7189
Mica window alpha-beta-gamma detector
GENERAL SPECIFICATIONS
| MAXIMUM LENGTH (INCH/MM) |
10.86/275.8 |
| MAXIMUM DIAMETER (INCH/MM) |
2.11/53.6 |
| GAS FILLING |
Ne +Halogen |
| EFFECTIVE LENGTH (INCH/MM) |
0.5/12.7 |
| CATHODE MATERIAL (INTERNAL/EXTERNAL) |
446 Stainless Steel |
| EFFECTIVE DIAMETER (INCH/MM) |
1.75/44.45 |
| CONNECTOR |
20 ft. RG 59/u |
| OPERATING TEMPERATURE RANGE °C |
-40 to +75 |
WINDOW SPECIFICATIONS
| MATERIAL |
Mica |
| EFFECTIVE DIAMETER (INCH/MM) |
1.75/44.45 |
| AREAL DENSITY (MG/CM²) |
2.0 |
ELECTRICAL SPECIFICATIONS
| RECOMMENDED OPERATING VOLTAGE (VOLTS) |
900 |
| RECOMMENDED ANODE RESISTOR (MEG OHM) |
3.3 |
| OPERATING VOLTAGE RANGE (VOLTS) |
850-1000 |
| MAXIMUM PLATEAU SLOPE (%/100 VOLTS) |
10 |
| MINIMUM DEAD TIME (MICRO SEC) |
20 |
| GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) |
60 |
| TUBE CAPACITANCE (PF) |
10 |
| MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) |
30 |
| MAXIMUM STARTING VOLTAGE (VOLTS) |
750 |
