GN210-BNC Specifications

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 MaterialCr - Fe
Cathode Wall Thickness (inch/mm)0.060 / 1.52
Operating Temperature Range (°C)-20 to 50
Fill GasNe/Ar + Halogen
Type of ConnectorBNC
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.