AT2327 Alarm Dosimeter (AT920B, AT920P Pedestrian Radiation Monitors)
AT2327 Alarm Dosimeter (AT920B, AT920P Pedestrian Radiation Monitors)
- Rapid accommodation to changes in radiation background
- Sound and light alarm
- Multiple pedestrian radiation monitors (up to 32) can be joined into a network controlled by dedicated software running on a PC
- Mobility and rapid deployment for passage control
- High reliability and self-check function
- Backup power source
Applications
Pedestrian radiation monitor
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AT920B
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АТ920Р
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Scintillation detector
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NaI(Tl)
Ø63x160 mm
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Plastic
Ø70x150 mm
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Registered radiation
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Gamma radiation
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Energy range
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50 keV – 3 MeV
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20 keV – 3 MeV
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Typical sensitivity to gamma radiation, cps/(µSv·h-1)
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30650 (241Am)
4900 (137Cs) 3140 (60Co) |
10000 (241Am) |
Minimal detectable gamma radiation dose rate level above background value 0.1 µSv/h in a period not longer than 2 s
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0.03 µSv/h
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0.04 µSv/h
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Detection threshold for unshielded source at 1 m height under natural radiation background conditions not more than 0.1 µSv/h (Distance to source 1 m, source travel speed 5 km/h, probability of source detection 80 % under confidence level Р=0.95)
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1 MBq (241Am) |
2.3 MBq (241Am)
370 kBq (137Cs) 190 kBq (60Co) |
False alarm rate
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≤1 for 8 h of continuous operation
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Power supply options
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1) Mains, 110-230 VAC, 50-60 Hz
2) Rechargeable battery up to 6 h
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Dimensions
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Ø350х1220 mm
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Weight
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14.5 kg
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13.5 kg
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Design and specifications are subject to change.
For details see our datasheet.
Specifications
Registered radiation: |
Scintillation detector: |
Energy range: |
Typical sensitivity to 137Cs gamma radiation: |
Minimal detectable gamma radiation dose rate level above background value 0.1 µSv/h in a period not longer than 2 s: |
Detection threshold for unshielded source at 1 m height under natural radiation background conditions not more than 0.1 µSv/h (Distance to source 1 m, source travel speed 5 km/h, probability of source detection 80 % under confidence level Р=0.95): |
False alarm rate: |
Power supply: |
Dimensions: |
Weight: |