BETA-1-1
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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 |
305 max |
|
Working voltage |
V |
400 |
|
Plateau length |
V |
350 ÷ 550 |
|
Plateau slope |
% / V |
0,25 max |
|
Dead time |
μs |
100 min |
|
Sensitivity to 60 Со |
count / μR |
96 ÷ 144 |
|
Efficiency to : |
% |
|
|
|
204 Tl |
|
45 |
|
90Sr - 90Y |
|
60 |
|
239 Pu |
|
20 |
Interelectrode capacitance |
pF |
10 |
|
Own background (in the 50 mm Pb shield) |
count /s |
0,6 max |
|
Mica window area |
cm2 |
7-8 |
|
Operating temperature range | °С | -50 ÷ +60 | |
Life expectancy |
count |
1×1010 |
|
Weight |
g |
19 |