49711
Large area – beta – gamma proportional counter
General Specifications
| MAXIMUM LENGTH (INCH/MM) | 
9.64/244.9 | 
| GAS FILLING | 
Argon | 
| EFFECTIVE LENGTH (INCH/MM) | 
6.54/166.1 | 
| CATHODE MATERIAL (INTERNAL/EXTERNAL) | 
Aluminum | 
| CONNECTOR | 
MHV | 
| OPERATING TEMPERATURE RANGE °C | 
0 to +50 | 
| MAXIMUM WIDTH (INCH/MM) | 
4.69/119.1 | 
| GAS PRESSURE (TORR) at 21°C | 
800 | 
| EFFECTIVE WIDTH (INCH/MM) | 
4.08/103.7 | 
| PATH LENGTH (INCH/MM) | 
0.50/12.7 | 
Window Specifications
| MATERIAL | 
Aluminum | 
| THICKNESS (INCH/MM) | 
0.00047/0.012 | 
| AREAL DENSITY (MG/CM²) | 
3.0 | 
| EFFECTIVE AREA (CM²) | 
115 | 
Electrical Specifications
| RECOMMENDED OPERATING VOLTAGE (VOLTS) | 
1250 | 
| OPERATING VOLTAGE RANGE (VOLTS) | 
1000 - 1500 | 
| GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) | 
300 | 
| MINIMUM COUNTING LIFE (COUNTS) | 
1.0E12 | 
| PLATEAU SLOPE (%/100 VOLTS) | 
2 | 
| BACKGROUND (SHIELDED 5 CM PB) CPM | 
100 | 
