Description
The SI-22G self-extinguishing Geiger-Muller counter is designed to register gamma radiation, it belongs to the section of vacuum devices and lamps for various purposes. By design, it consists of a vacuum-tight, rigid shell, inside which there is no oxygen.
SI22G is equivalent to SBM-20, STS-5, SBM-20-1
Technical specifications:
- Operating voltage: from 380V to 480V
- The length of the plateau of the counting characteristic: is at least 100V
- Count start voltage: from 285V to 335V
- The slope of the plateau of the counting characteristic: is 0.125%/V
- Dosimetric characteristics of products counters SI-22G:
– counting rate (N) – 3700 imp/min; 540 imp/µR;
– maximum counting rate (Nmax) – 3000 imp/min;
– level of natural background (Nf) – 75 imp/min;
– maximum dose rate (Pmax), short-term – 7 R/h. - The body is metal
- Cathode – stainless steel
- Design SI22G – double-ended
- Load resistance: from 9 MOhm to 13 MOhm
- The largest parasitic capacitance allowed in the input circuit: 10pF
- Transient input capacitance: from 7pF to 15pF
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