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СИ-3Б Параметры и характеристики . |
Si-3b GM counter with mica window for registration of beta-radiation. Working power begins from 1650 Volt Plateau length: at least 150 Volt Plateau slope: not more than 0.03% Self noise: not more than 25 pulses/min Density of window mica: 3 mg/cm2 Length of counter: no more than 90 mm Diameter of counter: no more than 38 mm Working life: 50 million pulses Load Resistance to anode: 7...10 MOhm Allowable stray input capacitance: not more than 10 pF Working ambient temperature: -25 ... +40 OC Allowable radiation: not more than 10000 pulses/min | |
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