Noise, Vibration and Harshness (NVH) Measurement.

NVH Chassis Dynamometer CDM 75L NVH

For the measurement and analysis of exterior noise (pass-by measurement) and internal noise (comfort measurement).



  • Roller diameter 75" (1.905 mm)
  • 4-motor design
  • Motor 'inline' principle
  • Various road surface simulation shells for the simulation of different road surface conditions (e.g. rough asphalt, small cobbled streets, etc.)
  • Soundproofed rolls for preventing the 'bell effect'
  • Water-cooled drive motors
  • Integrated service center pit with height adjustable service platform
  • Special vehicle restraining systems (e.g. wheel hub fixation) available
  • Drive motors, rolls and test stand decking are sound-absorbing insulated to reduce the noise to test e.g. 41 dB(A) at 50 km/h
  • Test speed to 250 km/h
  • Optional various performance and climatic packages available

Accessories Roll Surface Plates