CADMIUM

The PRD CADMIUM Search Alarm Dosimeter is a high sensitivity device intended to detect and localize radioactive and nuclear materials by their external gamma and neutron radiation. It is widely used to prevent the illicit transfer of radioactive materials. The device comprises high sensitivity Csl scintillation detectors of gamma and Lil of neutron radiation with solid state (silicon) photomultiplier.

CADMIUM has the ingress protection rating IP67 and modern ergonomic design. It is equipped with a large color display with high resolution. The device has no “microphone effect” and ensures high thermal stability. When threshold levels are exceeded, audible and vibrating alarms are generated, as well as light color indication of threshold levels exceeding (gamma radiation — red color, neutron — blue) with its duplication on the device front panel and end face. The integrated GPS/GLONASS receiver and the new software make it possible to display the received radiation monitoring information on the electronic map. The dosimeter can be connected to the PC via the USB port. It is powered from the built-in lithium polymer storage batteries that can be charged via the USB cable. Time of continuous operation is more than 200 hours.

Purpose of Use

  • Search (detect and localize) for radioactive and nuclear materials by their external gamma and neutron radiation
  • Measurement of ambient dose equivalent rate (DER) of gamma and X-ray radiation (photon-ionizing radiation)
  • Indication of ambient dose equivalent rate (DER) of neutron radiation
  • Measurement of ambient dose equivalent (DE) of gamma and X-ray radiation
  • Determination of gamma, X-ray and neutron radiation intensity
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Features and Benefits:
  • High sensitivity CsI(Tl) scintillation detectors of gamma and LiI(Eu) of neutron radiation with solid-state (silicon) photomultiplier
  • Color display with high resolution
  • No “microphone effect”
  • High thermal stability
  • Audio and vibration alarm of threshold levels exceeding
  • Threshold alarm system with four independent threshold levels:
    Search threshold level (threshold level of count rate from the detector photon and neutron ionizing radiation)
    Safety threshold level (threshold level of photon ionizing radiation DER)
    Accumulated dose threshold level
  • Light color alarm (indication) of threshold levels exceeding (gamma radiation – red color, neutron – blue) and visual alarm on the side of the device
  • Dosimeter communicates with a PC via USB port
  • Powered by built-in lithium polymer storage battery that can be charged via USB cable
  • Software is used for:
    Reading measurement results and critical events from the dosimeter memory into the PC
    Report preparation and printout
    Display of the obtained dosimetric information with the GPS coordinates on the area map
Branches of Use:
  • Customs and Border Service
  • Law Enforcement Agencies
  • Industry
  • Radioactive Waste Storage Sites
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