Oil Film Detector
Apolarm™ LMD-3000N

The Last Line of Defense

— An elite oil film detection device that never misses surface anomalies

✓ High-end model designed for long-range applications (Detects 0.3m – 4m)
✓ Full coverage with zero blind spots — 360° scanning
✓ Minimize false alarms — With Area Detection
✓ Easy installation, precise detection — No optical alignment required.
✓ See everything at a glance — Large display
✓ Minimize running costs (No parts replacement required for 10 years)

Specifications — LMD-3000N System

Model
LMD-3000N

Subject of detection
Oil films floating on water surface or floor
(gasoline, kerosene, light oil, heavy oil, insulation oil, lubricating oil, etc.)

Detection method
Laser beam scanning and reflected light receiving

Light source
Semiconductor laser output 1 mW or less (Class 2)

Alarm setting and determination
Oil film level, oil film area, oil film duration, alarm determination (alarm is generated when the condition exceeding the set level continues for the oil film continuing time or more.)

Output
1-point current output (4 to 20 mA according to the light receiving level) and 2-point contact output (oil film alarm, equipment failures, level abnormality)

Display
Light receiving level (4 to 20 mA), oil film area (0 to 100%), setting level, operation display

Power supply
AC 100 V ±10% 50/60 Hz 100 VA or less

Supplied cable
Power cable (1.25 mm sq., 3-wire, 5 m), signal cable (0.5 mm sq., 8-wire shielded, 5 m)

Installation conditions
Installation inclination (±3° or less), no freeze of water surface subject to oil film detection, direct sunlight and rain protection required, detection distance: 0.3 to 4 m (max. 6 m for still water surface)

Surrounding environment
Temperature: -10 to 50°C

Structure
Sealed structure, applicable for outdoor use, equivalent to IP66

External dimensions
φ185 × 439 (H) mm

Weight
Approx. 8.4 kg (including accessory cable of 1.4 kg)

Option
Shading hood, anti-fog hood, mounting stand