The Sentry is a Personal Alarming Dosimeter and Rate Meter that measures gamma and x-ray radi- ation and provides dose rate monitoring in a small rugged package. The Sentry works as a stand alone unit or in conjuction with the optional SentryCom Software, which can assist in tracking expo- sure to generate incident reconstruction and analysis.The Sentry employs two bright pulsating LEDs, an Audio Alert, and/or a Vibration Alert for the selectable alert levels.
Alert Modes When The Sentry is initially switched on, the Sentry will conduct an alarm test. You will hear one high to low alert and feel a vibration. The audio and vibrating alert has two stages; The Warning Alert and The Alarm.
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The SentryCom Software The SentryCom Software enables the users to change the alert levels for both dose and rate, set the time and date, as well as download incident data. Connecting The Sentry to a PC To connect the Sentry to a PC, open the battery door, and move the 9-volt battery out of the way to locate the 4 pin header.
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Changing from mR & mR/hr to µSv & µSv/hr WARNING: When changing the units from mR & mR/ hr to µSv & µSv/hr, ALL THE ACCUMULATED DOSE DATA STORED IN THE SENTRY WILL BE ERASED. To change the units of measurement, click the desired unit and click the “Update with New Settings”...
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Changing the Batteries on The Sentry EC WARNING: When changing the battery, please be aware that there is high voltage on the board inside the unit. Improper handling could cause injury. Aside from the batteries, there are no user serviceable parts in the Sentry. 9-Volt Battery To change the 9-volt battery, first make sure that the USB cap is in- serted into the jack on the top of the unit.
Troubleshooting When I download the accumulated dose data, the time and date read in strange characters like “3F:7F:7F”. The button battery in the unit needs to be changed. I’ve tried a variety of different COM ports when connecting to unit using the Sentry Com Software, but it does not connect.
LIMITED WARRANTY WARRANTOR: S.E. International, Inc., P.O. Box 39, 436 Farm Road, Summertown, TN 38483-0039, USA, 931.964.3561 ELEMENTS OF WARRANTY: S.E. International, Inc., warrants for 1 year the Geiger-Mueller tube and for one year all materials and craftsmanship in this product to be free from all defects with only the limitations set out below. WARRANTY DURATION: The warranty shall terminate and be of no further effect one year after the original date of pur- chase of the product or at the time the product is: a) damaged or not maintained as is reasonable or necessary, b) modi- fied, c) repaired by someone other than the warrantor for a defect or malfunction covered by this Warranty, d) contaminat-...