Mica Window Halogen-Quenched
α,β,γ Geiger-Mueller Tube
Electrical Characteristics
| Recommended Operating Voltage (volts) | 900 |
| Operating Voltage Range (volts) | 850 - 1000 |
| Maximum Dead Time (μs) | 150 |
| Maximum Plateau Slope (%/100 volts) | 10 |
| Minimum Anode Resistor (MΩ) | 1 |
| Recommended Anode Resistor (MΩ) | 3.3 |
| Gamma Sensitivity Cs137 (cps/mR/hr) | 40 |
| Max. Background Shielded 50mmPb+3mmAl (cpm) | 50 |
| Tube Capacitance (pF) | 5 |
Mechanical Characteristics
| Nominal Active Length (inch/mm) | 2.25 / 57.2 |
| Window Thickness (mg/cm2) | 1.8 to 2.2 , Mica |
| Active Diameter (inch/mm) | 1.13 / 28.7 |
| Cathode Material | Cr - Fe |
| Cathode Wall Thickness (inch/mm) | 0.060 / 1.52 |
| Operating Temperature Range (°C) | -20 to 50 |
| Fill Gas | Ne/Ar + Halogen |
| Type of Connector | BNC |
| Approx. Weight (grams) | 150 |
| Maximum Altitude (ft) | 8000 |
Equivalent models: N210-BNC
Global Nucleonics has the design and engineering capability to produce detectors to your specifications.