Vehicle Radiation Monitors (AT2327 Alarm Dosimeter)
Vehicle Radiation Monitors (AT2327 Alarm Dosimeter)
- Modular system design
- Automatic adjustment of set threshold levels according to changes in natural radiation background
- High reliability and self-check function
- Backup power source
- Automatic data logging
- Optional CCTV connectivity
Applications
Detection time per one vehicle
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≤20 s
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False alarm rate
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≤1 per 1000 crossings
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Continuous battery operation time
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≥6 h
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Protection class
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IР65
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Overall dimensions, weight
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depending on configuration
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Gamma radiation detection unit (DU)
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BDKG-19
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BDKG-35
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BDRM-05
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Scintillation detector
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NaI(Tl) Ø63x160 mm
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Plastic Ø70х150 mm
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Plastic 1000х100х50 mm
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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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50 keV – 3 MeV
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Typical sensitivity, cps/(µSv·h-1)
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32500 (241Am)
4900 (137Cs) 2800 (60Co) |
10000 (241Am)
3200 (137Cs) 1600 (60Co) |
60000 (241Am)
31500 (137Cs) 15000 (60Co) |
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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0.01 µSv/h
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Neutron radiation detection unit (DU)
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BDKN-05
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Detector
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Two He-3 proportional counters in polyethylene moderator
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Energy range
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0.025 eV – 14 MeV
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Typical sensitivity to source radiation at the distance of 1 m, cps/(neutron·s-1·cm-2)
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20 [252Cf]
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Detection threshold for unshielded source
under natural radiation background conditions not more than 0.1 µSv/h (Probability of source detection 80% under confidence level Р=0.95) |
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Road vehicles. Travel speed 8 km/h
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DU configuration (location and number)
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BDKG-19
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BDKG-35
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BDRM-05
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BDRM-05
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Control zone
width – 3 m, height – 2 m |
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1100 kBq [241Am]
470 kBq [137Cs] 220 kBq [60Co] |
2850 kBq [241Am]
550 kBq [137Cs] 230 kBq [60Co] |
1800 kBq [241Am]
280 kBq [137Cs] 120 kBq [60Co] |
4.1·104 neutron/s [252Cf]
|
|
770 kBq [241Am]
320 kBq [137Cs] 160 kBq [60Co] |
1940 kBq [241Am]
370 kBq [137Cs] 150 kBq [60Co] |
1200 kBq [241Am]
160 kBq [137Cs] 90 kBq [60Co] |
2.5·104 neutron/s [252Cf]
|
|
Control zone
width – 6 m, height – 4.5 m |
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2700 kBq [241Am]
1190 kBq [137Cs] 540 kBq [60Co] |
6900 kBq [241Am]
1350 kBq [137Cs] 550 kBq [60Co] |
4400 kBq [241Am]
550 kBq [137Cs] 270 kBq [60Co] |
4.4·104 neutron/s [252Cf]
|
|
1860 kBq [241Am]
800 kBq [137Cs] 370 kBq [60Co] |
4950 kBq [241Am]
890 kBq [137Cs] 370 kBq [60Co] |
3000 kBq [241Am]
400 kBq [137Cs] 200 kBq [60Co] |
2.6·104 neutron/s [252Cf]
|
|
Railway vehicles. Travel speed 20 km/h
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DU configuration (location and number)
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BDKG-19
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BDKG-35
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BDRM-05
|
BDRM-05
|
Control zone
width – 6 m, height – 4.5 m |
|
–
|
–
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6900 kBq [241Am]
880 kBq [137Cs] 470 kBq [60Co] |
8.0·104 neutron/s [252Cf]
|
|
–
|
–
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5200 kBq [241Am]
650 kBq [137Cs] 310 kBq [60Co] |
4.9·104 neutron/s [252Cf]
|
Design and specifications are subject to change.
For details see our datasheet.
Specifications
Passage width / height: |
Detection units: |
Energy range: |
Detector: |
Typical sensitivity to 137Cs gamma radiation: |
Typical sensitivity to 252Cf neutron radiation: |
Fast 2-second response when background level is exceeded for: |
False response rate: |