Gamma Spectrometry Systems nrog HPGe Ntes

Khoom Taw Qhia:

RJ46 Gamma Spectrometry Systems nrog HPGe Ntes feem ntau suav nrog hom tshiab ntawm high-purity germanium low-background spectrometer nws tus kheej tsim. Lub spectrometer txais yuav ib qho kev tshwm sim particle readout txoj kev, thiab siv digital multi-channel kom tau thiab khaws lub zog (amplitude) thiab lub sij hawm cov ntaub ntawv ntawm HPGe ntes tso zis teeb liab.

 

Qhov system muaj pes tsawg leeg:

RJ46 Gamma Spectrometry Systems ntsuas qhov system yog tsim los ntawm peb qhov chaw: high-purity germanium detector, multi-channel teeb liab processor, thiab lead chamber. Cov khoom ntes muaj xws li HPGe lub ntsiab ntes, digital multi-channel mem tes processor, thiab cov suab nrov qis thiab qis hluav taws xob; lub party computer software mas suav nrog parameter configuration module, particle event information receive module, coincidence/anti-coincidence measurement module, thiab spectrum line display module.

 

Nta:

① Txhawb nqa dual spectrum ntsuas ntawm lub zog spectrum thiab lub sij hawm spectrum

② Cov ntaub ntawv tuaj yeem hloov pauv ntawm Ethernet thiab USB

③ Nrog passive efficiency calibration software

④ Lub sijhawm siab thiab lub zog siab daws teeb meem, kev txhawb nqa siab dhau

⑤ Digital lim shaping, tsis siv neeg lub hauv paus rho tawm

⑥ Muaj peev xwm tau txais cov ntaub ntawv particle thiab lub zog spectrum cov ntaub ntawv kis tau los ntawm lub cuab yeej thiab khaws cia ua cov ntaub ntawv

⑦ Ua tau raws li cov qauv hauv qab no:

《Gamma Spectroscopy Analysis Method for Radionuclides in Biological Samples》 GB/T 1615-2020

《Gamma Spectroscopy Analysis Method for Radionuclides in Water》 GB/T 16140-2018

《 General Method for Gamma Spectroscopy Analysis of High Purity Germanium》 GB/T 11713-2015

γ-ray spectrum tsom xam txoj kev rau radionuclides hauv av" GB T 11743-2013

《Gamma Spectrum Analysis Method for Radionuclides in Air》 WS/T 184-2017

Ge Gamma-ray Spectrometer Calibration Specification JF 1850-2020

《Technical Specification for Gamma Nuclide Measurement of Environmental Samples in Emergency Monitoring》 HJ 1127-2020

 

Main technical indicators, As:

Ntes:

① Crystal hom: High purity germanium

② Zog teb ntau yam: 40keV ~ 10MeV

③ txheeb ze efficiency: ≥60%

④ Zog daws teeb meem: ≤2keV rau 1.332 MeV ncov; ≤1000eV rau 122keV ncov

⑤ Peak rau Compressor Ratio: ≥68: 1

⑥ Peak shape tsis: FW.1M/FWHM≤2.0

Digital Multi-Channel Analyzer:

① Cov ntaub ntawv tshaj tawm tus nqi: tsis pub tsawg dua 100kcps

② Tau txais: Teem ntxhib thiab zoo hloov kho kom tau raws li qhov yuav tsum tau hloov kho ntawm spectrum amplification muaj nuj nqi

③ Tau tshaj nrog them nqi preamplifiers, tam sim no preamplifiers, voltage preamplifiers, pib dua hom preamplifiers, tus kheej tawm hom preamplifiers, thiab lwm yam.

④ Txhawb dual spectrum ntsuas ntawm lub zog spectrum thiab lub sij hawm spectrum

⑤ Muab tus qauv DB9 preamplifier fais fab mov, sib xws nrog NIM qhov

⑥ Plaub hom kis tau tus mob: Raw Pulse View, Shaped View, Kab Saib, thiab Particle hom

⑦ Particle hom txhawb ntsuas lub sij hawm tuaj txog, lub zog, lub sij hawm sawv, lub caij nplooj zeeg thiab lwm yam ntaub ntawv ntawm cov xwm txheej sab hnub tuaj (customizable ntawm kev thov)

⑧ Txhawb 1 lub ntsiab ntes teeb liab tawm tswv yim thiab mus txog 8 qhov kev sib koom ua ke ywj pheej channel inputs

⑨ 16-ntsis 80MSPS, ADC sampling, tuaj yeem muab kev txhawb nqa txog 65535 spectral kab

⑩ Lub sijhawm ua haujlwm siab thiab lub zog siab daws teeb meem, kev txhawb nqa siab dhau

⑪ Programmable high voltage thiab tso saib

⑫ Cov ntaub ntawv tuaj yeem hloov pauv ntawm Ethernet thiab USB

⑬ Digital lim shaping, tsis siv neeg lub hauv paus rho tawm, ballistic poob kho, tsis tshua muaj suab nrov suppression, tsis siv neeg optimization, tsis siv neeg ncej xoom, xoom tuag lub sij hawm kho, gated baseline restoration thiab virtual oscilloscope muaj nuj nqi

⑭ Nrog GammaAnt spectrum tsom xam thiab ua software, nws tuaj yeem paub txog kev ua haujlwm xws li kev txheeb xyuas nuclide thiab cov qauv ntsuas kev ua haujlwm.

Tsawg tus thawj coj chamber:

① Cov hlau lead chamber yog qhov qub kev sib xyaw ua ke

② Lead thickness ≥10cm

Spectrum tsom xam thiab nrhiav software:

① Nws tuaj yeem tau txais spectrum, teeb tsa, thiab lwm yam.

② Muaj peev xwm tau txais cov ntaub ntawv particle thiab lub zog spectrum cov ntaub ntawv kis tau los ntawm lub cuab yeej thiab khaws cia ua cov ntaub ntawv

③ Spectral kab cov ntaub ntawv ua haujlwm muaj peev xwm paub txog cov ntaub ntawv thiab lub zog spectrum cov ntaub ntawv txheeb xyuas, ua thiab saib, thiab txhawb nqa cov ntaub ntawv sib koom ua ke, tshuaj xyuas thiab faib ua haujlwm

④ Nrog passive efficiency calibration software thiab sojntsuam characterization