Ing. Wolfgang Fellner Ges.m.b.H. was founded in 1991. They are specialized
in sound and vibration measurement equipment and dispose of a fully
equiped service-center.
They are running a calibration-lab which will be certified soon.
They have partners in CZ (Ekola) and in SK (Norsonic Slovensko).
They are agent for other companies like Norsonic, G.R.A.S., DJB,
MMF, DataKustik and m+p. They have developed a special measuring-system
to determine the dynamic stiffness
of damping materials according to EN-ISO 29052-1.