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> Russian military geiger tubes counter sbm-20 nos ps 30
Russian military geiger tubes counter sbm-20 nos ps 30
HARD BETA and GAMMA GM DETECTORS. NOS . PS 30.
HARD BETA and GAMMA GM DETECTORS
Operating Temperature Range 0C
Minimum Anode Resistor (meg ohm)
Recommended Anode Resistor (meg ohm)
Recommended Operating Voltage (volts)
Operating Voltage Range (volts)
Maximum Plateau Slope (%/100 volts)
Minimum Dead Time (at U=400V, micro sec)
Gamma Sensitivity Ra226 (cps/mR/hr)
Gamma Sensitivity Co60 (cps/mR/hr)
Inherent counter background (cps)
