Guardian™ PM500 Series is a highly sensitive walk-through, radiation portal monitor (RPM) that detects radionuclides sources as pedestrians pass through its gateway with their parcels and bags. It offers exceptional NORM discrimination, capable of differentiating between medical, industrial, and special nuclear materials (SNM) while supporting the steady flow of pedestrian traffic at busy airports, train stations, seaports, border crossings, nuclear facilities, and other critical infrastructure.

Guardian PM500 Pedestrian RPM

Guardian PM500 Pedestrian Radiation Portal Monitor

FEATURES

  • Walk-through radiation portal monitor for high foot-traffic locations

  • Exceptional gamma and neutron sensitivity

  • Adjustable sensitive setting to minimize false alarms

  • Remote oversight for centralized monitoring

Physical Specifications

  • Operating Configurations: Drive-through radiation portal monitor
    • PM500G (model) for gamma detection
    • PM500GN (model) for gamma and neutron detection
  • Pillars: Primary and auxiliary
  • Number of Panels: 2 (1 per pillar)
  • Gamma Detection Material: Polyvinyltoluene (PVT) plastic scintillator
  • Number of Gamma Detectors: 2 (1 per panel)
  • Neutron Detector Material (GN model only): LiZnS (Ag)
  • Number of Neutron Detectors (GN model only): 4 (2 per panel)
  • External Panel Dimensions: 80 in H x 26 in W x 7.3 in D (203 cm H x 66 cm W x 18.4 cm D)
  • Panel Weight: Up to 982 lbs. (455 kg) (per panel)

Performance Specifications

  • False Alarm Rate: Less than 1 in 10,000 passages (typical)

Operation

  • Inspection Speed: 3.9 ft/s (1.2 m/s) typical
  • Communication: Ethernet

Environmental / Safety

  • Temperature: -4 °F to 140 °F (-20 °C to 60 °C)
  • Humidity: 5 to 95% non-condensing
  • Environmental Protection: IP65
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