UviLux TY+ turbidity sensor

The UviLux TY+ Turbidity Sensor is a lightweight, digital IR sensor providing accurate and repeatable measurements of turbidity.

Designed for monitoring exhaust gas cleaning system wash water according to IMO regulations

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UviLux TY+ is a robust UV fluorometer designed for real time, in situ turbidity monitoring of exhaust gas cleaning system wash water

Features & Applications

Features

  • Real time turbidity compliant with ISO 7027:1999
  • Two year calibration intervals allowing for uninterrupted monitoring
  • Easy to use onboard sensor check – solid standards kit allows you to verify the sensor calibration onsite with easy to operate, robust and stable solid standards as part of the commissioning process, without the need for liquids or chemicals
  • Compliant with current and upcoming IMO regulations
  • Temperature compensated, referenced output
  • High ambient light rejection

Applications

  • Exhaust gas cleaning systems (EGCS) wash water monitoring systems
  • Suitable for both new ship and retrofit installations
  • Compatible with Open Loop and Hybrid systems

Operational support

  • Training – Chelsea scientists and engineers provide training for integrators and operators of exhaust gas cleaning systems looking to integrate Chelsea sensors to their offering. Training can be provided online, remotely or onsite.
  • Technical support – as designers and manufacturers of the PAH+ and turbidity sensors, Chelsea scientists and engineers can provide technical support and commissioning services.
  • Spares provision – spare parts and sensors can be provided as an additional package and are available as needed from the UK headquarters
  • Sensor calibration– comprehensive calibration services are provided by Chelsea calibration scientists on an ad hoc basis or under long term support contracts.

Specifications

Performance

Excitation wavelength 860 nm
Detection wavelength 860 nm
Calibrated range 0 to 1000 FNU
Limit of detection <0.5 FNU
Optical geometry 90º
Excitation beam divergence ~1º
Compliance ISO7027:1999

Mechanical

Size 70mm dia x 149mm
Weight in air 0.8 kg
Weight in water 0.15 kg
Pressure housing PVC
Input voltage 9 to 36 Vdc
Input voltage Digital RS232 and analogue 0 to 5 Vdc. (RS422, SDI-12 and 4– 20 mA options available)
Power requirements <1 Watt @ 12 Volt

*In view of our continual improvements, the designs and specifications of our products may vary from those described.

FAQs

Why monitor wash water?

Exhaust emissions from ships engines using heavy fuel oils release gases and particulates that can be detrimental to human health and the environment. To reduce this pollution the IMO established regulations through the Marine Environment Protection Committee (MEPC). Ships must now reduce nitrogen dioxide (NOX), sulphur dioxide (SOX) and particulate emissions. To meet the sulphur limit for 2020 of 0.5% the shipping industry is implementing strategies, which includes installing Exhaust Gas Cleaning Systems (scrubbers) to neutralize the sulphur. Any discharge into the environment must be monitored to ensure nothing harmful is discharged. Ships need to fit monitoring systems and should ensure that it performs the full regulatory analysis, as required by the IMO, including PAH, pH, turbidity and temperature, to enable robust and accurate measurements are made in accordance with the regulatory requirements.

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