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Argos™ PAB

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Whole Body Contamination Monitors

Argos tps pab 001

Argos TPS Family: Argos “PAB” Monitors for α /β Detection

Tag Features

  • The first gasless alpha/beta Whole Body Contamination Monitor
  • Fast personnel throughput with exceptional coverage due to optimized counting geometry and shielding
  • The Argos-5PAB unit provides the ultimate in (two-step) contoured body coverage
  • The Argos-3PAB unit provides contoured body coverage with strategic positioning of detectors in an economical configuration
  • Alpha and Beta discrimination capability for unequivocal contamination status
  • Space-saving design minimizes overall clearance requirements and allows for easy maintenance access from front and side of the unit
  • WebRemote® software enabled: ergonomic and easy-to-use touch screen graphical user interface; accessible locally or via PC / tablet web browser
  • Windows 10 IoT operating system with LAN capability and USB ports
  • Same “industry-best” software and serial bus electronics across the Mirion Argos-TPS/AB, Cronos®-1/4 /11, Sirius™-5 and GEM™-5 family; no re-training needed
  • Compliant with IEC61098 Standard requirements
  • Algorithm based on Gaussian or Bayesian statistics (compliant with the ISO 11929:2010 Standard requirements)


The Mirion Argos-PAB family of Whole Body Surface Contamination Monitors provides the ultimate user-friendly operation with thorough and reliable detection of external contamination on personnel working in nuclear environments. The Argos-5 PAB and Argos-3 PAB monitors feature our most advanced gasless, Thin Plastic Scintillator (TPS) detectors optimized for the best possible alpha /beta response (along with minimizing the gamma response).

Until recently, the elimination of counting gas has been the only advantage of using of plastic scintillation detectors over traditional gas flow detectors in whole body monitors. The sacrifice for this advantage was in detector performance (low efficiency, bad uniformity) leading to longer count times. Mirion has successfully addressed the challenges of this gasless detector technology, minimizing the trade-off between operating costs and performance.

The Argos-3 /-5PAB gasless monitors offer the same industry-best contour geometry as the Argos-3 /-5AB gas flow monitors. The need for counting gas is eliminated by using scintillation detectors with an embedded PMT to minimize dead space between detectors. This arrangement provides optimal contour geometry and coverage for the occupant.

All Argos monitors use a sophisticated “fast following” background trending and release-limit algorithm to provide the best performance in a stable or varying radiation field.

With Mirion WebRemote software, an easy-to-use touch screen graphical user interface for industrial PC-based operation, results in improved health physics programs, better tracking of contamination and faster, more thorough personnel throughput at boundary points.

Excellent detector protection, modularity of components, and extensive diagnostics result in direct reductions in maintenance, repair, and operation costs.

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