73128
Multi-Window Alpha/Beta/Gamma Detector
GENERAL SPECIFICATIONS
| GAS FILLING | Ne + Halogen Admixture | 
| CATHODE MATERIAL (INTERNAL/EXTERNAL) | 446 Stainless Steel | 
| MAXIMUM LENGTH (INCH/MM) | 10.50/266.7 | 
| EFFECTIVE LENGTH (INCH/MM) | 7.0/177.8 | 
| MAXIMUM DIAMETER (INCH/MM) | 2.38/60.3 | 
| CONNECTOR | BNC | 
| OPERATING TEMPERATURE RANGE °C | -40 to +75 | 
WINDOW SPECIFICATIONS
| AREAL DENSITY (MG/CM²) | 1.5-2.0 | 
| EFFECTIVE DIAMETER (INCH/MM) | 1.75/44.5 | 
| MATERIAL | Mica | 
| QUANTITY (90° APART) | 4 | 
ELECTRICAL SPECIFICATIONS
| RECOMMENDED ANODE RESISTOR (MEG OHM) | 3.3 | 
| MAXIMUM STARTING VOLTAGE (VOLTS) | 750 | 
| RECOMMENDED OPERATING VOLTAGE (VOLTS) | 900 | 
| OPERATING VOLTAGE RANGE (VOLTS) | 850-1000 | 
| MAXIMUM PLATEAU SLOPE (%/100 VOLTS) | 10 | 
| MINIMUM DEAD TIME (MICRO SEC) | 30 | 
| pa_gamma-sensitivity-co60 |  | 
| WEIGHT (GRAMS) | 600 | 
| MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) | 120 | 
| CAPACITANCE (PF) | 4 | 

 
