Sentry Dosimeter - Datalogging

  • Model: Sentry


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Inexpensive, Data-logging, Alarming Dosimeter
Low Cost, quality solution to your personnel dosimeter requirements.

The Radiation Alert® Sentry is a Personal Alarming Dosimeter / Ratemeter designed to protect personnel who are exposed to x-ray or gamma radiation. The pocket sized unit has built in memory for recording data points for tracking accumulated exposure. The Sentry Software option enables the user to generate incident reconstruction for analysis. The vibrating and audio alarm can be easily set to desired levels for dose and dose rate. The Sentry features an audio switch to choose between audible clicks or a discreet silent mode. A headphone jack is also included.


Detector: Uncompensated GM Tube
Switch Functions: Power, Audio Clicks On/Off, Vibrate & Audible, Alert, Silent Vibrating Only Alert
Operating Range: Dose Rate: .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 50 mR/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: 88 g (3.1 oz.), 8.3 oz w/ Xtreme Boot Option
Size: 3.8 x 2.4 x 1 in (96.5 x 70 x 25.4 mm)
Includes: Carrying Case

Sentry 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. Click on imagine below for a detailed screen shot/view.
SE International sentry dosimeter software screenshot

Sentry Boot

Xtreme Boot for the Radiation Alert Sentry Dosimeter and Rate Meter is a in a lightweight rugged solution for use in rugged conditions. The Sentry boot is made of a RoHS compliant TPE rubber, the case also offers superior grip and drop protection. The boot has a matte black finish identical to the enclosure of the instrument for a seamless look, while giving the user complete access to the unit's operation.

This product was added to our catalog on Thursday 28 September, 2017.


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