4001
Mica end window alpha- beta – gamma proportional counter
General Specifications
| MAXIMUM LENGTH (INCH/MM) | 
1.42/36.07 | 
| MAXIMUM DIAMETER (INCH/MM) | 
0.34/8.64 | 
| GAS FILLING | 
Argon | 
| EFFECTIVE LENGTH (INCH/MM) | 
0.25/6.35 | 
| CATHODE MATERIAL (INTERNAL/EXTERNAL) | 
Stainless Steel | 
| EFFECTIVE DIAMETER (INCH/MM) | 
0.25/6.35 | 
| CONNECTOR | 
Grid Cap | 
| OPERATING TEMPERATURE RANGE °C | 
-40 to +75 | 
| GAS PRESSURE (TORR) at 21°C | 
740 | 
| PATH LENGTH (INCH/MM) | 
0.25/6.35 | 
Window Specifications
| MATERIAL | 
Mica | 
| AREAL DENSITY (MG/CM²) | 
2.0 | 
| DIAMETER (INCH/MM) | 
0.25/6.35 | 
Electrical Specifications
| RECOMMENDED OPERATING VOLTAGE (VOLTS) | 
1400 | 
| OPERATING VOLTAGE RANGE (VOLTS) | 
1300-1550 | 
| CAPACITANCE (PF) | 
2 | 
| TYPICAL RESOLUTION (FWHM FE55) | 
25 | 
