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 |
250÷310 |
|
Operating voltage (recommended) |
V |
400 |
|
Operating voltage range |
V |
340÷480 |
|
Plateau length |
V |
100 min |
|
Plateau slope |
%·V-1 |
0,3 max |
|
Efficiency to: |
% |
|
|
|
204 Tl |
|
40 min |
|
90Sr - 90Y |
|
60 min |
Sensitivity to 137Cs with dose rate 0,01 mR/s |
count·mR-1 |
3000÷4500 |
|
Own background in the 50 mm Pb shield |
s-1 |
0,16 max |
|
Surface density of mica |
mg·cm-2 |
1,0÷1,4 |
|
Mica window area |
cm2 |
0,15 |
|
Operating temperature range |
°С |
-40÷+50 |
|
Life expectancy |
count |
1×1010 |
|
Weight |
g |
0,8 max |
|
Well-known analogues: counter SI9BGM
Overall dimensions
Typical count rate as a function of dose rate 137Сs
The scheme of connection
