About the Author
Bob Martin is a field applications engineer for IMI Sensors. He is a CMRP and a Category Three Certified Vibration Analyst. Bob has been helping establish and support companies with their predictive maintenance programs for over 25 years. His experience with spectrum analysis extends back over 40 years beginning with his work in the US Navy as an anti-submarine warfare systems operator, flying as aircrew, on P-3 Orion patrol aircraft.