The Sentry - Personal Alarming Dosimeter and Rate Meter
The Radiation Alert Sentry is a Personal Alarming Dosimeter / Ratemeter designed to ensure the safety of personnel that work in occupations with potential x-ray or gamma exposure. The pocket sized unit has built in memory for recording data points for tracking accumulated exposure. The Sentry Software option enables you to generate incident reconstruction for analysis. The software also permits you to easily set the vibrating and audio alert to your desired levels for dose and dose rate.
Use the audio switch to choose between audible clicks or a discreet silent mode that can be augmented with the use of headphones.
Specifications
Detector
Uncompensated GM Tube
Switch Functions
• Audible Clicks On/Off
• Off
• Vibrate and Audible Alert
• Audible Only Alert
Operating Range
Dose Rate: .1 - 15 R/hr
Dose: .1 - 15 R/hr
Accumulated Dose: .1 - 65 R
Dose Rate Linearity
Better than ±15% up to 15 R
Energy Response
Down to 30 KeV
Gamma Sensitivity
1.5 cps/mR/hr referenced to Co-60
Audible Alarms
90db @ 1 ft.
• accumulated dose
• dose rate
Alarm Thresholds
Dose Alarm Default 500 mR
Rate Alarm Default .5 R/hr
Alarm and warning levels are user selectable with
Optional Sentry Software.
Connectors
Headphone Connector, Internal Serial Header
connector (cable comes w/ Optional Sentry Software).
Power Requirements
9 Volt Battery. Typical battery life is 1500 hrs at background.
Temperature Range
-20° - + 50° C (-4° - +122° F)
Weight
4.8 oz. with Battery (3.2 oz w/o battery)
8.3 oz w/ Xtreme Boot
Size
3.8 x 2.4 x 1 in (96.5 x 70 x 25.4 mm)
Includes
Carrying Case
SentryCom Software
The optional Sentry Com Software enables you to set the values for dose and dose rate alarms and warnings, set the Cal Factor, and the data logging frequency. It also allows the user to download the accumulated dose data, which includes time and date stamp, exposure, and power cycle identifiers (shows all zeros for data point when unit is turned off and on) for analysis.
