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SCHALLER VISATRON OIL MIST DETECTOR
Leading crankcase oil mist detection system providing early warning to prevent main engine crankcase explosions – mandatory safety equipment
ManufacturerSchaller Automation
Detection Range0–2.5 mg/L
Alarm Set PointAdjustable 0.3–1.3 mg/L
ApprovalMED / DNV / ABS
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| Measurement Principle | Photoelectric (light scattering) |
| Oil Mist Density Range | 0 – 2.5 mg/L |
| Alarm Levels | Pre-alarm + Main alarm (adjustable) |
| Response Time | < 30 seconds |
| Sampling Points | Up to 16 cylinders + crankcase (Visatron VN 87 / VN 115 series) |
| Output Signals | 4–20 mA, Relay contacts (alarm/shutdown), Modbus RTU |
| Power Supply | 24 V DC |
| Protection Class | IP54 / IP65 (control unit) |
| Approvals | MED (Wheelmark), DNV, ABS, Lloyd’s Register, BV, GL |
| Applications | Main engine crankcase monitoring (2-stroke & 4-stroke diesel engines) |
Schaller Visatron VN series – the most widely installed oil mist detector worldwide – provides reliable early detection of oil mist in crankcases, preventing catastrophic explosions in compliance with SOLAS, IMO & class rules.
