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Parameters and characteristics .
STS-6, SBM-19 - hard beta + gamma GM tube
Range of registering of gamma radiation = 10-3...10 mk Roentgen per second
Working range= 350...475 V
Advised working voltage = 400 V
Voltage of start of counting = 260-320 V
Plateau length = at least 100 V
Plateau slope = 0.1 % / 1 V
Amplitude of pulses = at least 50 V
Self noice: no more than 2 cps
Sensitivity at 1 mkR/s: 420...460 CPS
Dead time at U=400V: 250 R/mks
Working temperature: -60 ... +70 OC
Life time: 2*1010 pulses
Diameter: 18.8 mm
Length: 195 mm
Weight: 25 g
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