SHOCK ENERGY TRACKER Model 1091 - Shock Energy (Velocity) Data Logger. The Shock Energy Tracker Model 1091 will accurately record shock energy (Velocity) levels to a user pre-set time domain. It will tell you precisely when and what velocity level occurred. Specification Vibration Measurement Range 0 - 5,000mm / sec Recording Accuracy +/- 2% FSD Memory 16K Reading Capacity 15,800 Readings Sampling Rate Selectable in the Range 1sec to 4.5 Hrs Temperature Range -50C to 70C Graph Overlay Facility Programmable Alarm Limits Software Delayed Start Up Up to 45 Days Battery Driven Battery Life Up to two years. Customer Replaceable Delay Start Up to 45 Days delayed start can be programmed Stand Alone Simple and easy to use. Set up and Download using Windows 3.1 or Windows 95 aoftware. One Tracker Manager Software package will service any number of Shock Energy Trackers.