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 |
340÷400 |
Operating voltage (recommended) |
V |
400 |
Operating voltage range |
V |
450÷650 |
Plateau length |
V |
200 min |
Plateau slope |
%·V-1 |
0,1 max |
Sensitivity to 137Cs with dose rate 0,03 µR·s-1 |
µR-1 |
518÷634 |
Own background in the 50 mm Pb shield |
cps |
1,5 max |
Operating temperature range |
°С |
-50÷+60 |
Life expectancy |
count |
1×1010 |
Weight |
g |
56 max |
Overall dimensions
Typical count rate as a function of dose rate 137Сs
The scheme of connection
