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GN1402 Specifications

Energy Compensated Geiger-Mueller Tube.
Halogen Quenched, α,β,γ Radiation Tube.

Electrical Characteristics

Recommended Operating Voltage (volts)500
Operating Voltage Range (volts)400 - 600
Maximum Dead Time (μs)110
Maximum Plateau Slope (%/100 volts)4
Minimum Anode Resistor (MΩ)10
Recommended Anode Resistor (MΩ)10
Gamma Sensitivity Cs137 (cps/mR/hr)20
Max. Background Shielded 50mmPb+3mmAl (cpm)10
Tube Capacitance (pF)3

Mechanical Characteristics

Nominal Active Length (inch/mm)1.50 / 38.1
Window Thickness (mg/cm2)1.4 - 2.2
Active Diameter (inch/mm)0.570 - 14.48
Cathode MaterialCr - Fe
Cathode Wall Thickness (inch/mm)0.012 / 0.30
Operating Temperature Range (°C)-40 to 75
Fill GasNe/Ar + Halogen
Type of ConnectorAnode Pin
Approx. Weight (grams)48
Maximum Altitude (ft)TBD

Equivalent models: ZP1402 , 7129 , N205S

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

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