Equipment

Model 4900 NVH Chassis Dynamometer

Overview

The NVH Chassis Dynamometers are used to evaluate a wide range of vehicles, from small passenger cars to light trucks, at up to 250 kph. The system can be configured with one, two or four rolls, with each axle, or each individual roll, driven by a motor. The drive motor(s) and power equipment are able to be isolated in a separate room, or noise enclosure. The rolls are completely enclosed, except for the running surface in the room above, keeping background noise levels low. An automated wheelbase adjustment system accommodates a wide range of vehicle wheelbases. The dynamometer can be configured with a noise and vibration evaluation package, a hemi-anechoic test chamber, an environmental control system, and an engine cooling fan. The size of the rolls, their surface treatment, the allowable load range and other parameters are able be customized to meet specific requirements. A dedicated noise analyzer, controlled by ProLINK software, captures and displays NVH data.

 

Key Benefits

  • ProLINK software integrates all control, measurement, analysis and reporting functions
  • Automated system for wheelbase adjustment
  • Available hemi-anechoic test chamber for low background noise levels
  • Available environmental conditioning unit for temperature and humidity control

Key Features

  • Brake Pressure Actuation System
  • Spot Cooling at Wheels/Brakes
  • Video Capture and Playback System
  • Water Misting
  • Pedal / Lever Robotics
  • NVH Measurement System
  • Vehicle Restraint System
  • Vehicle Position Sensors (Dyno Shutdown Feature)
  • Dyno Testing Indicator Lights
  • Unattended Operation

Options

  • Hemi-anechoic chamber
  • Environmental conditioning system
  • Individual drive motors for each road wheel
  • Changeable roll surface to simulate various road surfaces
  • Pop-up engine cooler
  • 1, 2, or 4 – Rolls

Downloads:

M4900-V4.9.2019-VIEW.pdf

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