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Cronos-4 – Tool and Object monitor 129 Liter

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  • Easy to decontaminate
  • Counts gamma photons with energy >50 keV
  • Six 50 mm thick large surface area plastic scintillator detectors
  • Six sides of removable 25 mm thick lead ingot shielding standard
  • Scale built-in with range to 100 kg and 0.1 kg resolution
  • Single or Dual door operation
  • Automatic or manual selection of transmission correction factors
  • Alarms/messages provided audibly and visually
  • WebRemote enabled user interface; accessible locally or via PC/tablet web browser

The Cronos-4 Gamma Object/Tool Monitors are extremely sensitive instruments used  to detect gamma radiation in/on articles such as waste bags, tools, briefcases, hard hats, and other miscellaneous objects. All Cronos monitors use a sophisticated “fast following” background trending and release-limit algorithm to provide the best performance in a stable or varying radiation field. The very low detection threshold is optimized by the quantity and sensitivity of the detectors, the thickness of the lead shielding and the measuring time, so that stringent user requirements can be met. With a WebRemote software, an easy-to-use touch screen graphical user interface for industrial PC-based operation results in improved health physics programs, better tracking of contamination and faster, more thorough personnel throughput at boundary points. The devices are rugged and reliable; and they are extremely easy to use.

Data sheet


Göran Jonsson


Technical specification

Volume: 129 liter
Dimension: 45 x 58 x 48 cm (W x D x H)
Weighth: No lead = 445 kg, Additional lead 25 mm = 751 kg, Additional Lead 50 mm = 1503 kg

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