Specification :
|
type of measured rays |
α βrays |
|
detector |
ZnS、plastic scintillator |
|
displaying unit |
total counting、cps |
|
background: |
≤0.005min-1cm-2，βbackground ≤0.15min-1cm-2 |
|
efficiency |
αdetecting efficiency:≥80 % (239Pu 2π) |
|
βdetecting efficiency |
≥50 % (90Sr-90Y 2π) |
|
stability |
detecting efficiency ofα<10 %，detecting efficiency of β<3 % |
