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GN310/3P Specifications

Geiger-Mueller Tube
Halogen Quenched, γ Radiation Tube.

Electrical Characteristics

Recommended Operating Voltage (volts)900
Operating Voltage Range (volts)850 - 1050
Maximum Dead Time (μs)100
Maximum Plateau Slope (%/100 volts)8
Minimum Anode Resistor (MΩ)1.0
Recommended Anode Resistor (MΩ)3.3
Gamma Sensitivity Cs137 (cps/mR/hr)75
Max. Background Shielded 50mmPb+3mmAl (cpm)50
Tube Capacitance (pF)8

Mechanical Characteristics

Nominal Active Length (inch/mm)5.83 / 148.0
Window Thickness (mg/cm2)-
Active Diameter (inch/mm)0.605 / 15.4
Cathode MaterialCr - Fe
Cathode Wall Thickness (inch/mm)0.10 / 0.25
Operating Temperature Range (°C)-40 to 150
Fill GasNe + Halogen
Type of Connector3-Pin
Approx. Weight (grams)34
Maximum Altitude (ft)TBD

Equivalent models: N310/3P

Global Nucleonics has the design and engineering capability to produce detectors to your specifications.

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