The Measurement and Engine Balancing System - PBS-4100R+ from MTI Instruments

The PBS-4100R+ from MTI Instruments is an advanced vibration analysis and trim balancing system designed for test cell applications. The system is available with a number of new features, and offers fast one-shot balancing solutions and vibration monitoring and analysis capabilities.

The system includes an extensive library of pre-programmed engine parameters for industrial and aircraft gas turbine models. The most standard test parameters are reflected by these parameters, but users can modify them in order to customize the system according to their specific testing requirements.

Key Features

The main features of the PBS-4100R+ are as follows:

  • Optional remote operation through Ethernet for power plant engineering access or test cell facilities
  • Displays vibration data in a range of formats including X-Y plots, tables, and bar graphs
  • Capable of balancing engines that have vibration peaks at up to 20 speeds
  • Decreases vibrations using the WinPBS Balance Wizard
  • Vibration readings are converted and presented in desired units
  • Up to 32 analog output channels to drive test cell meters
  • Up to 8 vibration channels to support experimental testing
  • Up to 3 speed channels to allow testing of three-spool engines


The major applications of the PBS-4100R+ include:

  • Military test cells
  • Overhaul testing
  • Vibration diagnostics
  • Acceptance testing
  • Engine manufacturing final tests
  • Trim balancing experimental testing
  • Test cell upgrades commercial test cells

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