BIN (Bin Lepidium sativum) background ignorat technologiam
② MCA multispectrum analyser, proprium SIGMA algorithm statisticum
NORMA munus (40K) Velox distinguere inter nucleos communes artificiales et naturales (e. g40K、232Th)
Nuclide agnitio functionis (cum sodium iodide probe / ad libitum)
⑤ Coniungendo sodium iodide detectoris et MCA energiae multicanalis spectrometri analystoris accurate distinguere potest inter nuclides, nucleos industriales et radionuclides naturales.
Naturalis nuclide | 40K、226Ra、232Th |
Industriae nuclei | 241Am、137Cs、60Co、57Co、22Na、133Ba、54Mn、88Y |
Nuclides medicae | 131EGO,201Tl、203Hg、18F、99mTc、99Mo、192Ir |
Specialis materiae nuclei | 57Co、152Eu,238U |
summus celeritate sampling (celeriter: 200ms)
nomen project | Parameter informationes |
Genera detectors | Plate plastic scintillator + sonitus humilis photomultiplier tube |
Detector volumen | 5,10,15 ad libitum cum duali specillo (ostium default duali probe) |
Maximum saltum rate | 106cps |
industria range | 25keV~3MeV |
sensus | m5000cps / (Sv / h) (10 L, relative137Cs) |
Deprehensio minus terminus | Facultatem deprehendendi radiorum supra curriculum 5nSv / h |
Ad libitum, tubus neutron |
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Dinnuclide agnitio libitum |
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1. Deprehensio Static efficientiam (AB)
A. Static deprehensio systema vigilantia pedestrem efficientiam
ardens fons | Pelagus industriakeV | Deprehensio stabilis efficientiam | Dose rate ad 1.5m / (nSv.h-1/MBq | |
s-1/MBq | s-1/(nSv.h-1) | |||
241Am | 60 | ≥220 | ≥94 | 2.3 |
57Co | 122,136 | ≥840 | ≥90 | 9.3 |
137Cs | 662 | ≥960 | ≥23 | 42 |
60Co | 1173,1332 | ≥1800 | ≥11 | 160 |
133Ba | 3,181,302,356 | ≥1680 | ≥73 | 23 |
Effunde;
1. 252Cf vexillum neutronum fons testium cum forti fonte neutronis 12000 / s (1 ± 20%) ponitur in loco notationis detectoris.
2. Neutron rate occurret postulationi quantitatis comitialis> 100 (1 ± 20%) / s
Static deprehendendi efficientiam B-row sarcina ratio magna
ardens fons | Pelagus industriakeV | Deprehensio stabilis efficientiam | Dose rate ad 1.5m / (nSv.h-1/MBq | |
s-1/MBq | s-1/(nSv.h-1) | |||
241Am | 59.5 | ≥480 | ≥92 | 5.2 |
57Co | 122,136 | ≥2400 | ≥114 | 21 |
137Cs | 662 | ≥2640 | ≥28 | 95 |
60Co | 1173,1332 | ≥5760 | ≥16 | 360 |
133Ba | 3,181,302,356 | ≥4560 | ≥88 | 52 |
2. Deprehensio sensus
Pedestria magna ratio et linea sarcina magna ratio
Pedestrem: Deprehensio probabiliter f XC% celeritas v = 1.2m / s *
Linea sarcina: probe probabiliter f XC% celeritas v = 1m / s *
ardens fons | Actio seu species |
137Cs | 0.08MBq |
60Co | 0.02MBq |
241Am | 2.27MBq |
3. Anti-inpedimento neutronis observantia detector
Cum 60Co fons dosem generat in centro geometricae superficiei neutronis detectoris systematis vigilantiae, maior quam 120 Sv / h, ratio vigilantia neutron terrorem felis non debet.
4. Falsus terror rate: 0.01% (, neutron)
Probabilitas deprehendendi ratio terrorem non-radioactive substantiae vel non-SNM
5. cultro characteres
Cum detector superficies dosis est> 120 Sv/h, ratio vigilantia terrorem conservabit et in statum curriculi reditum, et terror emissio temporis minor est quam 60s.
6. Sensibilitas constantia
In latitudine deprehendatur spatio
Pedestria ± 25% Line Pack ± 25%
Misalarm rate
Stabulo in ambitu:
Utere spatio sensori, 10000 temporibus, falsa terrore rate 1
Sine usura in sensorem occupantem, in rate falsa terrore ac misidentificatione semel in 12h . adhibita sunt
γ Radiation Responsio
Occupare 50 times, terror 49 times
Outrange
Plus 100 v S / h, terror altus radiorum emittitur et intra 1min post fontem foliorum emittitur
Neutron terror adductus radialis
Nullus neutron terrori utitur cum dosis γ-radii 100 Sv / h . attingit
Background influxum
Cum rerum curricula mutatio satis magna est ad probabilitatem magnam in terrore mutationem causandam, ratio vigilantia admonitionem promptam dabit
Nuclide agnitio
Naturalis nuclide | 40K、226Ra、232Th |
Industriae nuclei | 241Am、137Cs、60Co、57Co、22Na、133Ba、54Mn、88Y |
Nuclides medicae | 131EGO,201Tl、203Hg、18F、99mTc、99Mo、192Ir |
Specialis materiae nuclei | 57Co、152Eu,238U |
Nota: Nuclidis identificatio et deprehensio neutronis libitum est, non in systemate norma