Controls for a biogas plant, certified to UL standards

Röring developed the controls for a US biogas plant operator with DiaLogo, including circuit diagrams and switch cabinets, according to UL standards. The electrical equipment manufacturer has its own UL certification number so that its own measuring and control technology systems can bear the UL certificate. Thus it was possible for both acceptance and certification to take place directly on-site in the USA without having to call upon an external certification body.



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