The JERK, Vibration Sentry recorder is a black box for so many applications. Anything that moves Driver Training Driver Monitoring Transport Monitoring Risk Management Mining, Plant & Machinery Conveyors, Escalators & Elevators Real Time Signaling Systems Preventative maintenance Industrial Or commercial application the Jerk reads the vibrations, inclinations & direction 3 ways. You can Annalise the normal operating ranges or exact time anomalies in operation. Set parameters for long term monitoring & be alerted when there is an anomaly that exceeds the set parameters or operating movement / vibration. - See more at: http://www.ecoindustrialsupplies.com/store/c210/The_%22JERK%22_Vibration_Sentry.html#sthash.PX7tsT4E.dpuf