The TriLux is an innovative series of new low cost digital in-situ fluorimeters, which offer the user significantly increased functionality to existing in-situ fluorimeter designs.  These fluorimeters are offered with the option of monitoring up to three different fluorescent parameters within a single probe.

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Users can select from a wide range of fluorescent parameters, specifying the TriLux tailored to their monitoring requirements.


Back to Fluorimeters' page Combinations available:
Chlorophyll-a,Phycoerythrin,Phycocyanin
Chlorophyll -a,Nephelometer,Phycoerythrin  
Chlorophyll -a, Nephelometer, Phycocyanin
Specification  Datasheet Send us your enquiry

Applications

Product Description

- Algae class studies 
- Chlorophyll-a monitoring
- Environmental monitoring
- Particulate studies 
- Designed for moored, profiled, towed or
ROV / AUV platforms
 
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Features
- Miniature, low cost multi-wavelength fluorimeter
- Range of wavelength configurations available
- Digital output in engineering units 
- High sensitivity Additional analogue output as standard
- User selectable sampling rate, 0.1Hz-3Hz
- Low power consumption
- Internal referencing of excitation intensity
- High rejection of ambient daylight 
- Low Noise, high sensitivity 
- Low turbidity breakthrough 
- User adjustable dynamic range
- RS232 & analogue output (or RS422 option)
- Acetal C housing
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Accessories
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A Lux USB interface cable which allows the TriLux fluorimeter to be powered directly from a USB enabled laptop or PC.

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For stand-alone field applications it will be possible to deploy TriLux using a small, handheld, portable interface and power unit, which provide wireless communications to commercially available PDA’s and Bluetooth enabled laptops.

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Flow-through manifold/light shield

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Calibration cell

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Secondary standard

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TriLux can be supplied with the Hydro-Wiper from Zebra-Tech Ltd

Anti bio-fouling:TriLux can be 
supplied with the Hydro-Wiper from  Zebra-Tech Ltd

The innovative TriLux range of digital, in-situ, multi-wavelength, fluorimeters provides the user with increased functionality when compared to other fluorimeters. CTG has used expertise gained within its Life Science Group to employ manufacturing techniques that have resulted in a significant reduction in production costs, providing the marine, fresh water, surveying markets with a low cost, high performance sensor.

The TriLux operates in a different fashion to a single wavelength fluorimeter, providing information about the proportion of different light harvesting pigments in the algal sample being interrogated. The TriLux operates on the principle that energy absorbed by the light harvesting pigments is rapidly transferred to Chlorophyll-a, where it is used to initiate a cycle of photosynthesis. A proportion of the energy absorbed, however, is re-emitted as fluorescence at 685nm.  All versions of TriLux come with a Chlorophyll-a channel as standard, two other channels can then be selected from phycoerythrin, phycocyanin or a nephelometer options. The TriLux allows the user to assess the relative contribution to Chlorophyll-a fluorescence emission from the different light harvesting pigments absorbing light at each of the chosen excitation wavelengths. This information can then be used to make an assessment of the different classes of phytoplankton present in the sample.

Two signals can be obtained from the standard TriLux: the first is a digital RS232 output in engineering units, the second a 0V to 5V volt calibrated analogue output derived from the digital signal. A single RS422 output is also available as an option. This flexibility makes the TriLux suitable for integrating into many different systems and platforms.

A Windows based Graphical User Interface (GUI) is provided that allows the user to both plot and record time stamped data when operating the UniLux directly from a PC and gives control over a many instrument parameters, including: sampling rate, dynamic range, and calibration factors.

Although small and low cost, the TriLux fluorimeter maintains the performance standards and build quality previously maintained by the CTG’s range of in-situ fluorimeters.


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Specification
The Chlorophyll-a is calibrated for a 0-100 μg/L range (Chlorophyll-a in acetone), with the other fluorescence channels being normalised to this calibration. The nephelometer channel (if present) is calibrated to a 0-100FTU range.

  Performance: 

 

Wavelength 
Option

Dynamic Range 
(μg/L FTU)

Limit of Detection 
(μg/L FTU)
Accuracy (deviation from fit) 
(μg/L FTU)

Chlorophyll-a

0 to 100  

<0.08 <0.05

Phycoerythrin

     

Phycocyanin

     
       

Chlorophyll -a

0 to 100   <0.08 <0.05

Nephelometer

0 to 100   <0.01 <0.05

Phycoerythrin  

     
       

Chlorophyll -a

0 to 100   <0.08 <0.05

Nephelometer

0 to 100   <0.01 <0.05

Phycocyanin

0 to 100      

  Mechanical: 

 

Size: 

26.5mm dia x 105mm (140mm to end of connector)

Weight in air:    

100g  

Pressure housing:   

Acetal C  

Depth rating: 

600 metres  

Connector:   

MCBH-6-MP-SS 

  Electrical: 

 

Input voltage:

11 to 18Vdc

Data output:

Digital RS232 and analogue 0 to 5Vdc (RS422 as an option)

Power requirements:

< 1Watt@ 12 volt 

Delivery Package:  TriLux, Handbook, flying lead (0.5m) with locking sleeve & Graphical User Interface.

All instruments & support systems can be supplied by Chelsea Technologies Group  


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