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Time of issue:2020-04-29 00:00:00
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ECO Series Fluorescence and Turbidity Probe

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ECO Series Fluorescence and Turbidity Probe

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Product description
Technical indicators
Compared with the traditional laboratory spectrophotometry, the fluorescence method for measuring chlorophyll has the characteristics of fast response, high measurement resolution, low sample demand, and in-situ real-time measurement, which is favored by scientists at home and abroad. However, in situ fluorescence analysis is also affected by many factors such as external light intensity and fluorescence quenching. The ECO series of fluorescence and turbidity analyzers from WET Labs has an automatic modulation function, which can effectively filter the interference of the out-of-bound light. At the same time, with the turbidity sensor, it can effectively correct the signal attenuation of field monitoring during the daytime caused by fluorescence quenching and other reasons To improve accuracy, the principle is as follows: the instrument light source flashes 16 times per second, the instrument signal + external light signal is measured when the instrument light source is on, and the external light source signal is measured when the instrument light source is dark, average and subtract the external light After the signal is output, it can effectively filter the interference of the outer optical signal.
 
 
 
Measurement parameters
Chlorophyll, blue-green algae, CDOM, phycoerythrin, sodium fluorescein, rhodamine, turbidity, backscattering, etc.
Application field
It is suitable for long-term series self-contained monitoring, profile measurement, and portable measurement of chlorophyll and turbidity of the following water bodies:
Coastal waters
Estuary bay
Lakes and reservoirs
Rivers and streams
 
 
 
Performance characteristics and advantages
Simultaneous measurement of chlorophyll and turbidity with high sensitivity.
The measuring range can be adjusted according to the usage environment.
Used to evaluate the relationship between chlorophyll and turbidity.
Both digital and analog outputs can be easily integrated into the analog signal CTD or serial data system.
High precision and good stability. Compared with similar price and size products, it has a high cost performance.
Can be equipped with copper brush for long-term fixed-point continuous observation.
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We could not find any corresponding parameters, please add them to the properties table
Single parameter fluorescence, scatterometer
Physical parameter
diameter 6.3cm
Length (standard) 12.7cm
Weight in air 0.4kg
Weight in water 0.02kg
shell Paraformaldehyde
Optical parameters
Chlorophyll a ex/em: 470/695nm
Sensitivity 0.02μg/L
Range 0-125μg/L
CDOM ex/em: 370/460nm
Sensitivity 0.09ppb
Range 0-500ppb
Fluorescein sodium ex/em: 470/530nm
Sensitivity 0.05ppb
Range 0-400ppb
Rhodamine ex/em: 540/570nm
Sensitivity 0.03ppb
Range 0-230ppb
Phycoerythrin ex/em: 540/570nm
Sensitivity 1 0.03ppb
Range 1 0-230ppb
Phycocyanin ex/em: 630/680nm
Sensitivity 2 0.05ppb
Range 2 0-400ppb
Linear 99%R2
Backscatter
Wavelength: 470, 532, 650 nm
Sensitivity: 0.003 m-1
Range ~0.0024-5m-1
Linear ≥99% R2
Electrical parameters
Digital output resolution 14 people
RS-232 output 19200Baud rate
Analog output signal 0-5V
Built-in data logging Optional
Built-in battery Optional
Connector MCBH6MP
Input voltage 7-15VDC
Working current 50mA
Sleep current 140μA
Copper brush working current 140mA
Data memory 108000 samples
Sampling rate 8Hz
Anti-pollution copper brush Optional
Environmental parameters
temperature range 0-30℃
Depth level 600 meters (standard)
Pressure / temperature sensor Optional
1) Measured with rhodamine WT dye.
2) Measurement using BB3 dye.
3) The technical parameters are subject to change without prior notice.
FLNTU chlorophyll, turbidity meter
Physical parameter Electrical parameters
6.3cm in diameter Digital output resolution 12bit
Length 12.7cm (standard) RS-232 output 19200 baud rate
Weight in air 0.4kg (standard) Analog output signal 0-5V
Weight in air 0.4kg (standard) Built-in data storage optional
Shell material Polymer material (standard) Built-in battery optional
Environmental parameters Interface MCBH6MP
Temperature 0-30 degrees Power supply 7-15VDC
Depth 600m (standard) Current (normal) 60mA
Temperature optional Current (sleep) 140uA
Anti-biological copper brush optional Sampling frequency 8Hz frequency adjustable
Optical parameters (chlorophyll and turbidity)
Chlorophyll Turbidity
Wavelength ex / em 470/695 nm Wavelength 700 nm

 

Range Accuracy Range Accuracy
0-30 ug/L 0.008 ug/L 0-10 NTU 0.003NTU
0-50 ug/L 0.013 ug/L 0-25 NTU 0.007NTU
0-50 ug/L 0.013 ug/L 0-100 NTU 0.025NTU
0-75 ug/L 0.02 ug/L 0-200 NTU 0.06NTU
0-250 ug/L 0.03 ug/L 0-1000 NTU 0.25NTU
Note: There are other ranges to choose from, please contact the manufacturer.
Model selection:
FLNTU (RT) —Analog and RS-232 digital output, the instrument runs continuously after power on.
FLNTUB—With battery and memory, can be used for continuous observation and data storage.
FLNTUS—Without battery, with memory and copper brush, used for long-term fixed-point observation with external power supply, anti-biological pollution.
FLNTUSB—With battery, with memory and copper brush, used for long-term fixed-point observation, anti-biological pollution.

 

Three parameter analyzer
Optical parameters
Scattering wavelength 1 470,532,650nm
Sensitivity,470nm 0.003m-1
Sensitivity,532nm 0.003m-1
Sensitivity,650nm 0.003m-1
Range 0-5 m-1
Chlorophyll EX/EM 470/695nm
Sensitivity 0.025μg/L
Range 0-50μg/L
CDOM EX/EM 370/460nm
Sensitivity 0.28ppb
Range 0-375ppb
Oil in water EX / EM 370/460nm
Sensitivity 0.28ppb
Range 0-375ppb
Sodium fluorescein EX / EM 470/530nm
Sensitivity 0.15ppb
Range 0-300ppb
Rhodamine EX/EM 540/570nm
Sensitivity 0.09ppb
Range 0-175ppb
Phycocyanin EX/EM 630/680nm
Sensitivity2 0.15ppb
Range2 0-300ppb
Phycoerythrin EX/EM 540/570nm
Sensitivity3 0.09ppb
Range3 0-175ppb
Linear (all) 99% R2
Instrument parameters
diameter 6.3cm
length 12.7cm(standard)
Weight in air 0.4kg(standard)
Weight in water 0.02kg(standard)
Pressure chassis Paraformaldehyde
Electrical parameters
Digital output resolution 12 people
RS-232 output 19200Porter
Sampling frequency Up to 4Hz
Internal data record Have
Built-in battery Optional
Connector MCBH6M
Input 7-15VDC
Working current 60mA
Sleep current 140μA
data storage 77000 samples
Environmental parameters
Pressure / temperature sensor Optional
temperature range 0-30℃
Rated depth 600m
1) The backscatter technical parameters are given according to the attenuation of the instrument response, which is related to the light beam Cp measured at the same wavelength using an ac-s spectrophotometer. The conversion factor of the scattered light includes the target weight function and the solid angle.
2) Use BB3 dye test.
3) Measurement using rhodamine WT dye.
 

 

 

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