Field Testing Equipment


  1. SoMat 200 Field Computer System. The SoMat 2000 is a small self-powered data acquisition computer that can be adapted to "ride" on a rotating shaft or other moving device while it is connected to and recording data from transducers such as strain gages. After a typical test run, the machine is stopped and the acquired data is off-loaded to the notebook PC for further processing and backup. As an example, strain gage data can be recorded and processed by an FFT algorithm to result in a spectrum plot of strain vs. frequency. The significant frequencies at the strain gage locations can be resolved as well as the strain time history data.
  2. Compaq Contura notebook PC for data off-loading from the SoMat field computer. Also used for data processing and graphics generation.
  3. Wavetek l00A Mini-Analyzer vibration analyzer. The analyzer receives a signal from an accelerometer mounted on the machine and processes the signal to produce time history acceleration and frequency domain results of acceleration, velocity or displacement. Results are plotted on the spot by a HP7470A pen plotter.
DEAC's SoMat Data Acquisition System mounted on a strain-gaged Joy axial flow fan impeller (courtesy Joy/Green Fan, New Philadelphia, OH). Joy utilizes strain gage test results to verify stresses and blade frequencies calculated using finite element analysis or other analysis methods.

Design Engineering Analysis Corporation
335 Morganza Rd.
Canonsburg, PA 15317
Phone: (724) 743-3322
Fax: (724) 743-0934
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