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New technology for online analysis Bürkert offers inspiring answers to questions of water analysis

During this project, miniaturisation and modularisation were the watchwords. The former could be tackled thanks to the so-called MEMS technology. "Micro-Electro-Mechanical Systems" are miniaturised components that combine e.g. logic elements or micromechanical structures in a single microchip. Miniaturisation can go down to the nano level. Sensor chips are integrated in so-called analysis cubes. The basic version comprises five measuring parameters laid out as separate analysis cubes: pH, reduction potential (ORP), conductivity, free chlorine and turbidity. Each cube fits into a housing measuring 7 x 7 x 4 cm. The modules have hot-swap capabilities; i.e. they can be plugged in and removed during operation. As soon as a new sensor is plugged into a free slot of the fluidic backplane, it logs in with the system and makes its features available to all other modules present in the system. The sensor knows its own setting data that will be required for operating menus, configurations and its specific functionalities. Users in the field can operate the system and/or individual modules using a 7'''' touch display available in the upper part of the device. It also contains all the electronic modules required for control and for linking up to the various technical processes. Of course, it is also possible to connect a PC to the system, via USB cable.

The electronic control capabilities of the system can be extended as well, when required, thanks to its modular design, adding more functionalities or communication capabilities. The fluidic backplane is the interface where all analysis cubes are connected to the water flow in parallel. That means all fluidic elements continue to operate without interruption, even when individual analysis cubes are exchanged. In the event that multiple water flows need to be analysed, or additional measuring sensors integrated, it is possible to switch on several fluidic backplanes in cascade and then operate them using one single touch display.

Details

  • BÜRKERT FLUID CONTROL SYSTEMS