СИ-3Б Счетчик Гейгера для регистрации бета излучения
SI-3B β Radiation Counter Tube
Compteur Geiger-Müller sensible au rayonnement Bêta
Beta-Zählrohr

Manufactured by MELZ (Moscow electro-lamp plant).

Mica window
Working voltage: 1650 V
Plateau length: at least 150 V
Plateau slope: not more than 0.03 %
Self noise: not more than 25 pulses/min
Window thickness: 3 mg/cm²
Working life: 50 million pulses
Load resistance to anode: 7...10 MΩ
Allowable stray input capacitance: not more than 10 pF
Working ambient temperature: -25 ... +40°C
Allowable radiation: not more than 10000 pulses/min

Fiche technique • Data sheet • Datenblatt: SI-3Ba.pdf & SI-3Bb.pdf & Russian_Detectors_and_Counters_1.pdf

 

Hauteur • Height • Höhe : 83 mm • 3" 1/4
Diamètre • Diameter • Durchmesser : 22 mm • 7/8"

 

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