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Chelsea Technologies Group UviLux Sensor

UviLux Sensor: Real-time detection of aromatic hydrocarbons, CDOM, Tryptophan-like fluorescence, BOD or Optical Brighteners

UviLux sensor provides highly sensitive data on a wide variety of UV fluorescence parameters including Polycyclic Aromatic Hydrocarbons (PAH), CDOM, Tryptophan-like fluorescence (TLF), BOD and Optical Brightening Agents (OBA). The robust submersible housing and electronics provides the platform from which these different parameters can be measured via factory‑set configuration of the fluorometer optics.

  • Chelsea Technologies Group UviLux Sensor
Chelsea Technologies Group
55 CENTRAL AVE
KT8 2QZ WEST MOLESEY
United Kingdom

Description

UviLux sensor provides highly sensitive data on a wide variety of UV fluorescence parameters including Polycyclic Aromatic Hydrocarbons (PAH), CDOM, Tryptophan-like fluorescence (TLF), BOD and Optical Brightening Agents (OBA). The robust submersible housing and electronics provides the platform from which these different parameters can be measured via factory‑set configuration of the fluorometer optics.

UV Fluorometer for:  

  • Pollution surveillance & investigative monitoring
  • Point source pollution tracking
  • Pollution monitoring in ports and coastal areas
  • Road and airport apron run-off monitoring
  • Pollution ingress into infrastructure

 Features include:

  • High sensitivity
  • High ambient light rejection
  • Flexible data connectivity
  • Excellent turbidity rejection
  • Wide voltage input range
  • Low power consumption
  • 1000 metres depth capability
  • Flexible deployments with range of accessories
  • Data validation provided

 

Introduction

CTG's UviLux sensor provides highly sensitive data on a wide variety of UV fluorescence parameters including Polycyclic Aromatic Hydrocarbons (PAH), CDOM, Tryptophan-like fluorescence (TLF), BOD and Optical Brightening Agents (OBA). The robust submersible housing and electronics provides the platform from which these different parameters can be measured via factory‑set configuration of the fluorometer optics.  UviLux fluorometers can be deployed individually, or combined in pairs to provide increased robustness to variable fluorescence backgrounds when required. CTG recommend pairing the CDOM PAH with either the UviLux PAH or PAH and pairing the standard UviLux CDOM with the Tryptophan UviLux in these circumstances.

The UviLux sensor provides a wide variety of both digital and analogue data options, for most configurations both are available. The UviLux is compatible with a wide range of input voltages. This results in truly flexible connectivity which makes the UviLux compatible with many of today’s instrumentation platforms and vehicles.

 

How it works

UviLux detects UV fluorescence. When some dissolved aromatic compounds absorb UV light they may re-emit a fraction of this energy as fluorescence at longer wavelengths. Fluorescence intensity is directly proportional to concentration. The technique is widely recognised as one of the most sensitive detection methods available.

UviLux sensors use a stabilised UV LED light source and photomultiplier detector to provide exceptional measurement sensitivities. By exciting fluorescence at deep UV wavelengths, the UviLux sensors can detect a wide range of UV fluorescence compounds at the parts-per-trillion level. Sophisticated electronic signal processing, combined with cowl design principles employed in our UV AquaTracka, enables the UviLux to operate successfully in high levels of ambient light. The high quality optical filtration used in both the excitation and emission optical paths gives excellent turbidity rejection.

 

Configuration

UviLux is part of the Lux range of CTG sensors, which all share common accessories for ease of deployment in a wide variety of applications. These accessories include the Hawk handheld display and logging unit for portable systems, and the Watchkeeper wall mounted data display and logger, for permanent installations.

The Lux USB Dongle and TPlot8 software are also available for connection directly to a PC.For flow‑through applications flow‑through manifolds are available. When connection is required to third party equipment the UviLux can be supplied with suitable cable.

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