Download Center
Catalogs, installation instructions, price lists, and more. To find the right download for you, feel free to use our filter function.
Calculation Programs
Our goal is to support you in your daily work in the best possible way. With the help of our calculation programs, you can configure any available product online.
NC- and NR-Level Calculator
With our NC‑NR tool, you can quickly and precisely determine the room acoustic assessment of technical units based on the sound power level. Enter the unit's sound data as well as the room dimensions and room type, and automatically receive a chart showing which Noise Rating (NR level) or Noise Criteria (NC level) is achieved.