VISPIRON-ROTEC is recognized as a specialist in the area of torsional vibration testing. ROTEC emphasis on high-speed-digital-data acquisition and analysis. ROTEC euipment is used throughout the world by test and devlopment engineers for investigations both in vehicle and in the NVH laboratory, mechnical engineering and related supplier industries. ROTEC, devlopes and manufactures portable, PC-based equipment for multichannel measurement and analysis of noise and vibration.