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Máy đo màng dầu trong nước Horiba LO-300

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Hãng: Horiba
Tình trạng: Còn hàng
Bảo hành: 12 tháng
Model: LO-300

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Máy đo màng dầu trong nước Horiba LO-300 (Laser scanning Oil Film Detector LO-300)

Hãng: Horiba

Model: LO-300

 

Overview

Oil film detector LO-200 scans water surface with the laser and detects the film of oil.Because the oil is more reflective than the water, the intensity of light reflected from the oil will be greater than that from water surface.The LO-200 detects floating oil by sensing the difference in the intensity of reflection.
As compared with spotlight-based systems, The LO-200 adopted laser scanning method enables to operate more reliable against water surface level fluctuation, and widen distance between the water surface and the detector.

Features

  •  Usable with large water level fluctuation 

    The laser scanning will detect oil on water surfaces between 30 cm and 3 m from the detector, enabling use where there are surface waves or water level fluctuations.

  • Avoiding false alarms
    False alarms due to waves or reflective floating matter can be avoided by adjusting the continuous detection time

  • Resistance to interference from ambient light 
    Modulated light and a band-pass optical filter are used to eliminate interference from sunlight and other ambient.

  • Flexible application 
    In addition to detection of a film of oil or other liquid on water surfaces, the unit may be used for detection of oil, water, or other liquid on dry surfaces.

  •  Easy to maintain 

    No adjustment necessary when the scanner unit is replaced.

  • Easy to install
    The optical module is emplaced on a free-hanging assembly so that it corrects itself the optical axis to true vertical and does not require realignment if the unit shifts after installation.

    Specifications

    Model number

    LO-200

    Subject of detection

    Oil on water surface or liquid on floor

    Detection method

    surface scanning laser / reflected light sensor

    Laser emitter

    Semiconductor laser,wavelength (λ) 650 nm, output within 1 mW (class2)

    Mdulation laser frequency

    Approx. 50 kHz

    Scanning  mechanizm

    Oscillating mirror

    Detection range
    (refrractive index of scanned media)

    Model 1

    1.00 (no reflection) to 1.58

    Model 2

    1.33 (water) to 1.58

    Leak detection

    Detection cycle

    1 sec. (fixed)

    Continuous detection time (N)

    1 - 99 sec. (adjustable at 1 sec. intervals)

    Leak detection alert

    Engages when current from light sensor exceeds threshold setting for N consecutive seconds.

    Error

    Malfunction

    Engage when laser emission, laser scanning, or motor rotation fails

    Abnormal light sensing

    Engage when floating debris produces no reflection or abnormally strong reflection.

    Output

    Relay signal outputs (leak detected and error)

    Dry contact relay, form A and B; max.
    load is 4 A at 250 V AC or 30 V DC.

    Current output

    Intensity of light picked up by the sensor is converted to a 0 - 20 mA current signal.

    Adjustments and displays

    Light sensing level

    Displayed with 17-LED bar indicating 0 - 20 mA

    Leak detection current threshold

    Displayed with 17-LED bar indicating 0 - 20 mA; adjusted by potentiometer dial

    Continuous detection time

    Adjusted with two rotary switches, one for 10 sec. increments and one for 1 sec. increments

    Operating lamps

    Green LED (RUN) indicates operation
    Yellow LED (ERR) indicates error, red
    LED (ALM) indicates leak detected.

    Power supply

    AC 100 V ± 10 %  50 or 60 Hz signal-phase, 100 VA max. 27 w (typ.)

    Operating temperature

    -10 to +50 ℃ (if water surface not frozen)

    Weatherability

    Water-tight construction for outdoor use

    Materials / surface treatments

    Cylindrical shroud

    Alumite-treat aluminum, polyurethane finish

    Display box

    Alumite-treat aluminum, polyurethane finish

    Finish color

    Japan Paint Manufacturers Association U35-85B

    External dimentions

    185 mm Φ × 535 mm H

    Weight

    Approx. 14 kg

    Attached cables

    12 m, 1.25 mm sq., 3-wire power cable
    12 m, 0.5 mm sq., 6-wire shield sheath signal cable

    Installation condeitions

    Maximum 3 ° off true vertical
    Use shade where necessary to avoid direct sunlight
    Prevent freezing of scanned water surface
    Use rain hood where necessary
    Max. 3 m between detector and scanned surface

     

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Specifications

Model number

LO-200

Subject of detection

Oil on water surface or liquid on floor

Detection method

surface scanning laser / reflected light sensor

Laser emitter

Semiconductor laser,wavelength (λ) 650 nm, output within 1 mW (class2)

Mdulation laser frequency

Approx. 50 kHz

Scanning  mechanizm

Oscillating mirror

Detection range
(refrractive index of scanned media)

Model 1

1.00 (no reflection) to 1.58

Model 2

1.33 (water) to 1.58

Leak detection

Detection cycle

1 sec. (fixed)

Continuous detection time (N)

1 - 99 sec. (adjustable at 1 sec. intervals)

Leak detection alert

Engages when current from light sensor exceeds threshold setting for N consecutive seconds.

Error

Malfunction

Engage when laser emission, laser scanning, or motor rotation fails

Abnormal light sensing

Engage when floating debris produces no reflection or abnormally strong reflection.

Output

Relay signal outputs (leak detected and error)

Dry contact relay, form A and B; max.
load is 4 A at 250 V AC or 30 V DC.

Current output

Intensity of light picked up by the sensor is converted to a 0 - 20 mA current signal.

Adjustments and displays

Light sensing level

Displayed with 17-LED bar indicating 0 - 20 mA

Leak detection current threshold

Displayed with 17-LED bar indicating 0 - 20 mA; adjusted by potentiometer dial

Continuous detection time

Adjusted with two rotary switches, one for 10 sec. increments and one for 1 sec. increments

Operating lamps

Green LED (RUN) indicates operation
Yellow LED (ERR) indicates error, red
LED (ALM) indicates leak detected.

Power supply

AC 100 V ± 10 %  50 or 60 Hz signal-phase, 100 VA max. 27 w (typ.)

Operating temperature

-10 to +50 ℃ (if water surface not frozen)

Weatherability

Water-tight construction for outdoor use

Materials / surface treatments

Cylindrical shroud

Alumite-treat aluminum, polyurethane finish

Display box

Alumite-treat aluminum, polyurethane finish

Finish color

Japan Paint Manufacturers Association U35-85B

External dimentions

185 mm Φ × 535 mm H

Weight

Approx. 14 kg

Attached cables

12 m, 1.25 mm sq., 3-wire power cable
12 m, 0.5 mm sq., 6-wire shield sheath signal cable

Installation condeitions

Maximum 3 ° off true vertical
Use shade where necessary to avoid direct sunlight
Prevent freezing of scanned water surface
Use rain hood where necessary
Max. 3 m between detector and scanned surface

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