Soviet Counter SI1R SI-1R CI1R СИ1Р Russian X-ray Counter Tube Geiger

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Soviet Counter SI1R SI-1R CI1R СИ1Р Russian X-ray Counter Tube Geiger:
$30.00

Soviet Counter SI1R SI-1R CI1R СИ1Р Russian X-ray Counter Tube Geiger Soviet Counter SI1R SI-1R CI1R СИ1Р Russian X-ray Counter Tube Geiger

Very rare! in very good condition. Never used.
Careful storage in the warehouse for many years

In original package

Made in USSR in 1980.

SI1R - Counter end with a beryllium window for the registration of soft X-rays

Basic specification:

Working voltage 850-950 V
Plateau Length 100 V
Plateau Inclination 0.2%/V
Own background < 50 pulses/min
Working temperature - -40...+50 OC
Load resistance - 20 MegaOhm
Maximum allowable capacity of input circuites - 10 pF
Diameter - 30 mm
Length - 85 mm

Private listing

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