The Guardian SGS 3000 radiation portal monitor series offers flexible configuration options to meet the needs of the specific application. Whether monitoring passenger vehicles and cargo traveling through busy border crossings, inspecting ISO containers at ports of entry, or screening large trucks and conveyors loaded with raw materials for steel and aluminum mills, the multi-panel Guardian SGS 3000 series can be customized for each operation.


  • Customizable, multi-panel configurations to accommodate vehicles of all sizes

  • Remote monitoring for rapid response to alerts

  • Easily connects to your network

  • Advanced analysis algorithms for high sensitivity results with minimal nuisance alarms

Physical Specifications

  • Operating Configuration: Drive-through monitor for large trucks
  • Pillars: Left, right, and overhead
  • Number of Gamma Detectors: 2, 3, 4, or 6; 1 per panel
  • Gamma Detector Material: Polyvinyltoluene (PVT) plastic scintillator
  • Panel External Dimensions: 80 in L x 40 in W x 11 in D (203 cm L x 102 W cm x 28 cm D)
  • Panel Weight: 160 lbs (72 kg)

Performance Specification

  • Gamma Radiation Detection: Meets ANSI N42.35 and IEC 62022
  • Gamma False Alarm Rate: Less than 1 in 10,000 passages


  • Inspection Speed: 5 mph (8 km/h) nominal
  • Ports: Ethernet, RS485, Serial

Environment / Safety

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