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 |
250÷310 |
Operating voltage (recommended) |
V |
390 |
Operating voltage range |
V |
350÷550 |
Plateau length |
V |
200 min |
Plateau slope |
%·V-1 |
0,25 max |
Beta radiation detection efficiency |
% |
50÷85 |
Sensitivity to 60Сo with dose rate 1 µR/s |
count·µR-1 |
350÷500 |
Sensitivity to 137Сs with dose rate 3 µR/s |
count·µR-1 |
250÷310 |
Own background in the 50 mm Pb shield |
s-1 |
2 max |
Surface density of mica |
mg·cm-2 |
4,0÷5,0 |
Mica window area |
cm2 |
33 |
Operating temperature range |
°С |
-50÷+60 |
Life expectancy |
count |
1×1010 |
Weight |
g |
67 max |
Overall dimensions
Typical count rate as a function of dose rate 60Со
The scheme of connection
