Gamma-15U
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Geiger-Muller counter of gamma-radiation

- Main characteristics
 - Overall dimensions
 - Typical count rate as a function of dose rate
 - The scheme of connection
 
Main characteristics
Starting voltage  | 
    V  | 
    260÷320  | 
  
Operating voltage (recommended)  | 
    V  | 
    400  | 
  
Operating voltage range  | 
    V  | 
    350÷475  | 
  
Plateau length  | 
    V  | 
    100 min  | 
  
Plateau slope  | 
    %·V-1  | 
    0,15 max  | 
  
Sensitivity to 137Cs with dose rate 10 µR·s-1  | 
    µR-1  | 
    3,8÷5,2  | 
  
Own background in the 50 mm Pb shield  | 
    cps  | 
    0,1 max  | 
  
Operating temperature range  | 
    °С  | 
    -50÷+70  | 
  
Life expectancy  | 
    count  | 
    1×1010  | 
  
Weight  | 
    g  | 
    0,4 max  | 
  
Overall dimensions

Typical count rate as a function of dose rate 137Со

The scheme of connection
