The new V3 spectro::lyser from s::can builds upon twenty years of experience in online UV-Vis spectroscopy and has been designed ready for Water Industry 4.0.

The fundamentals

Since it’s inception, the spectro::lyser was designed to for raw water and environmental applications, able to handle high turbidity in spates or dirtier samples such as wastewater. Utilising online UV-Vis spectroscopy enables many parameters to be measured simultanously such as UV254, colour, sulphide, nitrate, nitrite as well as derived parameters such as DOC, TOC, COD, BOD, TSS and more.  The unique technical aspect of the spectro::lyser was always in it’s solids compensation algorithms. These algorithms enable it to use a multi-wavelength solids compensation method for providing accurate measurement in challenging conditions across the spectrum.

Uv-Vis absorption spectra - turbidity compensated and non-compensated spectra shown.
Online real-time UV-Vis absorption spectroscopy.

What’s changed over the last 20 years?

The sensor design is one of the primary things that has evolved.
V1 aluminium body spectro::lyser.
V1 spectro::lyser optics.

The first generation spectro::lyser was developed in the University of Vienna and s::can was the spin out from that development. In 1999, the first generation spectro::lyser was born. It had an aluminium body and automated cleaning of the sensors was carried out via a clamp on compressed air connection. It was typically used in environmental monitoring applications off the network. When utilised in a water or wastewater treatment works, it was paired with a constat controller.

Constat controller.
Constat interface.

Ten years after the launch of the V1 spectro::lyser came the second generation spectro::lyser (V2). This utilised the same fundamental optics as the first generation, offering long term stability of measurements and no associated costs with changing light sources or filters.  The body of the sensor was manufactured from stainless steel, adding increased robustness for challenging applications.  Additionally, automated cleaning functionality was made easier by the addition of integral compressed air connections and a clamp on brush cleaning mechanisms (the ruck::sack). With the addition to the range of a titanium bodied spectro::lyser in 2017 , the sensor was also enabled to be used in highly saline conditions such as marine and estuarine monitoring.

V2 spectro::lyser optics.
The second generation of sensor also saw an upgrade in terms of controller interface, seeing the launch of the revolutionary concube controller with intuitive moni::tool interface and all the modern communication protocols required for the 21st century.
Concube controller with moni::tool software interface.
The UV-Vis spectrum as shown on moni::tool.

What’s new about the V3 spectro::lyser?

2019 sees the release of the new third generation spectro::lyser (V3).
Smaller in size, faster measurements and with a lower power consumption, the V3 spectro::lyser internal design has been optimised. To ensure it can be integrated into the IoT world, it has an onboard web server for remote connection enabling control via the internet with Bluetooth communication via a smart device also possible. Operation of the sensor can now be achieved without a local controller.
To aid users the new V3 spectro::lyser also uses an optical information ring on the bottom of the sensor to give a visual indicator of the status of the sensor, enabling action should it be required.

The moni::tool software used to control the sensor has also been updated to make viewing the parameter or UV-Vis spectrum data on a web server more in line with a 21st century interface.

The all-new monitool interface for use via a web server.

To read more about the applications the spectro::lyser has been used in, check out more articles on our blog site or contact us for more information.

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Need some advice or support? We’re here to help.

If you need a call back about how Process Measurement and Analysis can help you or have any questions at all please feel free to contact us at [email protected].  A member of our experienced team will contact you directly.

Fowzie Smith-Tahir

Fowzie Smith-Tahir

Marketing and Design at PMA Ltd

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