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The Radiation Pager-S is a hand-held radiation detector designed for trained security forces and emergency responders. The Radiation Pager-S is a more sophisticated version of the original Radiation Pager. The Pager-S is the most sensitive radiation detector for its size commercially available and is hundreds of times more sensitive than Geiger-Muller (GM) detectors of similar size. The sensitivity and small size of the Radiation Pager-S is made possible by the combination of a new miniature photomultiplier tube and a scintillation crystal.

The Radiation Pager-S is approximately the size of a message pager and can be worn on a belt or carried in a pocket. When the Radiation Pager-S detects x-rays or gamma rays at levels above a measured background, the Pager-S quickly alerts the operator by either sounding an alarm or vibrating, and lighting a single digit LED. The operator can easily locate the radiation source using the duty-cycle based audio alarm or vibration, and the single digit LED.

The Radiation Pager-S is designed for operators who need to quickly and discreetly detect and locate a radiation threat in an unpredictable radiation background. The Radiation Pager-S is easy to use. Operators can be trained in proficient use of the instrument in one hour. The Radiation Pager-S is designed to withstand the rigors of daily use. The Radiation Pager-S operates continuously for over two months on two AA alkaline batteries.

  • Cesium Iodide scintillation detector

  • Detector size is 0.5” diameter (1.3 cm) X 1.5” long (3.8 cm)

  • Unit size is 4.1” X 2.4” X 0.9” (10.2 cm X 6.1cm X 2.3cm)

  • Weighs 6 oz. (170 g) with batteries

  • Runs continuously for over 2 months on 2 AA alkaline batteries

  • Operating temperature range from –13 to 122 degrees F (-25 to 50 degrees C)

  • 45 KeV low energy cutoff
  • Less than one second integration time (response time)

  • Duty-cycle based audio tone for searching and alarms

  • Duty-cycle based vibration for silent searching and

  • Seven segment LED display for searching, instrument
    self diagnostics indication

  • Push-button background update switch