AT6102, AT6102A, AT6102B核素伽馬劑量率輻射中子能譜儀
操作原理
高靈敏度NaI(TI)探測器用于檢測伽馬輻射、尋找伽馬放射源、定位放射性污染、測量伽馬能譜、核素識別。
儀器配有GM計(jì)數(shù)器,用于擴(kuò)大NaI探測器的測量范圍。
在AT6102中,配有兩個3He計(jì)數(shù)器探測中子輻射,尋找放射源,計(jì)算中子輻射計(jì)數(shù)率。
兩款儀器都可以連接外部探頭測量α和β輻射(BDPA-01,BDPB-01)。
AT6101,AT6101B能譜儀符合IEC62327:2006標(biāo)準(zhǔn)
安全標(biāo)準(zhǔn):IEC61010-1:1990
電磁輻射標(biāo)準(zhǔn):EN55022:1998+A1:2000+A2:2003,EN55024:1998+A1:2001+A2:2003
IEC61000-4-2:2001,IEC61000-4-3:2008等標(biāo)準(zhǔn)
此能譜儀具有白俄羅斯、俄羅斯、烏克蘭和哈薩克斯坦的標(biāo)準(zhǔn)認(rèn)證。
AT6102, AT6102A, AT6102B核素伽馬劑量率輻射中子能譜儀特點(diǎn)
l 可以測量α、β、γ和中子輻射
l 探測和定位放射源,實(shí)時識別核素
l 功能多樣
l 外形設(shè)計(jì)堅(jiān)固耐用
l 可以實(shí)現(xiàn)在線測量,有專業(yè)分析模式
l 自動穩(wěn)定能量范圍,通過內(nèi)置KCl樣品校準(zhǔn)
l 數(shù)字溫度補(bǔ)償
l 超閾值報(bào)警
l 能夠存儲400個能譜
l 能夠在現(xiàn)場環(huán)境中測量
l 通過USB接口和計(jì)算機(jī)相連
l 可以連接外部探頭
應(yīng)用
l 核輻射事故調(diào)查
l 環(huán)境輻射監(jiān)測
l 核廢料控制
l 邊境和海關(guān)檢測
l 核工業(yè)和核能
l 地質(zhì)輻射檢測
l 核燃料生產(chǎn)
l 核醫(yī)療
l 核素研究
技術(shù)參數(shù)
探測器
NaI(TI)φ40x40mm
2個3He中子計(jì)數(shù)器
GM計(jì)數(shù)器
外部探測器
BDPA-01(α):ZnS(Ag)φ60mm
BDPB-01(β):塑料φ60mm
BDKN-03(中子):3He
能量范圍
伽馬輻射:20keV-3MeV
中子輻射(AT6102):0.025eV-14MeV
中子輻射(BDKN-03):0.025eV-14MeV
α輻射(BDPA-01):4-7MeV
β輻射(BDPB-01):155keV(14C)-3.5MeV(106Ru+106Rh)
核素識別:工業(yè)、天然、醫(yī)療核素
可選服務(wù):能譜庫中的能譜可以更改
能量分辨率(對137Cs):≤7.5%
zui大統(tǒng)計(jì)粒子數(shù):≥5x104s-1
積分非線性:zui大1%
測量時間(對137Cs,活度為50Bq,距離為20cm):≤2s
測量時間(對252Cf,中子輻射104n/s,距離為20cm):≤5s
靈敏度
241Am:6000cps/uSv/h
137Cs:760cps/uSv/h
60Co:330cps/uSv/h
252Cf(中子):≥0.5脈沖.cm2/n
測量范圍
0.01-300uSv/h
10uSv/h-10mSv/h(GM計(jì)數(shù)器)
中子:0.1uSv/h-10mSv/h(BDKN-03)
靈敏度根據(jù)能量的變化
NaI(TI):±20%(50keV-3MeV)
GM計(jì)數(shù)器:-25%到45%(60keV-3MeV)
能量密度測量范圍
α:0.5-105p/(min.cm2)
β:3-5x105p/(min.cm2)
固有誤差:±20%
能量標(biāo)度不穩(wěn)定性:≤1%
通道數(shù):512
開機(jī)預(yù)熱時間:≤1min
連續(xù)測量時間:≥15h
工作溫度:-20到50℃
相對濕度:≤95%
防護(hù)等級:IP54
跌落測試:20cm
電源:內(nèi)部電池
數(shù)據(jù)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
英文版對照資料:
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 |