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Parameters and characteristics .

Type (cu 21 r) '' SI 21 G'' Russian model

-Working Voltage: 390 V

-Plateau length: 100 V

-Threshold Voltage: 340 V

-Counting speed (sensitivity) 285-385 Pulse/ µR

-Background: Not more than 1.3 pulse/sec

-Range of working temperature: -40: +50 c

-Load resistance: 9.1 Ohm

-Input capacity: 10 PF

-Total length: 260 mm

-Working active length: 210 mm

-Outer diameter: 18.1 mm

-Life time: 1*10: 1*10 pulse

-Plateau slope: not more than 0.125

-Direction of polarity: must be in two opposite directions

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