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IRIS Carrying Platforms:
- Helicopters and fixed wing aircraft
- Cars or trucks
- Remotely controlled vehicles
- Portable - to hand carry
During the flight and directly after the flight the measured data may be overlaid over the geographical database (digital map) to provide instant geographical reference.
IRIS Applications:
- Emergency situations
- Search for lost or stolen nuclear materials
- Periodical background monitoring around nuclear facilities
- Geophysical airborne surveys
IRIS Main Features:
- Automatic altitude correction
- Automatic calibration
- Automatic spectrum stabilization
- Data synchronized to accurate GPS pps
- Geographical database
- Instant results
- Measurements in absolute units complying with STANAG No. 2473
- Radiation background database
- Real time spectrum non-linearity correction
- Simple installation
- Simple operation
IRIS Operation Modes:
- Ground contamination detection with preset flight pattern
- Ground contamination detection - anomaly chasing
- Radioactive plume tracking
- Simulation mode for training
- Optional receive mode
Basic Technical Parameters:
- Operating voltage: 10 to 30 V DC
- Operating temperature: -10° C to 50° C
- Power consumption:
- Console: approx. 50 W
- Nal(Tl) sensor: 3.5 W each
- Navigation, video: type dependant
- Dimensions, weight:
- Console: 345 x 265 x 90 mm, 4 kg
- Four-liter Nal(Tl) detector approx.: 100 x 100 x 400 mm, 25 kg with housing
- Navigation, video: type dependant
GRS-10 Gamma Spectrometer:
- Using Nal(Tl) Gamma detectors
- Energy range: 35 to 3,000 keV
- Linearity: better than 0.5 % of the FS
- Max. input count rates: 60,000 cps per detector
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Software:
- A map conversion program allowing calibration and display of any scanned map or picture
- All software necessary to operate the IRIS
- All GRS-10 calibration software
- Data quality and data format conversion software
- Real time remote monitoring software is optional
- Post flight data processing software is optional (Geosoft - Oasis-Montaj is recommended)
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IRIS configuration:
Main Console:
- High intensity, sun readable color graphic display with touch screen controls
- Main processor and digital data storage
- GPS or GPS/GLONASS navigation receiver with a real time correction input
- Removable portable keyboard (not used during flight data acquisition)
Additional units:
- High intensity pilot guidance display unit serving for accurate aircraft navigation along the preset flight lines
- GRS-10 gamma spectrometer container(s) with electronics and radiation detectors
- Radar altimeter with an antenna
- CPS receiver antenna
- Optional temperature and pressure sensors connected to the detector electronics
- Optional flight path video recording
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Recommended detector volume:
- For ground contamination measurement: 4 four-litre detectors or more
- For radioactive plume tracking: 2 four-litre detectors
Approximate sensitivity of the ground contamination sensor, measured at 90 meters above ground:
- Cs137 6 kBq/m2
- Co60 3 kBq/m2
- K40 220 Bq/kg
- Bi214 120 Bq/kg
- Tl208 50 Bq/kg
Other sensors:
Optionally other sensors as the Ge semiconductor sensor or sensors for detection of Depleted Uranium may be connected to the system after consultation with the manufacturer.
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