Pass-by-Noise Testing

m+p international's SO Analyzer based system is the very latest fully integrated solution for
Pass-by-Noise (Drive-by-Noise) testing. It is an advanced add-on module within the standard SO Analyzer suite of products. Utilising specially developed GPS technology for both position and speed information significantly reduces the equipment required and provides a simple and easy-to-use system that is operated entirely from within the car and by just one person.

Key Features

• Ease of use, quick analysis and access to test results
• Comprehensive online and post-processing facilities
• Single-operator capability, saving time and money
• Wizard-driven set-up for minimum errors in operation
• Specially developed GPS system for
  pass-by-noise testing
• Portable acquisition systems can be used for other NVH, Modal and Acoustic
  analysis testing
  when not in use as Pass-by-Noise system
• 8-channel portable
  data acquisition system - expandable
• 4-channel portable
  data acquisition system - expandable
• Throttle pedal input for full-throttle monitoring Engine speed input
• 0.78 in positional accuracy
• 0.062 mph velocity accuracy
• Sound level meters in accordance with IEC 61672-1
• Vehicle position mapped and plotted during test run
• In-car display of vehicle speed
• Auto reverse selection for return pass run
• Weather station for outdoor temperature, wind speed and humidity

Applications

• Automotive legal pass-by-noise testing
• Automotive development pass-by-noise testing
• Truck pass-by-noise testing
• Rail-based pass-by-noise testing