Feature

●This is a single piece of Gaiger Mylar Counting Tube made in the USSR SBM-20 (CTC-5, STS-5)
●Tubes are 110mm long and 9mm in diameter.
●Ideal for research, experiment, and creating a Giger sensor.


Description

Military SBM-20 (CTC-5, STS-5) Hard Beta and Gamma GM Detector
Made in USSR
Working Voltage 360 - 440V
Initial Voltage 80 - 330V
Plateau Length 80V
Plateau Slope 0.125% / 1V
Inherent counter background (cps) 0.45 Pulses/s
Pulse Sensitivity 24 Pulses/s
Interelectrode Capacitance 7pF
Load Resistance 5 - 10 MOhms
Working Temperature Range -40 +50°C
Length: 4.3 inches (110 mm).
Diameter 9mm