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Specification
Product name
Laser scanning type surface oil 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 (
) 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
Setting and Indication Indicator
3.5 inch Touch panel (After the cover is removed, it operates
touch panel.)
(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)
Summary of Contents for LO-300
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