Guardian 501 for web

Experience the power of precision with the handheld Guardian 501 Radionuclide Identification Device (RID).

Welcome to the future of radionuclide detection with the Guardian 501, your trusted companion in safeguarding our world. Our cutting-edge handheld device is designed to support the critical mission of radiation safety, providing unmatched accuracy in the identification and management of nuclear materials.

Why Choose the Guardian 501?

  • Comprehensive Detection: Accurately identify over 70 radionuclides, including gamma, beta, neutron, and cosmic sources.
  • Versatile Application: Essential support for nuclear material management professionals, hazmat teams, first responders, and government security personnel.
  • Reliable Performance: Ensure the safe, secure, and effective handling of both natural and man-made radionuclides.

Empower Your Team with the Guardian 501
Join the ranks of professionals who trust the Guardian 501 for its precision and reliability in critical situations. Enhance your capability to detect and identify radionuclides swiftly and accurately, ensuring proper and safe disposition.


Every day we help organizations protect citizens, environment, infrastructure, and borders from inadvertent radioactive exposure. Let us help you too.