Mobile Air System Expert




Test Equipment, Vehicle Testing

Test Type


Mobile Air System Expert


The Link Air System Expert is a complete, portable, computer-based system that makes it easy to verify FMVSS/CMVSS 121 air system compliance. A precision accelerometer is used to indicate first pedal movement. A laptop computer, pressure transducers, digital gage and a rugged travel case are included.


  • Air-Braked vehicles
  • Service brake apply and release
  • Park brake apply
  • Compressor build up, cut-in and cut-out
  • Pressure differential
  • Brake light switch activation


Number Channels 2 to 12
Pressure Transducer 0 to 34 Bar + 0.25%, -40 to 125o C
Data Acquisition USB 2, 300 samples/sec
Digital Gage 0 to 345 Bar + 0.25%, -40 to 60o C


Key Benefits

  • Measures leak down
  • Performs pressure balance
  • Data acquisition mode diagnoses the air system
  • ABS system diagnostics (optional)
  • Light function (optional)

Test Procedures

  • ECE R13 vehicles M, N and 0 type approval (passenger cars, cargo vehicles, trailers and semi-trailers)

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