Oil Film Detector
Apolarm™ LMD-600

The tiny sentinel

— instantly detecting even the slightest oil film.

✓ Entry model optimized for short-range applications
(Detects 0.3m – 2m)

✓ Built for harsh temperatures
(Enhanced heat resistance: −10°C to +60°C)

✓ Global-voltage compatible (100 – 240 V)

✓ Stable & precise detection –
Resistant to sunlight, waves, and water flow

✓ Effortless installation anywhere –
Compact and ultra-lightweight design

✓ Minimize running costs
(No parts replacement required for 10 years)
 

Specifications — LMD-600 System

Model
LMD-600

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 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
Three-color LED indicators (CPU STATUS, ALARM, and ERROR)

Power supply
100–240V AC ±10% single phase 50/60 Hz, 100 VA or less

Supplied cable
Power cable (1.25 mm², 3-wire, 5 m), signal cable (0.5 mm², 8-wire shielded, 5 m)

Installation conditions
Installation inclination (±1° or less), tilt adjustment required depending on detection distance and measurement conditions, avoidance of direct sunlight, measures against freezing and rain required for the monitoring surface, detection distance: 0.3 to 2 m.

Surrounding environment
Temperature: −10 to +60°C

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

External dimensions
φ185 × 364(H) mm

Weight
Approx. 6.4 kg (including accessory cable of 1.4 kg)

Option
Shading hood, anti-fog hood, mounting stand