Berson’s UV-Tronic+ V5 PLC Controller can Control up to Six UV Disinfection Chambers Simultaneously

Berson’s UV-Tronic+ V5 PLC Controller can Control up to Six UV Disinfection Chambers Simultaneously
-New controller allows UV systems to precisely match customers’ requirements-

Berson’s new UV-Tronic+ V5 PLC controller links to a UV disinfection system’s SCADA control system and allows users to set up and manage the UV system’s operating parameters to exactly match their requirements. The latest version of Berson’s UV-Tronic controller range, the UV-Tronic+ V5 is based on a rugged industrial PLC and with an RS485-based Modbus interface.

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Older versions of the UV-Tronic already had the capacity to control multiple streams and treatment chambers, a particularly useful feature where treatment plants may have variable water parameters such as flow or transmittance as it allows shutdown of individual UV chambers when not required, reducing power consumption.

The new UV-Tronic+ V5 has enhanced features which makes it possible to individually control the power level of up to six UV disinfection chambers simultaneously to suit the flow conditions for each stream, thus further minimising power consumption.

In addition, the controller can be programmed to calculate the required power setting depending on whether it is validated to DVGW*, UVDGM** or Berson’s default dose control settings. Software is currently being written which will also allow it to operate to NWRI*** parameters. The device can control conventional electro-magnetic ballast as well as Berson’s own electronic ballast.

Additional new features include greatly extended monitoring and control via Modbus, increased manual control functionality to ease maintenance and servicing, and the capacity to individually calibrate UV sensors when running in DVGW mode. A modem can also be used to provide remote monitoring and diagnosis and for software upgrades.

In addition, when UV monitors on the inner wall of the UV chamber register a fall in the UV level, the UV-Tronic+ V5 is designed to trigger automatic wipers on the quartz sleeves protecting the UV lamps. The wipers remove any built-up deposits on the sleeves, ensuring uninterrupted protection against microbial contamination. A major benefit of automated wiping means no chemicals are required for cleaning, an especially important feature when it comes to drinking water disinfection.

“The UV-Tronic+ V5 is a very useful feature of the Berson UV system,” comments Bob Clifforde, an Electrical Engineer at Cambridge Water in the UK who uses the new system. “By allowing us to control each UV chamber individually it not only greatly simplifies operations but has also reduced our operating costs.”

Berson UV is one of the few non-German UV system suppliers capable of providing a complete range of UV systems with capacities between 10 – 10,000 m3/hour, certified to the newest German DVGW norm, W294, Part 1, 2 & 3 – the highest standard currently possible in the world.

About Berson
Based in the Netherlands, Berson ( is a world leader in closed-vessel, medium pressure UV disinfection technology for drinking water and wastewater applications, with installations across the globe. Along with fellow UV companies Hanovia Limited in the UK and Aquionics in the USA, Berson is part of the Fluid Technology Division of Halma p.l.c. ( Together, the three companies are one of the largest suppliers of UV disinfection technology in the world.

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* DVGW (German Technical and Scientific Association for Gas and Water) is the body responsible for industry self-regulation in the German water and gas and water supply industry and its technical rules are the basis for safety and reliability.

** USEPA UV Disinfection Guidance Manual (UVDGM). The validation certifies the use of the systems for the Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR).

*** National Water Research Institute ( / American Water Works Research Foundation (


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