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Sensors

Geiger Muller Tube Specifications

specifications



Electrical Characteristics
Maximum Starting Volatage (volts)
325 
Recommended Operating Voltage (volts)
500
Operating Voltage (volts)
450 - 650
Minimum Dead Time (u sec)
90
Maximum Plateau Slope (% / 100 volts)
6
Recommended Anode Resistor (M ohms)
10
Gamma Sensitivity Cs137 (cps / mR / hr)
18
Max. Background Shielded 50 mmpB = 3 mmAI (cpm)
10
Tube Capacitance (pF)
3
Weight (grams)
8.0


Mechanical Characteristics
Active Length (inch / mm)
1.53 / 39.0 
Active Diameter (inch / mm)
0.354 / 9.0
Cathode Material
446 Stainless Steel
Cathode Wall Thickness (inch / mm)
0.010 / 0.25
Mica Window Areal Density (mg / cm2)
1.5-2.0
Effective Window Diameter (inch / mm)
0.354 / 9.0
Fill Gas
Ne / Ar + Halogen
Operating Temperature Range (ºC)
-40 to +75
Type of Connector
Pin


Energy Response relative to Cs-137


Count rate vs. Dose rate (CS-137)

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