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Multi-Exciter

POINT 1
9-wavelength excitations
POINT 2
High sensitive fluorescent measurements in turbid water
POINT 3
Automatical classifications by the processing software
POINT 4
Library function of chlorophyll-specific spectra for processing
POINT 5
Anti-fouling mechanical wiper
POINT 6
Multi-parameters: turbidity, temperature and depth

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Prepared in May 2012
Specifications are subject to change.

Sensor Specifications

Parameter Excitation spectra Turbidity Temperature Depth
Principle Fluorescence Near IR backscattering Thermistor Semiconductor pressure sensor
Excitation/light Source wavelength 375, 400, 420, 435, 470, 505, 525, 570, 590 nm 880nm
Range 0 to 400ppb (Calibrated against Rhodamine WT) 0 to 1,000FTU (Calibrated against Formazin) -5 to 45ºC 0 to 50m
0 to 100m
0 to 500m
Accuracy (Repeatability) ± 2%FS(0 to 100ppb)*1 ± 5%FS ± 0.02ºC *2 ± 0.3%FS

*1. 570nm of fluorescence output against 100ppb of Rhodamine solution is tuned to output 100-digit count for fluorescence intensity. Other wavelengths are standardized in accordance with the fluorescence characteristics of the Rhodamine solution.
*2. Guaranteed temperature accuracy range: 3 to 31ºC.

Instrument specifications

Instrument specifications

Version Logger Cable
Depth range 0 to 50m 0 to 100m 0 to 500m 0 to 50m 0 to 100m
Model name MFL05W
-USB
MFL10W
-USB
MFL50W
-USB
MFL05W
-CAD
MFL10W
-CAD
Communication USB RS-485
Memory medium microSD card
(waterproof & high speed type)
Depends on external devices
Measuring mode Coutinuous/Burst mode
Mode Continuous Sampling interval 0.1to 600 seconds 0.5/1/2/5/10/15/20/30 seconds
Burst Sampling interval
Burst sampling interval 1 to 1,440 minutes 1 to 1,440 minutes
No. of samples 1 to 18,000 1/10/15/20/30/60/120/
180/240/300/600/1,200
Battery 3V(CR-V3) *1 DC12V to 24V
Current/Power consumption Approx. 300mA Approx. 900mW
Dimensions ø79mm×301mm ø79mm×244mm
(Without cable)
Weight Approx. 1.8kg Approx. 1.6kg
material Housing : titanium (grade 2) Optical
sensor : Epoxy-acrylic resin
Depth rating 500m *2

*1. 3.3Ah, Up to 4 pieces.
*2. With the exception of the pressure sensor. The depth rating of pressure sensor is defined in accordance with the depth range.

Drawing

Drawing

Ocean and River Instruments

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