Track, plot, log and create PDF's or Excel reports with The Sure Test® Temperature and Relative Humidity Data-Logger. Easy to use - plug and play with a USB 2.0 connector and no software or drivers needed makes data-logging a snap. LCD displays live temperature and %RH as well as minimum and maximum values while logging. Programmability includes sampling intervals, units and start delays. Alarms can be set for range, type and delays. Other features include status indicator, large memory capacity and battery life indication.