BETA-8
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Geiger-Muller counter of alpha-beta-gamma-radiation
- Main characteristics
- Overall dimensions
- Typical count rate as a function of dose rate
- The scheme of connection
Main characteristics
|
Starting voltage |
V |
280÷350 |
|
|
Operating voltage (recommended) |
V |
500 |
|
|
Operating voltage range |
V |
400÷600 |
|
|
Plateau length |
V |
200 min |
|
|
Plateau slope |
%·V-1 |
0,10 max |
|
|
Efficiency to: |
% |
|
|
|
|
239Pu |
|
36 min |
| 204Tl | 45 min | ||
|
|
90Sr - 90Y |
|
60 min |
| 14C | 6 min | ||
|
Sensitivity to 137Cs |
cps·mR-1·h |
16,2÷19,8 |
|
|
Own background in the 50 mm Pb shield |
cps |
0,3 max |
|
|
Surface density of mica |
mg·cm-2 |
2,0÷2,5 |
|
|
Mica window area |
cm2 |
0,57÷0,65 |
|
|
Operating temperature range |
°С |
-50÷+60 |
|
|
Life expectancy |
count |
1×1010 |
|
|
Weight |
g |
8 max |
|
Well-known analogues: counter ZP1400
Overall dimensions
Typical count rate as a function of dose rate 137Сs
The scheme of connection
