MONA – Mobile Radiation Detection

MONA – Mobile Radiation Detection

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MONA is ENVINET’s mobile spectroscopic detection and survey system for use in land vehicles, aircrafts or watercrafts. MONA is able to detect smallest amounts of artificial radiation in the environment, coming from potential threats like nuclear incidents or accidents, non-authorized usage of radioactive sources, dirty bombs etc. MONA is used by mobile emergency response teams for the detection and localization of radiation contamination in the environment. The system acquires the gamma spectrum, identifies the isotopes, and calculates the total gamma dose rate as well as the dose rate for each identified nuclide.

MONA compares the measured and calculated results with predefined alarm levels and uses GPS data to assign the actual monitoring location to the related data records and spectra.

The nuclide-related data are displayed on a mobile PC in the vehicle as color-coded tracks on a map, and are linked to spectra, waterfall plots, graphs and tables, thus easing the identification and localization of possible contamination in the field.

In its standard configuration, MONA uses a high sensitive 4 liter NaI(TI) scintillation detector. Optionally, the system can be extended with up to three additional detectors to extend the dose rate of the gamma spectrometer. A GM based gamma dose rate detector for the high dose rate range and a neutron detector for neutron survey are available as an option, too.

MONA consists of two parts: the self-contained detection unit in a sealed cabinet and the mobile PC. For additional protection and to avoid attracting attention, the detection unit can be integrated into a top box mounted on top of the car. No wired connection is needed between the detection unit and the PC. The detection unit can be powered from its integrated rechargeable battery for at least 24 hours.