Fault severity scale with 4 severity levels helps you prioritize maintenance work Repair recommendations advise technicians on corrective action on-board context sensitive help provides real-time tips and guidance to new users 2 GB expandable on-board memory provides enough space for your machinery's data; self-test function ensures optimal performance and more time on the job Laser tachometer for accurate machine running speed promotes confident diagnoses; tri-axial accelerometer reduces measurement time by 2/3 over single axis accelerometers 3 years warranty