Gamma-21
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Geiger-Muller counter of gamma-radiation
Well-known analogues: gamma-radiation counter 78017.
- Main characteristics
- Overall dimensions
- Typical count rate as a function of dose rate
- The scheme of connection
Main characteristics
|
Starting voltage |
V |
400 max |
|
Working voltage |
V |
500 |
|
Plateau length |
V |
450 ÷ 650 |
|
Plateau slope |
% / V |
0,1 max |
|
Sensitivity to 60 Со |
(count/s) / (mR/h) |
145 ÷ 175 |
|
Own background (in the 50 mm Pb shield) |
count /s |
1,5 max |
| Operating temperature range | °С | -50 ÷ +60 |
|
Life expectancy |
count |
1×1010 |
|
Weight |
g |
56 |
Overall dimensions
Typical count rate as a function of dose rate 137Сs
The scheme of connection
