SI8B-1
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Geiger-Muller counter of 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 |
390 |
Plateau length |
V |
100 |
Plateau slope |
% / V |
0,25 max |
Dead time |
μs |
160 |
Sensitivity to 60Со with DER 1 μR/s |
count / μR |
350 ÷ 500 |
Sensitivity to 137Cs with DER 3 μR/s |
count / μR |
250 ÷ 310 |
Efficiency to beta radiation |
% |
50 ÷ 85 |
Interelectrode capacitance |
pF |
13 |
Own background (in the 50 mm Pb shield) |
count /s |
2,0 max |
Mica window area |
cm2 |
33 |
Operating temperature range | °С | -50 ÷ +60 |
Life expectancy |
count |
1×1010 |
Weight |
g |
67 |