A strobe lights is an inexpensive tool that every vibration analyst should have. Typically, strobes are used to determine the operational speed of equipment. However, a strobe can be used for many other troubleshooting activities. For example, coupling inspections can be completed to identify wear or other issues. The strobe can be set to a specific frequency to identify the source of an issue revealed by vibration analysis. Many other troubleshooting tasks can be easily completed using a strobe. Do not overlook the value this device offers.