications

The SPECS Vision-R is widely installed on:

  • MAN B&W Main Engines
  • Wärtsilä Marine Engines
  • Sulzer Marine Engines
  • Mitsubishi Marine Engines
  • Hyundai Heavy Industries Engines
  • Doosan Marine Engines
  • Daihatsu Auxiliary Engines
  • Offshore Power Plants
  • Generator Engines
  • Marine Diesel Power Stations

Common Problems & Troubleshooting

Communication Failure

Possible causes:

  • RS-485 cable fault
  • Loose terminal connections
  • Communication board failure

Detector Offline

Possible causes:

  • Detector power loss
  • Faulty detector module
  • Damaged communication cable

False Oil Mist Alarm

Possible causes:

  • Dirty optical chamber
  • Sensor contamination
  • Incorrect calibration
  • Excessive engine vibration

No Display or Indicators

Possible causes:

  • 24 VDC power failure
  • Internal PCB damage
  • Power supply module fault

Continuous System Alarm

Possible causes:

  • Detector communication error
  • Internal processor fault
  • Alarm configuration issue

Preventive Maintenance

To ensure reliable performance:

  • Clean detector optical chambers regularly.
  • Verify RS-485 communication integrity.
  • Inspect wiring terminals for corrosion.
  • Perform scheduled calibration.
  • Test alarm functions periodically.
  • Inspect power supply voltage.
  • Replace damaged detector heads when required.
  • Follow manufacturer maintenance recommendations.

Why Ships Continue Using the SPECS Vision-R

The Vision-R remains popular because it offers:

  • Proven reliability
  • Fast alarm response
  • Easy operation
  • Simple maintenance
  • Stable communication
  • Long service life
  • Readily available spare parts
  • Excellent compatibility with existing engine monitoring systems

Frequently Asked Questions (FAQ)

What is the main purpose of the Vision-R Remote Monitoring Unit?

It monitors oil mist detectors installed on the engine crankcase and provides centralized alarm and status indication.

How many detector channels can it support?

The standard Vision-R supports up to 12 monitoring channels.

Can the Vision-R be repaired?

Yes. Power supply modules, communication boards, display circuits, and main PCBs can often be repaired or replaced.

Is calibration required?

Yes. Regular calibration and functional testing are recommended to maintain reliable detection performance.

Does SM MARINE SERVICE™ supply this equipment?

Yes. We supply New, Used, and Professionally Reconditioned SPECS Vision-R Remote Monitoring Units, spare parts, repair, calibration, and worldwide shipping.


Short Product Description

The SPECS Vision-R Remote Monitoring Unit is a marine Oil Mist Detection System controller designed to monitor crankcase oil mist detectors, display detector status, and provide immediate alarms for abnormal oil mist concentrations. It enhances engine safety by helping prevent crankcase explosions through continuous monitoring and early fault detection.


User Manual & Technical Resources

Available technical documentation typically includes:

  • User Manual
  • Operation Manual
  • Installation Manual
  • Service Manual
  • Maintenance Manual
  • Wiring Diagram
  • Calibration Procedure
  • Troubleshooting Guide
  • Spare Parts Catalogue

SM MARINE SERVICE™

SM MARINE SERVICE™ supplies New, Used, and Professionally Reconditioned marine automation and engine safety equipment.

We provide worldwide supply, spare parts sourcing, repair, calibration, technical support, and fast international delivery.

Bangladesh Office
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh

China Warehouse & Support Center
Shanghai, China

Website
www.smmarineservice.com

Email
info@smmarineservice.com

WhatsApp
+8801818929292

Marketing Contact
Nazmul Hasan Bhuiyan


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