AT2327 Alarm Dosimeter (Pedestrian Radiation Monitors)
AT2327 Alarm Dosimeter (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
- High reliability and self-check function
- Backup power source
Applications
False alarm rate
|
≤1 for 8 h of continuous operation
|
PC interface
|
RS 485
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Continuous battery operation time
|
≥6 h
|
Protection class
|
IР65
|
Overall dimensions, weight
|
depending on configuration
|
Gamma radiation detection unit (DU)
|
BDKG-19
|
BDKG-35
|
BDRM-05
|
|
Scintillation detector
|
NaI(Tl) Ø63x160 mm
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Plastic Ø70х150 mm
|
Plastic 1000х100х50 mm
|
|
Energy range
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50 keV – 3 MeV
|
20 keV – 3 MeV
|
50 keV – 3 MeV
|
|
Typical sensitivity, cps/(µSv·h-1)
|
32500 [241Am]
4900 [137Cs] 2800 [60Co] |
10000 [241Am]
3200 [137Cs] 1600 [60Co] |
60000 [241Am]
31500 [137Cs] 16500 [60Co] |
|
Minimal detectable gamma radiation dose rate level above background value 0.1 µSv/h in a period not longer than 2 s
|
0.03 µSv/h
|
0.04 µSv/h
|
0.01 µSv/h
|
|
Detection threshold for unshielded source at 1 m height under natural radiation background conditions not more than 0.1 µSv/h
1 DU
2 DU
|
1 DU
|
430 kBq [241Am]
220 kBq [137Cs] 100 kBq [60Co] |
1180 kBq [241Am]
230 kBq [137Cs] 100 kBq [60Co] |
800 kBq [241Am]
110 kBq [137Cs] 60 kBq [60Co] |
2 DU
|
320 kBq [241Am]
160 kBq [137Cs] 70 kBq [60Co] |
860 kBq [241Am]
170 kBq [137Cs] 70 kBq [60Co] |
580 kBq [241Am]
80 kBq [137Cs] 40 kBq [60Co] |
|
(Distance to source 1 m, source travel speed 5 km/h, probability of source detection 80 % under confidence level Р=0.95)
|
Neutron radiation detection unit (DU)
|
BDKN-01
|
BDKN-05
|
|
Detector
|
He-3 proportional counter in polyethylene moderator
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Two He-3 proportional counters in polyethylene moderator
|
|
Energy range
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0.025 eV – 14 MeV
|
0.025 eV – 14 MeV
|
|
Typical sensitivity to source radiation at the distance of 1 m, cps/(neutron·s-1·cm-2)
|
1.3 [252Cf]
|
20 [252Cf]
|
|
Source detection threshold at 1 m height, neutron/s
|
1 DU
|
2.2·105 [252Cf]
|
2.3·104 [252Cf]
|
2 DU
|
–
|
1.6·104 [252Cf]
|
|
(Distance to source 1 m, source travel speed 5 km/h, probability of source detection 80% under confidence level Р=0.95)
|
Design and specifications are subject to change.
For details see our datasheet.
Specifications
Detection units: |
Energy range: |
Detector: |
Typical sensitivity to 137Cs gamma radiation: |
Typical sensitivity to 252Cf neutron radiation: |
Minimal detectable gamma radiation dose rate level above background value 0.1 µSv/h in a period not longer than 2 s: |
False response rate: |
Power supply: |