"> GE Marine GE OMD-7 8ch
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GE Marine

GE OMD-7 8ch

GE Marine GE OMD-7 8ch is a crankcase oil-mist detector in the supplied category 'Oil Mist Detection / Oil Mist Detector'. It is normally installed on or close to a diesel engine with sampling connections from the crankcase spaces. It is intended to detect an abnormal oil-mist condition that can precede a crankcase fire or explosion. Compared with neighbouring entries in the same series, the supplied list identifies this unit by its model designation; the meaning of any embedded size or rating code should be confirmed in manufacturer documentation. In service it interfaces with crankcase sampling pipes or sensors, the detector unit, engine alarm and shutdown logic and any cleaning-air arrangement. Model-specific limits, settings, dimensions and acceptance criteria that are not stated in the supplied data should be taken from the manufacturer documentation.

Components & Design

Component data being added…

Technical Data

detection method scattered light
alarm threshold mg l 2.5
channels 8
engine cylinders max 8

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Common failures & inspection points

Contaminated optics or sensing chambers cause false alarms or reduced sensitivity
Blocked or leaking sample lines give slow or uneven response and may produce channel faults
Fan or suction failure prevents proper sampling, noticed as flow alarms or detector faults
Sensor or electronic faults cause channel failure, unstable indication or loss of self-test
Incorrect maintenance assembly or open sample connections can create persistent fault alarms

Service & Maintenance

Inspect sample pipes, drains, sensing chamber cleanliness, fans or flow devices and electrical connections. Run the prescribed self-test and functional test and verify alarm or shutdown transmission to the engine safety system. Do not substitute improvised sensitivity checks; exact test media, settings and acceptance criteria must follow manufacturer and engine documentation.

Suppliers & Spare Parts

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Replacement Parts

Keep approved cleaning materials, filters, seals, sampling-pipe fittings and critical sensor, fan or electronic modules according to the installed system's spares recommendation.
Equipment Model #70857 · ✓ still in production