425
Quadrilateral side window proportional counter
General Specifications
| MAXIMUM LENGTH (INCH/MM) | 
7.4/187.96 | 
| GAS FILLING | 
Argon | 
| EFFECTIVE LENGTH (INCH/MM) | 
4.75/120.65 | 
| CATHODE MATERIAL (INTERNAL/EXTERNAL) | 
Aluminum | 
| CONNECTOR | 
MHV | 
| OPERATING TEMPERATURE RANGE °C | 
-40 to +75 | 
| MAXIMUM WIDTH (INCH/MM) | 
2.0/50.8 | 
| GAS PRESSURE (TORR) at 21°C | 
800 | 
| EFFECTIVE WIDTH (INCH/MM) | 
1.75/44.45 | 
| PATH LENGTH (INCH/MM) | 
1.75/44.45 | 
Window Specifications
| MATERIAL | 
Beryllium | 
| THICKNESS (INCH/MM) | 
0.002/0.05 | 
| AREAL DENSITY (MG/CM²) | 
9.2 | 
| DIAMETER (INCH/MM) | 
1.0/25.4 | 
Electrical Specifications
| RECOMMENDED OPERATING VOLTAGE (VOLTS) | 
1800 | 
| OPERATING VOLTAGE RANGE (VOLTS) | 
1700 - 1950 | 
| CAPACITANCE (PF) | 
3 | 
| TYPICAL RESOLUTION (FWHM FE55) | 
20 | 
