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File:End of line turbine test.jpg|alt=Gear box measurement with accelerometers|Allen Gears: gear box rotating vibration | File:End of line turbine test.jpg|alt=Gear box measurement with accelerometers|Allen Gears: gear box rotating vibration | ||
File:Mecalac sound power.jpg|alt=Octave and sound level meter with microphone|Mecalac: Sound power acoustic measurement | File:Mecalac sound power.jpg|alt=Octave and sound level meter with microphone|Mecalac: Sound power acoustic measurement | ||
File:In-porsche.JPG|alt=Automotive octave waterfall analyzer with order extraction|Porsche: acoustic sound quality measurement | File:In-porsche.JPG|alt=Automotive octave waterfall analyzer with order extraction|Porsche: acoustic sound quality measurement | ||