HORIBA LO-300 Laser scanning oil film detector

Model number

LO-300

Subject of detection

Oil on water surface or liquid on floor

Detection method

Surface scanning laser/reflected light sensor

Detection distance

0.3 m to 4 m (Piezometric surface Max.6 m)

Laser emitter

Semiconductor laser, wavelength (λ) 650 nm, within 1 mW output (Class 2)

Modulation laser freq

About 50 kHz

Scanning Mechanical

Oscillation mirror

Leak detection

Leak detection alert

When the state to exceed a set level of “Oil WARNING” or “OIL
ALARM” passes longer than “CONT.TIME SET.”, it judges alert.

System Error

Malfunction

Engages when Temp., laser emission, laser scanning, motor rotation or power fails.

Abnormal light sensing

Engages when Upper light reception level, Lower light reception level, floating debris produces no reflection or abnormally strong reflection.

Contact output

Number of outputs

2

Output type

No-voltage contact output

Contact type

Relay contact; SPDT(1c)

Output capacity

250 V AC 4 A,30 V DC 4 A

Output 1

AL (Oil Alarm)

When “OIL ALARM” is detected, it operates.

Output 2

ER (System Error)

When “System Error” is detected, it operates.

Transmission output

Number of outputs

1

Output type

4 mA to 20 mA DC (Isolator)

Load resistance

Max. 550 Ω

Setting and Indication

(Indication)

Status of water surface

NORMAL RUN

OIL WARNING

OIL ALARM

HIGH LEVEL

LOW LEVEL

SYSTEM ERROR

Light reception level

4 mA to 20 mA is transformed converted into Level bar of 17 Step.

Surface Oil area

0% to 100% is transformed converted into Level bar of 10 Step.

LOG

Max. 100 points Alarm history

(Setting)

OIL LEVEL

Adjustment: 4 mA to 20 mA (1 mA carving)
Indication: red △ marker under LEVEL bar

AREA LEVEL

Adjustment: 0% to 90% (10% carving)
Indication: △ marker under AREA bar
Oil warning: Yellow △
Oil alarm: Red △

CONT.TIME

Adjustment: 0 seconds to 999 seconds (1 second carving)

RELAY OUT (AL)

Adjustment:
MODE: Select of Oil warning or Oil Alarm
TIME : 0 seconds to 99 seconds, ∞(infinity)

LEVEL ERR.

Adjustment: “ON” or “OFF”

MULTI-TRANS

Adjustment: “ON” or “OFF”

OVER LEVEL

Adjustment: 4 mA to 24 mA

DATE

Adjustment: Year/Month/Day/Hour/Minute

CONTRAST

Adjustment: CONTRAST LEVEL of LCD

COLOR

Adjustment: COLOR of LCD

FACTORY

Adjustment: at the time of shipment from the factory

Laser replacement
Contact output time setting

Adjustment: 0:00 to 23:59 (unit 1 minute)

Power supply

Power range

100 V AC ±10% 50/60 Hz

Power consumption

100 W less than

Other

With time-lag fuse (125 V 2 A)

Operating temperature range

−10℃ to +50℃ (without freeze)

Operating humidity range

Relative humidity: 5% to 95% (without condensation)

Compatible standards

CE marking

EMC Directive: EN61326-1

Low-voltage Directive: EN61010-1, EN60825-1

Structure

Installation

Outdoor installation type

Protection code

IP66 corresponding

Material

Detection part

AL (Chromate processing after urethane painting)

Setting and
Indication part

AL (Alumite processing after urethane painting)

Paint color

U35-85B (Edition U of JPMA)

External dimensions

φ185 mm × H547 mm

Mass

Main body: Approx. 11 kg; Cables: Approx. 1.4 kg

Installation condition

Installation inclination: less ±3°
It avoids direct sunlight and it sets it up.
Frozen provisions of the surface of the water of detection are necessary.
The rain avoiding provisions are necessary.

Attached cable

Power cable

1 cable (Length:5 m NA6UCL AWG16 × 3 cores (outer diameter φ10.4))

Signal cable

1 cable (Length:5 m NA3VCSB AWG21 (0.5 sq) × 8 cores with shield (outer diameter φ8.5))