The Sentry EC is a personal, compact gamma and x-ray radiation rate and dosimeter. The rugged aluminum housing withstands the toughest environments and features audio, visual, and sensory alarms. Connect to a PC through the mini-USB port to change settings and download data.||The 90-dB audible alert may be silenced for quiet operation, and two LEDs will light for either rate or dose alarm conditions. Choose between vibration or audio-with-vibration modes; either mode features a warning alert before reaching full-alarm settings.||Free Windows™-based software allows you to set dose levels, alarm conditions, logging rate, and calibration factor—in addition to downloading tracked data. Each logged data point includes a time and date stamp to aid in event reconstruction and analysis.