Guardian™ VM500S Series of spectroscopic radiation portal monitors (SRPM) accurately detects, identifies, and classifies radionuclides concealed in passenger vehicles and small trucks. This highly configurable SRPM offers a choice of detectors, allowing for system customization based on the application and location. Refinements to sensitivity levels, using our industry leading software, support exceptional NORM rejection. This results in a near zero false alarm rate which maximizes throughput and minimizes the need for time-consuming manual inspections.

Guardian VM500S, spectroscopic radiation portal monitor, SRPM

Guardian VM500S Spectroscopic Radiation Portal Monitor

FEATURES

  • Spectroscopic Radiation Portal Monitor (SRPM) detects and identifies radionuclides with speed and accuracy

  • Classifies radionuclides as NORM, SNM, industrial, or medical for superior norm rejection

  • Flexible design, offers multiple detector configurations, ensuring that the SRPM is sized to meet the site's objective

  • World-class software provides adjustable sensitivity settings that minimize nuisance alarms

Physical Specifications

  • Operating Configurations: Drive-through radiation portal monitor
  • Pillars: Primary and auxiliary
  • Number of panels: 2 (1 per pillar)
  • Gamma Detection Material: Sodium Iodine NaI(Tl) crystal scintillator
  • Number of Gamma Detectors: 8, 12, or 16 (2, 3, or 4 per panel)
  • Neutron Detector Material: LiZnS (Ag)
  • Number of Neutron Detectors: 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)
  • Weight: Up to 982 lbs. (445 kg) per panel (depending on required sensitivity)

Performance Specifications

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

Operation

  • Inspection Speed: 5 mph (8 km/h) 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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