AT6102, AT6102A, AT6102B核素伽马剂量率辐射中子能谱仪
操作原理
高灵敏度NaI(TI)探测器用于检测伽马辐射、寻找伽马放射源、定位放射性污染、测量伽马能谱、核素识别。
仪器配有GM计数器,用于扩大NaI探测器的测量范围。
在AT6102中,配有两个3He计数器探测中子辐射,寻找放射源,计算中子辐射计数率。
两款仪器都可以连接外部探头测量α和β辐射(BDPA-01,BDPB-01)。
AT6101,AT6101B能谱仪符合IEC62327:2006标准
安全标准:IEC61010-1:1990
电磁辐射标准:EN55022:1998+A1:2000+A2:2003,EN55024:1998+A1:2001+A2:2003
IEC61000-4-2:2001,IEC61000-4-3:2008等标准
此能谱仪具有白俄罗斯、俄罗斯、乌克兰和哈萨克斯坦的标准认证。
AT6102, AT6102A, AT6102B核素伽马剂量率辐射中子能谱仪特点
l 可以测量α、β、γ和中子辐射
l 探测和定位放射源,实时识别核素
l 功能多样
l 外形设计坚固耐用
l 可以实现在线测量,有专业分析模式
l 自动稳定能量范围,通过内置KCl样品校准
l 数字温度补偿
l 超阈值报警
l 能够存储400个能谱
l 能够在现场环境中测量
l 通过USB接口和计算机相连
l 可以连接外部探头
应用
l 核辐射事故调查
l 环境辐射监测
l 核废料控制
l 边境和海关检测
l 核工业和核能
l 地质辐射检测
l 核燃料生产
l 核医疗
l 核素研究
技术参数
探测器
NaI(TI)φ40x40mm
2个3He中子计数器
GM计数器
外部探测器
BDPA-01(α):ZnS(Ag)φ60mm
BDPB-01(β):塑料φ60mm
BDKN-03(中子):3He
能量范围
伽马辐射:20keV-3MeV
中子辐射(AT6102):0.025eV-14MeV
中子辐射(BDKN-03):0.025eV-14MeV
α辐射(BDPA-01):4-7MeV
β辐射(BDPB-01):155keV(14C)-3.5MeV(106Ru+106Rh)
核素识别:工业、天然、医疗核素
可选服务:能谱库中的能谱可以更改
能量分辨率(对137Cs):≤7.5%
zui大统计粒子数:≥5x104s-1
积分非线性:zui大1%
测量时间(对137Cs,活度为50Bq,距离为20cm):≤2s
测量时间(对252Cf,中子辐射104n/s,距离为20cm):≤5s
灵敏度
241Am:6000cps/uSv/h
137Cs:760cps/uSv/h
60Co:330cps/uSv/h
252Cf(中子):≥0.5脉冲.cm2/n
测量范围
0.01-300uSv/h
10uSv/h-10mSv/h(GM计数器)
中子:0.1uSv/h-10mSv/h(BDKN-03)
灵敏度根据能量的变化
NaI(TI):±20%(50keV-3MeV)
GM计数器:-25%到45%(60keV-3MeV)
能量密度测量范围
α:0.5-105p/(min.cm2)
β:3-5x105p/(min.cm2)
固有误差:±20%
能量标度不稳定性:≤1%
通道数:512
开机预热时间:≤1min
连续测量时间:≥15h
工作温度:-20到50℃
相对湿度:≤95%
防护等级:IP54
跌落测试:20cm
电源:内部电池
数据接口:USB
尺寸和重量
AT6102:225x108x208mm,2kg
AT6102A:225x108x208mm,1.5kg
BDPA-01:φ87x205mm,0.55kg
BDPB-01:φ87x205mm,0.65kg
BDKN-03:314x220x263mm,8kg
英文版对照资料:
Specifications of spectrometers | АТ6102 (γ, n) | АТ6102А (γ) | АТ6102В (γ) |
Gamma radiation detector | Scintillator NaI(Tl), Ø40x40 mm; Geiger-Muller counter tube | Scintillator NaI(Tl), Ø40x40 mm; Geiger-Muller counter tube | Scintillator NaI(Tl), Ø40x80 mm; Geiger-Muller counter tube |
Neutron radiation detector | Two 3He proportional neutron counter | – | – |
Gamma radiation energy range | 20 keV...3 MeV |
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Neutron radiation energy range | 0.025 eV...14 MeV | – | – |
Radionuclide identification | Medical, Industrial and Natural (Library of identified radionuclides can be modified) | ||
Typical resolution at 662 keV (137Cs) | 7.5% | 7.5% | 8% |
Maximum input statistical load | ≥1.5·105 s-1 | ||
Detection time of 137Cs source with 50 kBq activity at 20 cm distance | ≤2 s | ||
Detection time of 252Сf source with 0.9 probability and neutron yield 1.8·104neutron/s at 20 cm distance | ≤5 s | – | – |
Measurement range of gamma radiation ambient dose equivalent rate | 0.01...300 µSv/h [NaI(Tl)] 10µSv/h...100mSv/h [G-M] | 0.01...300 µSv/h [NaI(Tl)] 10 µSv/h...100 mSv/h [G-M] | 0.01...150 µSv/h [NaI(Tl)] 10 µSv/h...100 mSv/h [G-M] |
Limit of dose rate measurement intrinsic relative error | ±20% | ||
Sensitivity to gamma radiation | cps/µSv·h-1 | cps/µSv·h-1 | cps/µSv·h-1 |
241Am | 6600 | 6600 | 11600 |
137Сs | 850 | 850 | 1700 |
60Сo | 430 | 430 | 840 |
Energy dependence relative to 662 keV (137Cs) | ±20% [NaI(Tl)] (in 50 keV...3 MeV energy range) | ||
Sensitivity to direct neutron radiation | impulse·cm2/neutron |
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Pu-Be | 0.28 | – | – |
252Сf | 0.5 | – | – |
Number of ADC channels | 1024 | ||
Operation mode setup time | ≤1 min | ||
Continuous run time | ≥18 h | ≥25 h | ≥25 h |
With external smart probes connected | ≥15 h | ≥17 h | ≥17 h |
Protection class | IР65 | ||
Drop protection | From 20 cm height to hard surface | ||
Working temperature range | -20°C...+50°C | ||
Relative air humidity with air temperature ≤35°C without condensation | ≤95% | ||
Connection to PC | USB, Bluetooth | ||
Overall dimensions | 230х115х212 mm, | 230х115х177 mm | 230х115х177 mm |
Weight | 2.5 kg | 1.9 kg | 2.15 kg |
Specifications of external smart probes | BDPA-01 (α) | BDPB-01 (β) | BDKN-03 (n) |
Detector | ZnS(Ag) scintillator, Ø60 mm | Scintillation plastic,Ø60 mm | 3He counter in polyethylene moderator |
Measurement range | 0.5 ... 1·105 particle/(min·cm2) (Flux density) | 3 ... 5·105 particle/(min·cm2) (Flux density) | 0.1 µSv/h ... 10 mSv/h (Dose rate) |
Energy range | 4 ... 7 MeV | 155 keV ... 3.5 MeV | 0.025 eV...14 MeV |
Sensitivity | 0.15 cps/(part.·min1·cm-2) (239Pu) | 0.3 cps/(part.·min-1·cm-2) (90Sr+90Y) | 0.355 cps/µSv·h-1 (Pu-Be) |
Limit of intrinsic relative measurement error | ±20% | ||
Protection class | IР54 | ||
Overall dimensions | Ø87x205 mm | Ø87x205 mm | 314х220х263 mm |
Weight | 0.55 kg | 0.65 kg | 8 kg |