Gamma-21U

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Geiger-Muller counter of gamma-radiation

Well-known analogues: gamma-radiation counter 78016.

counter Gamma-21U, analogues: 78016


Main characteristics

Starting voltage

V

400 max

Working voltage

V

500

Plateau length

V

450 ÷ 650

Plateau slope

% / V

0,1 max

Sensitivity to 60 Со

(count/s)/ (mR·/h)

76 ÷ 104

Own background (in the 50 mm Pb shield)

count /s

1,2 max

Operating temperature range °С -50 ÷ +60

Life expectancy

count

1×1010

Weight

g

38

Overall dimensions

gamma-radiation counter

Typical count rate as a function of dose rate 137Сs

gamma-radiation counter

The scheme of connection

gamma-radiation counter

on top

Дополнительная информация