Tony DeMatteo is a vibration analyst and technical training instructor with 4X Diagnostics LLC, a service and training company providing consulting services, mentoring and training in diagnostic measurement, analysis, operational deflection shape testing and modal analysis. He can be reached at 585-293-3234 or www.4xdiagnostics.com. For more information about the featured VIBXPERT analyzer, visit www.ludeca.com/prod_vibxpert-vibration-analyzer.php.