Vibration and Performance Analyzer

ACES Systems, TEC AviationIPER 4040 is an instrument that combines all of the technologies required for high-end engine vibration analysis, rotor track and balance, and acoustic analysis into one. These aviation maintenance analysis functions can be easily performed on many different airframe and engine types using the device.

The compact unit provides accurate solutions in the minimum number of runs, saving run time and fuel. Jobs are entered into setups which can be customized by the user to accommodate a number of engine and airframe types. The system features 32 MB of memory. Using the ChartBuilder function, influence and adjustment criteria from polar charts can be entered into setups so that raw data acquired is automatically translated into adjustment solutions such as "inboard tab up 2 degrees." With each run, the analyzer adjusts and refines the solution based on data gathered during previous runs, taking into account the unique properties of each job setup and automatically shortening the process until vibration is reduced to the lowest level possible. The analyzer allows you to use any type of tachometer, detecting speeds at up to 25,000 RPM. Tach input is used to synchronously sample and average data and report phase to +/- 3 degrees, reproducible to 1 degree. For additional flexibility, the SmartTach speed and phase signal processing uses single or double interrupter logic.

At under 8 pounds, powered by internal battery and using minimal cabling, analyzer delivers vibration analysis at speed and accuracy levels typically available only in manufacturer test cells--vibration data acquired from up to four channels simultaneously at the rate of 10 spectra per second are recorded at frequency levels to 30 kHz per channel. Anti-aliasing filters are used with a Fast Fourier Transform (FFT) to convert data from time to frequency at resolutions of 100, 200, 400, 800, and 1600 lines. The flexible architecture of the system allows users to use virtually any sensor type.

The analyzer can interface to microphones for measuring sound levels and frequencies in order to diagnose airframe noise problems.

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