BETA-9-1
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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 |
320 max |
|
|
Working voltage |
V |
400 |
|
|
Plateau length |
V |
100 |
|
|
Plateau slope |
% / V |
0,3 max |
|
|
Sensitivity to 137Со (with dose rate 0,01 mR/s) |
count / μR |
3000 ÷4500 |
|
|
Efficiency to : |
% |
|
|
|
|
90Sr - 90Y |
|
60 |
|
|
239 Pu |
|
40 |
|
Own background (in the 50 mm Pb shield) |
count /s |
0,16 max |
|
|
Mica window area |
cm2 |
0,15 |
|
| Operating temperature range | °С | -40 ÷ +50 | |
|
Life expectancy |
count |
1×1010 |
|
|
Weight |
g |
0,8 |
|
Well-known analogues: counter SI9BGM
Overall dimensions
Typical count rate as a function of dose rate 137Со
The scheme of connection
