The Guardian™ GMS-4x4 is a versatile radiation detection system that can be mounted in vehicles or be used as a stand-alone system. The Guardian GMS-4x4 provides exceptional detection and identification of a wide range of radioactive materials, including special nuclear materials (SNMs), such as plutonium and highly enriched uranium, as well as more common radionuclides and materials, such as 40K, 60Co, 57Co, 137Cs, 192Ir, 226Ra, 241Am, 232Th, and 201Tl.

Guardian GMS-4x4 Vehicle-Mounted Radiation Detection Monitor for land, marine, aerial

Guardian GMS-4x4 - Vehicle-Mounted, Mobile Radiation Monitor

FEATURES

  • Configurable, fixed, or customized systems to meet the needs of the mission

  • Gamma and neutron detection

  • Exceptional detection and identification of SNM, NORM and other radionuclides

  • Water-resistant and dust-tight for use in harsh environments

  • Data logging with GPS coordinates—radiation mapping; heat mapping; survey data

Physical Specifications

  • Operating Configuration: Vehicle-mounted monitor
  • Gamma Detector Material: NaI(Tl) sodium iodide
  • Neutron Detector Material: LiZnS-PMMA
  • Box Weight: 50 lbs (23 kg)
Fixed System
  • Detector Boxes: 4 panel
  • Number of Gamma Detectors: 4 detectors; 4 panels -1 per panel
  • Number of Neutron Detectors: 4 detectors; 4 panels -1 per panel
  • External Dimensions: 45 in L x 30 in W x 6 in D (114 cm L x 76 cm W x 16 cm D)
Configurable System
  • Detector Boxes: 6 boxes
  • Number of Gamma Detectors: 4 detectors; 4 boxes - 1 per box
  • Number of Neutron Detectors: 4 detectors; 2 boxes - 2 per box
  • External Dimensions: 39 in L x 8 in W x 9 in D (99 cm L x 20 cm W x 23 cm D)

Performance Specifications

  • Gamma Radiation Detection: Meets ANSI N42.43
  • Special Nuclear Materials (SNM) Detection: Meets ANSI N42.43
  • Gamma False Alarm Rate: Less than 1 per hour
  • Neutron False Alarm Rate: Less than 1 per hour

Operation

  • Inspection Speed: 15 ft/s (4.6 m/s) nominal
  • Ports: Ethernet, USB

Environment / 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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